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7/25/2019 n tt nghip cng
1/252
Thit kbn 50.000DWTCng GEMADEPT Ci Mp
Svth: Ng Vn Lng; Mssv: 491755; Lp 55CG2 1
MC LC
LI NI U ...................................................................................................................... 4
Chng 1: GII THIU CHUNG ..................................................................................... 5
1.1. Vtr a l .................................................................................................................. 5
1.2. Cc iu kin kinh tx hi ca vng hp dn .......................................................... 6
1.3. nh hng pht trin kinh tx hi khu vc cng ................................................. 13
1.4. Hin trng v nh hng pht trin hthng c shtng khu vc ..................... 14
1.5. Nhim vthit kn tt nghip .......................................................................... 16
Chng 2: IU KIN TNHIN KHU VC XY DNG ..................................... 17
2.1. a hnh khu vc xy dng ....................................................................................... 17
2.2. c im a cht cng trnh ................................................................................... 17
2.3. c im kh tng .................................................................................................. 19
2.4. c im thy hi vn .............................................................................................. 23
2.5. Lung tu vo cng .................................................................................................. 24
Chng 3: THIT KQUY HOCH ............................................................................. 26
3.1. Dbo lng hng v c trng hng ho qua cng ............................................. 26
3.2. i tu ra vo cng .................................................................................................. 26
3.3. Thng skthut ca bn ........................................................................................ 27
3.4. Phng n cng nghbc xp hng ho ................................................................. 34
3.5. Tnh ton slng bn v slng thit b ............................................................. 41
3.6. Xc nh din tch kho bi ca cng ........................................................................ 523.7. Bin chcng ........................................................................................................... 55
3.8. Cc cng trnh kthut htng ca cng ................................................................ 58
3.9. Phng n quy hoch mt bng cng ...................................................................... 64
3.10. xut cc gii php kt cu cng trnh bn ........................................................ 66
Chng 4: THIT KKTHUT CNG TRNH BN ............................................ 68
4.1. Thng skthut ca tu tnh ton ......................................................................... 68
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Thit kbn 50.000DWTCng GEMADEPT Ci Mp
Svth: Ng Vn Lng; Mssv: 491755; Lp 55CG2 2
4.2. Thng sbn tnh ton ............................................................................................. 68
4.3. Ti trng do tu tc dng ln cng trnh .................................................................. 69
4.4. Tnh ton kt cu bn phng n 1: Cc ng thp D711,2 ...................................... 74
4.5. Tnh ton kt cu bn phng n 2: Cc BTCT ST D800................................... 110
4.6. Phn tch la chn phng n kt cu ................................................................... 138
Chng 5: THIT KTHI CNG XY DNG CNG TRNH BN CNG ........ 140
5.1. Tnh khi lng xy lp cc hng mc cng trnh ................................................. 140
5.2. Thit kkthut thi cng cc hng mc cng trnh ............................................... 149
5.3. Tchc thi cng bn cu tu.................................................................................. 160
5.5. Tnh ton din tch cng trng ............................................................................. 165
Chng 6: TNG MC U T XY DNG CNG TRNH ............................... 169
6.1. Cn clp tng mc u t.............................................................................. 169
6.2. Dton xy lp hng mc bn cu tu .................................................................. 169
6.3. Quy m v tng mc u t dn ......................................................................... 173
Chng 7: KT LUN V KIN NGH ...................................................................... 174
7.1. Kt lun .................................................................................................................. 174
7.2. Kin ngh ................................................................................................................ 174
Phn chuyn : ............................................................................................................... 175
CHUYN NGHIN CU KHOA HC ................................................................. 175
1. t vn nghin cu ............................................................................................... 175
2. Gii cu tu csau theo phng php hsnn ..................................................... 177
3. Gii cu tu csau theo phng php truyn thng ................................................ 188
4. So snh v nh gi kt qu ...................................................................................... 194
5. Kt lun v kin ngh ................................................................................................. 197
TI LIU THAO KHO................................................................................................ 199
PHLC 1: TNH TON KT CU PHNG N 1.............................................. 201
A. Ni lc cu chnh .................................................................................................. 201
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Thit kbn 50.000DWTCng GEMADEPT Ci Mp
Svth: Ng Vn Lng; Mssv: 491755; Lp 55CG2 3
B. Ni lc cu dn ..................................................................................................... 207
C. Tnh ton n nh .................................................................................................. 213
PHLC 2: TNH TON KT CU PHNG N 2.............................................. 216
A. Ni lc cu chnh .................................................................................................. 216
B. Ni lc cu dn ..................................................................................................... 222
C. Tnh ton n nh .................................................................................................. 226
PHLC 3: TNH TON CHUYN NCKH........................................................ 227
A. Tnh ton kt cu cu tu csau theo phng php hsnn ............................ 227
B. Tnh ton kt cu cu tu csau theo phng php truyn thng ....................... 242
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Thit kbn 50.000DWTCng GEMADEPT Ci Mp
Svth: Ng Vn Lng; Mssv: 491755; Lp 55CG2 4
LI NI U
Vit Nam l quc gia ven bin c ng b bin di khong 3254 km, vi
ng bbin di, c hthng sng ngi dy c phn btBc ti Nam nn h
thng giao thng thy ni chung v hthng cng bin cng sng ni ring tngi pht trin. Hai ng bng sng Hng v ng bng sng Cu Long l ni tp
trung kh nhiu cng sng, cng bin. V vy, ngnh giao thng vn ti thy nc ta
ang c ch trng pht trin gip t nc hi nhp ngy cng su rng vi nn
kinh tthgii.
Nhng nm gn y, lng hng hng ha thng qua cm cng Si GnTh
Vi Ci Mp ngy cng ln v cm cng c lung tu m bo c thtip nhn
c tu 80.000 DWT y ti v tu 100.000 DWT gim ti. c bit, cc hthng
cng trn sng ThVi Ci Mp c lung tu su v rng rt thun li cho vic tip
nhn hng ha ca cc tu ln, ca sng ThVi Ci Mp l Vnh Gnh Ri rt
thun tin giao thng thy cho cc tu ln.
Trong n ny, em c giao nhim vThit kbn 50.000 DWT Cng
GEMADEPT Ci Mp. Ni dung n bao gm:
Phn tch chnh l sliu
Thit kquy hoch cng Thit kkthut cng trnh bn
Thit kkthut thi cng bn
Dton xy dng cng trnh
Chuyn nghin cu khoa hc
n c hon thnh di shng dn ca thy gio TS. Bi Vit ng,
Ths. Nguyn Sinh Trung, cc thy c gio trong bmn Cngng thy v cc
bn. Em xin gi li cm n chn thnh v li chc tt p n cc thy c gio v
cc bn gip em trong qu trnh thc hin n tt nghip ny.
Sinh vin thc hin
Ng Vn Lng
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Svth: Ng Vn Lng; Mssv: 491755; Lp 55CG2 5
Chng 1: GII THIU CHUNG
1.1. Vtr a l
Khu cng GEMADEPT Ci
Mp ca cng ty GEMADEPT nmpha h lu khu cng container Si
Gn Ci Mp ca cng Si Gn,
nmpha thng lu ca vm Treo
Gi, thuc x Phc Ha, huyn
Tn Thnh, tnh B Ra Vng
Tu.
a im khu t: ti xPhc Ha, huyn Tn Thnh, tnh
B Ra Vng Tu. Khu t d
kin xy dng cng GEMADEPT Ci Mp c vtr tng i nh sau:
Pha Bc gip cng container Si GnCi Mp.
Pha Nam gip vm Treo Gi.
Pha ng Gip khu cng nghip Ci Mp.
Pha Ty gip sng ThVi.Ta khu t cn cvo vn bn s5326/UB-VP ngy 30/9/2004 vvic
tha thun a im xy dng cng GEMADEPT Ci Mp ca tnh B RaVng
Tu.
Bng 1-1: Bng ta khu t xy dng cng (hcao VN2000)
imTa (VN2000)
X (m) Y (m)
A 1160493.093 418744.949
B 1160513.091 418098.482
C 1161458.901 417881.304
D 1161598.134 418339.165
E 1161092.771 418763.501
Tng din tch khu t d kin khong 72ha, d kin xy dng 03 bn tu
50.000-80.000 DWT.
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Svth: Ng Vn Lng; Mssv: 491755; Lp 55CG2 6
Vtr ny c nhiu iu kin tnhin thun li pht trin cng nghip nh
xy dng cng:
Sng ThVi c nh gi c iu kin tnhin tt nht hin tay xy
dng cng cho tu c trng ti ln n lm hng vi cc iu kin thinnhin thun li nh sau:
+ Lng sng tnhin su, rng cho tu c trng ti 80.000DWT vo ti
Ci Mp v tu ti 60.000 vo ti Ph M.
+ Lung tu tbin vo cng t sng gi, sng m, iu kin kh tng
thy vn khu vc cho php tu c thhi hnh gn nh sut nm.
+ a hnh lng sng n nh, mc bi lng khng ng k, kinh ph
duy tu no vt t.
Trc QL51 chy song song cch sng ThVi khong 3km rt thun tincho vic tp kt sn phm n cng v phn phi nguyn liu n cc khu
cng nghip.
Cc v tr xy dng cng nm ngay trong khu vc c quy hoch pht
trin cng nghip do sgim c kinh ph u t vo cc cng trnh h
tng nh: kinh ph xy dng ng ni tQL51 vo cng, h thng cp
in, mng li thng tin v hthng phng chy cha chy khu vc.
Pha ngoi khu dn c mng, tha thi vi t vn cy n tri dc trc
QL51, vo gn sng ThVi t ai cn hoang vu, t dn do vic pht
trin xy dng, b ti khu vc ny skhng nh hng nhiu n sinh
hot dn c.
Tuy nhin bn cnh nhng thun li trn, vic xy dng cng ti y cng cn
nhiu kh khn nh:
Theo tnh trng a hnh v a cht chung ton khu vc, khi u t xy dng
cng cn u t nhiu trong vic san lp, tn to, gia cnn mng cng trnh.
Do c shtng cc khu cng nghip cha xy dng hon chnh, do vic
xy dng ban u c th s gp kh khn trong cc cng tc vn chuyn,
cung cp in nc, nguyn vt liu n cng trnh xy dng.
1.2. Cc iu kin kinh tx hi ca vng hp dn
1.2.1. Tng qut vvng hp dn
ThViVng Tu l khu vc hi tcc yu tthin thi a li nhn ha
cho pht trin cng nh iu kin tnhin, iu kin kinh tx hi, iu kin umi giao thng vn ti ng b, ng st, ng thy Sng ThViCi Mp
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Svth: Ng Vn Lng; Mssv: 491755; Lp 55CG2 7
chy hng Bc Nam gn song song vi ng QL51. Chiu di tuyn sng
khong 40km, su trung bnh t15-20m, ch su nht ti 60m, b rng trung
bnh 500-600m, c chrng ti 1000m. y l mt con sng chu nh hng ca
thy triu vi chbn nht triu khng u, bin dao ng mc nc ln nht
c tht ti hn 4m. Theo cc ti liu nghin cu hin ti, do sng ThVi l con
sng chu nh hng ca thy triu, khng c lu vc cho nn lng sa bi l
khng ng k. Vng t dc tuyn sng rng, hin c t cc cng trnh hin hu,
chy dc theo quc l51 ni lin thnh phHCh MinhBin HaVng Tu
nn rt thun tin cho vic pht trin cng v cc hng mc htng c s.
Vng hp dn ca cng c xc nh trc tip l tnh B RaVng Tu v
rng hn na l ton bVng kinh t trng im pha Nam. Vng kinh t trng
im pha Nam c tng din tch l 28,043km2v tng dn s12,3 triu ngi lnlt chchim 8,5% v 15,4% so vi cnc (s liu thng k 2002). Tuy nhin
vng ny ng gp rt ln vo nn kinh tquc dn: 40,6% vGDP, v58% gi
trgia tng cng nghip, trn 50% thua ngn sch, 69,6% gi trxut khu ca c
nc.
Trong nhng nm qua, vng kinh ttrng im pha Nam l vng tng trng
nhanh nht ca Vit Nam v l vng m ng cho cng cuc pht trin cng
nghip v thng mi. Trong nhng nm ti vng ny va phi y mnh pht trinv tng cng lin kt, thc y spht trin kinh t- x hi, chuyn dch c cu
kinh k, a vng Nam Btrthnh u tu pht trin v lm i trng vi cc
nc trong khu vc ng Nam .
1.2.1. Cc tnh, thnh phtrong vng hp dn trc tip ti cng
a. Tnh B RaVng Tu
Tnh B RaVng Tu c
coi l mt ht nhn to vng quantrng ca vng kinh t trng im
pha Nam.
Tnh B Ra Vng Tu c
din tch tnhin 1979km2, dn s
884 900 ngi. Pha Nam ca tnh
gip bin ng, pha Bc gip tnh
ng Nai, pha Ty gip thnh phHCh Minh, pha ng gip tnh
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Svth: Ng Vn Lng; Mssv: 491755; Lp 55CG2 8
Bnh Thun.
a hnh tnh tng i bng phng, trong ni ln mt sni B Ra v
Vng Tu. Kh hu ni chung tng i n nh nh tc dng iu ha ca bin
ng. Nhit trung bnh trong nm khong t26-28
o
C.B RaVng Tu c hthng c shtng kh tt nh mng li ng
t rng khp nh QL51 ni lin QL1 ti Bin Ha v QL55; mng li in nh
nh my in B Ra, nh my in Ph Mv c hng lot cc khu cng nghip
nh khu cng nghip (KCN) MXun, KCN Ph M
b. Thnh phHCh Minh
Thnh phHCh Minh l mt trung
tm kinh t x hi ln nht ca Vit Namv l nhn tchnh hnh thnh vng kinh t
trng im pha Nam.
Tp. HCh Minh c din tch tnhin
2095km2, dn shn 5,5 triu ngi. Pha
Nam ca tnh gip bin ng, pha Bc
gip tnh Bnh Dng, pha ng gip tnh
ng Nai v tnh B Ra - Vng Tu v
pha Ty gip tnh Long An v Tin Giang.
a hnh bng phng, nm ranh gii
gia vng t cao ng Nam Bv vng
t thp ca ng bng sng Cu Long. c im chung ca kh hu thnh phl
nng, m, chu nh hng ca gi ma. Quanh nm nhit t thay i, trung bnh
khong 27oC.
L mt thnh phln, hthng ng t tthnh phlan ta theo dng tia
ti cc tnh ng Nam Bv Nam Bvi cc trc chnh l QL1, QL22 v QL13.
Trn a bn thnh phc hng trm sng ngi knh rch, trong hai con sng ln
nht l sng Si Gn v Sng ng Nai.
Hin nay trn a bn thnh phc 7 khu chxut, khu cng nghip i vo
hot ng, trong pht trin mnh nht l hai khu vc ch xut Tn Thun v
Linh Trung. Cng nghip l ngnh kinh tmi nhn ca thnh ph, trong cng
nghip chbin chim mt ttrng ln.
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Svth: Ng Vn Lng; Mssv: 491755; Lp 55CG2 9
Trong chin lc pht trin kinh t trong giai on ti, thnh ph H Ch
Minh tip tc y nhanh tc tng trng kinh t, phn u gi nhp tng
trng kinh thng nm trn 12% v GDP bnh qun u ngi t 2178USD vo
nm 2008.
c. Tnh ng Nai
Cng vi thnh phHCh Minh v
tnh B RaVng Tu, ng Nai l mt
trong nhng nhn t to vng quan trng
ca vng kinh ttrng im pha Nam.
ng Nai l ca ng pha ng ca
Tp. H Ch Minh, c din tch t nhin5895 km2, dn shn 2 triu ngi. Pha
Nam ca tnh gip tnh B Ra Vng
Tu, pha Bc gip tnh Bnh Phc v
Lm ng, pha ng gip tnh Bnh
Thun v pha Ty gip tnh Bnh Dng
v Tp. HCh Minh.
a hnh tnh nghing vpha ng BcTy Nam, c nhiu ni thp nhp
nh, tp trung nhiu pha Bc v ng Bc ca tnh. Pha Ty Nam v Nam a
hnh tng i bng phng. c im chung ca kh hu tnh ng Nai ni chung
ging vi Tp. HCh Minh l nng, m, chu nh hng ca gi ma. Quanh nm
nhit t thay i, trung bnh khong 27oC.
Tnh c h thng ng t pht trin nh QL1, QL20, QL51, QL56. Trn
a bn tnh c hai con sng ln chy qua l sng ng Nai v sng ThVi. Trn
hai con sng ny, c nhiu hthng cng pht trin chy di.
Tuyn ng st Thng Nht chy qua a phn tnh ng Nai vi chiu dihn 1000km. Hin nay tnh ng Nai ang y mnh cng cuc cng nghip ha,
xy dng nhiu nh my quanh thnh phBin Ha, dc cc quc l, hnh thnh
cc khu cng nghip ln nh KCN Bin Ha 1, Bin Ha 2 Cc khu cng nghip
hin ang gp phn tch cc thc y kinh t ton tnh ng Nai pht trin mt
cch mnh m.
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Svth: Ng Vn Lng; Mssv: 491755; Lp 55CG2 10
d. Tnh Bnh Dng
Bnh Dng c bao bc bi
hai con sng ln: sng Si Gn
pha Ty v sng ng Nai phang, c din tch t nhin
2696km2, dn s khong 851100
ngi. Pha Nam ca tnh gip Tp.
H Ch Minh, pha Bc gip tnh
Bnh Phc, pha ng gip tnh
ng Nai v pha Ty gip tnh Ty
Ninh.
a hnh tnh tng i bng
phng nhiu sng sui v h nh.
c im chung ca kh hu tnh
ni chung ging vi Tp. H Ch
Minh v tnh ng Nai, l nng, m, chu nh hng ca gi ma. Quanh nm nhit
t thay i, trung bnh khong 27oC.
Quc l13 chy gia tnh theo chiu Bc Nam l trc giao thng chnh ca
tnh Bnh Dng,c ni vi quc l1 ti Thc Tp. HCh Minh. NgoiQL13, mt hthng ng t phn btheo hnh nan qut tThu Mt ti tt
ccc vng trong tnh to thnh mng li giao thng kh thun li. Tuyn ng
st Thng Nht chy qua a phn huyn D An pha Nam ca tnh Bnh Dng.
Trong nhng nm gn y, cng vi tng trng kinh tmnh m, Bnh
Dng c nhiu thay i quan trng. Hng lot cc khu cng nghip dc xy
dng v i vo hot ng theo s pht trin nhanh chng ca cc ngnh kinh t
khc, nht l thng mi v dch v. Hin nay trn a bn c 12 KCN ang hotng l: KCN Sng Thn 1, KCN Sng Thn 2 v 13 KCN c bsung v quy
hoch nh: Tn Hip 1, Tn Hip 2
Trong nhng nm ti, Bnh Dng ang ch trng chuyn dch c cu kinh t,
xy dng mt nn kinh t a dng vi nhp tng trng thuc loi cao trong
vng ng Nam B.
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Thit kbn 50.000DWTCng GEMADEPT Ci Mp
Svth: Ng Vn Lng; Mssv: 491755; Lp 55CG2 11
1.2.2. Cc KCN trong vng hp dn trc tip ti cng
a. Cc KCN dc quc l51
Khu cng nghip Bin Ha 1
Khu cng nghip Bin Ha 2 Khu cng nghip Amata
Khu cng nghip Loteco
Khu cng nghip Tam Phc
Khu cng nghip An Phc
Khu cng nghip Nhn Trch
Khu cng nghip G Du
b. Cc KCN trn a bn tnh B RaVng Tu
Thnh phmi v khu cng nghip Ph M
Khu vc ny dkin pht trin mt th trung tm cng nghip, cng ca
tnh B RaVng Tu v vng kinh ttrng dim pha Nam, bao gm cc KCN
nng, cng nghip nng lng, ha cht, phn bn, cng nghip cng v khu
thphc v650 000 dn c vo cc nm 2015-2020 v mt triu dn vo cc thp
ksau.
KCN cng gm di t nm gia QL51 v sng ThVi, din tch ton khu
vc d kin xy dng khong 1300ha, ko di hn 10km, c Nh nc quyt
nh dnh xy dng cng trnh cng pha b sng Th Vi, phn t cn li ph
ng khu vc cng dnh btr xy dng cc khu dch v, cng nghip, kho tng,
ng s, hin c nh my in
kh, cn thp
Khu cng nghip gm 4 khu
chnh vi kh nng pht trin nhsau:
Khu cng nghip Ph M:
KCN Ph M ko di t Rch
Mng n cng Ci Mp, din tch
xy dng khong 1300ha, trong o
cy xanh, knh rch, h c chim
300ha, quy hoch ng trc dc nivi KCN MXun v ga ng st, trc ngang ni cng, KCN v khu dn c. Ti
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Thit kbn 50.000DWTCng GEMADEPT Ci Mp
Svth: Ng Vn Lng; Mssv: 491755; Lp 55CG2 12
y dkin spht trin cng nghip nng, cng nghip in lc, kh t, ha cht,
phn bn, cc loi hnh cng nghip cn cng v cn din tch ln. Hin c 33
Cng ty lp dn xin u t xy dng trn din tch 760ha, trong c mt s
c trin khai xy dng v a vo khai thc nh nh my in Ph M
Khu cng nghip MXun A:KCN MXun A pha Nam KCN G Du, din
tch khong 1000ha, trong t cng nghip chim khong 700ha, ch yu xy
dng cng trnh vt liu xy dng hin c dn 100ha xy dng cng nghip vt
liu xy dng ca B Xy Dng, nh my sn xut gch ceramic c din tch
10ha
Khu cng nghip MXun B:KCN MXun B pha ng QL51 hin hu,
tng din tch khong 1900ha, trc mt pht trin 900ha. y l khu t cao, t
nn c kh nng chu lc tt, thch
hp pht trin cng nghip nng, cc
loi hnh cng nghip cn mt bng
rng.
Khu cng nghip Ci Mp:tnh
tst tuyn ng sau cc cm cng,
ko di vpha Nam vi 2 trc ngang
ni vo khu th, din tch c thxy dng cng nghip chim khong
650ha (k c cng v kho bi), din
tch d tr rng khong 500ha nm
vpha ng dc theo hnh lang kthut dkin. Trong dkin khai thc n
nm 2015 l 3500ha, bao gm c cng v kho bi 500ha, d tr pht trin cng
nghip 1500ha (sau nm 2015).
Khu cng nghip ng Xuyn
Khu cng nghip ng Xuyn c ThTng Chnh Phph duyt theo
Quyt nh s639/TTG ngy 9/9/1996. Vtr KCN nm ca ng thnh phVng
Tu. KCN ng Xuync tng din tch 160ha, vi tng mc u t khong 297 t
ng.
Khu cng nghip ng Xuyn bao gm cc phn khu chc nng nh sau:
+ Ngnh cng nghip dch vhng hi: 32,44ha.
+ Ngnh cng nghip sch tng hp: 29,69ha.+ Khu kho cng: 30ha.
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Thit kbn 50.000DWTCng GEMADEPT Ci Mp
Svth: Ng Vn Lng; Mssv: 491755; Lp 55CG2 13
1.3. nh hng pht trin kinh tx hi khu vc cng
Theo Quyt nh s 146/2004/Q-TTg ca Th tng Chnh ph, phng
hng pht trin kinh t- x hi chyu ca vng kinh ttrng im pha Nam n
nm 2010 v tm nhn n nm 2020: pht huy nhng tim nng li thvvtr al, iu kin tnhin, hthng kt cu htng nhm xy dng vng kinh ttrng
im pha Nam trthnh mt trong nhng vng kinh tpht trin nng ng, c tc
tng trng kinh tcao v bn vng, thc sl vng kinh tng lc cnc,
givng vai tr quyt nh ng gp vo tng trng kinh tchung ca cnc. i
u trong snghip cng nghip ha, hin i ha ca cnc v to ng lc pht
trin ca vng ng Nam B.
Mc tiu pht trin chyu:
Tc tng trng GDP bnh qun hng nm t 1,2 ln (giai on 2006-
2010) v 1,1 ln (giai on 2011-2020) so vi tc tng trng bnh qun
ca cnc. Tlng gp trong GDP cnc tng t36% hin nay ln
40-41% vo nm 2010 v 43-44% vo nm 2020.
Tng gi trxut khu bnh qun u ngi/nmt1493USD nm 2005 ln
3620USD nm 2010 v 22310USD bn 2020.
Tng sc ng gp ca vng trong thu ngn sch ca c nc t 33,9%
nm 2005 ln 38,7% nm 2010 v 40,5% nm 2020. y nhanh tc i mi cng nghphn u t bnh qun 20-25%/nm,
nng cao tllao ng qua o to n nm 2010 t trn 50%.
Hnh thnh cc trung tm dch v sn xut v x hi cht lng cao, t
trnh quc tv trong khu vc ng Nam .
Phn u gim tlhngho xung di 4% vo nm 2010, di 1% nm
2020, tllao ng khng c vic lm khong 4% n nm 2020.
n nh sdn trong vng n 2020 khong 15-16 triu ngi.Trong chin lc pht trin kinh tvng, ngnh cng nghip phi l khu trung tm
ca ton bbtr quy hoch pht trin kinh t- x hi vng kinh ttrng im pha
Nam. c tnh gi trgia tng ca ngnh cng nghip chim trn di 50% GDP
trong vng.
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Svth: Ng Vn Lng; Mssv: 491755; Lp 55CG2 14
Bng 1-2: Tnh hnh pht trin cc KCN ti VKTTPN
TnhQuy hoch tng th Thc t
(sliu nm2000)Nm 2000 Nm 2010
Tp. HCh Minh 2 KCX v 5 KCN910 ha
2 KCX v 13 KCN3440 ha
2 KCX v 9 KCN1997 ha
Bnh Dng7 KCN921 ha
10 KCN2471 ha
6 KCN803 ha
ng Nai6 KCN1520 ha
1 KCX v 12 KCN4132 ha
1 KCX v 7 KCN1981 ha
B RaVng Tu2 KCN500 ha
6 KCN1810 ha
5 KCN1809 ha
Ton VKTTPN2 KCX v 20
KCN3851 ha
3 KCX v 41
KCN 11853 ha
3 KCX v 27
KCN 6590 ha
1.4. Hin trng v nh hng pht trin hthng c shtng khu vc
1.4.1. Hin trng hthng c shtng khu vc
Hin nay B Ra Vng Tu(BR-VT) c ba loi hnh vn ti l: vn ti
ng b, vn ti ng thy v vn ti ng hng khng, cha c vn ti ng
st, theo quy hoch s xy dng tuyn ng st Bin Ha Vng Tu v tuyn
ng st vo cng Ci MpThVi trc nm 2020.
Vvn ti ng b, QL51 hin ang c mrng ln quy m 6 ln xe v
ng cao tc Bin HaVng Tu vi quy m 4-6 ln xe dkin trin khai xy
dng khi QL51 mrng xong, ng cao tc Tp. HCMLong ThnhDu Giy
c khi cng xy dng. Tuyn vnh ai 4, Trc ng Ty s1, Trc ng
Ty s2, ng ni Long Sn Ci Mp cng c i vo quy hoch phc v
cho spht trin ng bcng bin.
Cc tuyn lung v vn ti ng bin hin nay c quy hoch, nh
Lung Vng Tu - ThVi c Thtng Chnh phcho php v BGTVT
c quyt nh chun bnghin cu tng th, ton din trn ton tuyn nhm to iu
kin cho khu cng Ci Mp - ThVi c thtip nhn cc tu container thhmi
(trng ti trn 100.000DWT), thc hin nhim vtrung chuyn quc t.
Vvn ti ng thy, BR-VT c mng li sng rch chnh kh di, trong
sng Ci Mp - ThVi l con sng c tim nng khai thc vn ti ng thy, hin
cho php tu trng ti ti 157.000DWT hnh hi n cng CMIT v tu trng ti
ti 117.000DWT hnh hi n cng SP-PSA. Trn a bn tnh hin c 13 tuyn
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Thit kbn 50.000DWTCng GEMADEPT Ci Mp
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ng thy ni a vi tng chiu di khong 71,15km, m bo ni kt thun li
vi hthng cng bin v mng ng thy lin vng.
Hin ti, BR-VT c 2 sn bay ni a ang hot ng l Sn bay Vng Tu
v Sn bay Cn Sn. Theo Quy hoch pht trin GTVT hng khng VN, 2 sn bayny sphc vcho sn bay Long Thnh trong tng lai. Tuy nhin, h thng h
tng giao thng, in, nc u ni khu vc thc hin dn ti BR-VT ang cn
kh khn nn vic trin khai thi cng dn u t cng bin chm.
1.4.2. Chin lc pht trin hthng c shtng khu vc
i vi hthng cng bin tnh BR-VT, trong nhng nm va qua, BR-VT
tch cc trin khai thi cng xy dng, hon thnh v a vo khai thc hng lot
cng tng hp, container hin i. Tuy nhin, c mt trngi l hin nay BR-VTang gp kh khn vvn trong vic xy dng mi, nng cp, hon thin hthng
c shtng giao thng ng bni lin gia cc cng nc su, ni lin BR-VT
vi cc tnh, thnh khc trong vng kinh ttrng im pha Nam. V vy, pht
trin h thng cng bin v dch v logistics, cn nh gi mc p ng v
xut quy m pht trin ca htng giao thng, htng kthut i vi nhu cu pht
trin ngnh dch vlogistics giai on 2011-2020. Theo , lp quy hoch tng th
pht trin c shtng cho ngnh dch vlogistics, c bit l ch trng cc mng
li giao thng i ngoi ca khu vc v tiu vng sng M Kng, quy hoch iuchnh cc tuyn ng st u ni t trung tm kt ni vi mng li ng st
quc gia. ng thi r sot cc quy hoch khc lin quan giqut pht trin
logistics v nhm ph hp vi hin ti cng nh yu cu pht trin cng bin, dch
vlogistics BR-VT.
Bn cnh , mt trong nhng vn cn c nghin cu l to chnh sch
nhm gim chi ph logistics, nh chnh sch vu t c shtng GTVT lm nn
tng cho hot ng logistics; trong , cn xc nh u tin pht trin cc cng cn(ICD) h tr cho cng bin BR-VT, chnh sch v pht trin cc trung tm
logistics; Chnh sch vnng cao nng lc cc doanh nghip hot ng kinh doanh
logistics, pht trin dch vthu ngoi 3PL; Chnh sch vng dng CNTT trong
hot ng logistics; Cc chnh sch nhm trin khai Hi quan in t, ci cch hnh
chnh v minh bch trong cc dch vcngThc hin tt cc gii php trn sto
iu kin BR-VT sm trthnh mt thcng bin pht trin trong tng lai
khng xa.
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1.5. Nhim vthit kn tt nghip
Nhim v ca n tt nghip ca em l: Thit k bn 50.000DWT Cng
GEMADEPT Ci Mp.Do thi gian v nng lc c hn nn n ny em c
hon thnh vi cc ni dung nh sau:Bng 1-3: Ni dung v khi lng hon thnh n
Stt Ni dung n v Khi lng
1 Thu thp, chnh l v phn tch sliu % 05
2 Thit kquy hoch cng trnh % 20
3 Thit kkthut cng trnh % 40
4 Thit kthi cng cng trnh % 15
5 Dton xy dng cng trnh % 056 Chuyn NCKH % 15
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Chng 2: IU KIN TNHIN KHU VC XY DNG
2.1. a hnh khu vc xy dng
Hthng sng ThVi bao gm sng ThVi v sng Ci Mp. Sng ThVi
Ci Mp chy theo hng Bc Nam gn song song vi ng QL51. su trungbnh t15 20m, chsu nht (ng ba ThViCi Mp) t ti 60m. Brng
trung bnh 500600m, ring sng Ci Mp chrng ri 1000m.
Cn c vo ti liu kho st a hnh, a cht khu vc Ci Mp ThVi
kho st nm 2002 ca Cng ty T Vn Thit KGTVT pha Nam, vtr xy dng
l khu vc rng s, c v ch l ngp mn, t ai cn hoang vu cha xy dng,
mt bng rng, a hnh btng i bng phng xen ln sng, rch nh.
Ti vtr xy dng cng, cao trn b thay i t+0,30m n +0,70m (hcao Hi ). Lng sng su, cao y trung bnh t-15,00 n -17,00 (hcao
Hi ), ti khu vc ny brng sng khong 8001000m.
2.2. c im a cht cng trnh
Khu vc ven sng ThVi l loi t mn s vt. Tng QL51 ra pha b
sng v ngay ti vtr dkin xy dng cng trnh l vng t rng ngp mn. t
ngp mn c hm lng clorua, sulphat, cc ion Na, K v mn cao. c tnh ny
gy kh khn cho vic pht trin nng nghip v trng la. Khu vc ny chc ccloi cy ngp mn.
Cn ctheo Bo co kho st a cht cng trnh ti vtr xy dng cng do
Cng ty T Vn Thit KGTVT pha Nam thc hin thng 10/2014, c im a
tng khu vc c thtm lc nh sau:
Lp 1a:BN ST (CH), mu xm xanh, xm en. Lp ny gp trong c2
lkhoan LK1 v LK2. Cao y lp bin thin t-28,10m (LK1) n -
28,50m (LK2). Bdy lp bin thin t21,50m (LK2) n 27,50m (LK1). Lp 1b:ST do cao (CH), mu xm xanh, trng thi do chychy.
Lp ny gp trong c2 lkhoan LK1 v LK2. Cao y lp -43,50m . B
dy lp t 15,00m.
Lp 2:ST do thp(CL), mu xm, trng thi do mmdo cng.
Lp ny chgp trong lkhoan LK1. Cao y lp l -52,40m (LK1). B
dy lp l 8,90m.
Lp 3a: CT ST (SC), ht trung n th, ln si sn, mu xm vng,xm xanh, rt cng. Lp ny ch gp trong l khoan LK2 v cha c
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khoan qua ht bdy khi kt thc lkhoan. Bdy khoan c ca lp
l 11,9m.
Lp 3b:CT ST sp xp km ln bt (SP-SM), mu xm, kt cu rt
cht. Lp ny chgp trong l khoan LK1, tuy nhin cha khoan ht lp
ny. Bdy khoan c ca lp l 4,7m.
Bng 2-1: Cc chtiu c l ca a cht khu vc cng
Chtiu c l n v Lp 1a Lp 1b Lp 2 Lp 3a Lp 3b
Hm lng si sn % - - - 2.5 3.0
Hm lng ht ct % 3.1 0.7 1.0 61.4 85.9
Hm lng bt v st % 96.9 99.3 99.0 36.1 11.1
m W % 71.9 60.1 33.7 23.0 -Dung trng tnhin g/cm3 1.54 1.62 1.86 1.88 -
Ttrng 2.68 2.70 2.71 2.74 2.65
Hsrng e 1.987 1.661 0.953 0.793 -
Hsrng ln nht emax - - - - 1.047
Hsrng nhnht emin - - - - 0.599
Gc nghkhi kh d - - - - 34
Gc nghbo ha w- - - - 24
Gii hn chy LL % 80.8 74.4 49.9 52.8 -
Gii hn do PL % 28.6 27.0 17.6 21.6 -
Chsdo PI % 52.2 47.4 32.3 31.2 -
st LI 0.83 0.70 0.50 0.04 -
Gc ma st trong 4o26 8o39 9o26 27o22 -
Lc dnh C kG/cm2 0.081 0.150 0.248 0.235 -
TrsSPT 0 0-3 7-12 >50 >50
Cng khng ct kG/cm20.082-0.293
- - - -
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Svth: Ng Vn Lng; Mssv: 491755; Lp 55CG2 19
Hnh 2-1: Mt ct a cht cng trnh khu vc xy dng cng
2.3. c im kh tng
2.3.1. Gi bo
Gi ma
Khu vc xy dng cng nm trong vng kh hu nhit i gi ma. min
Nam Vit Nam, c hai ma gi thnh hnh c bn, ma ma tthng 05 n thng
10 v ma kh tthng 11 n thng 4, c trng ca 2 ma nh sau:
+ Ma kh: Gi thng ng v hng ng bc vi vn tc t1-5m/s
+ Ma ma: Gi thng ty v hng ty nam vi vn tc t5-10m/s.
Tc giVn tc gi trung bnh v ln nht hng thng ti Vng Tu c th hin
trong Bng 2-2. Cc sliu trong bng cho thy vn tc gi trung bnh hng thng
trong mt nm l 4,1m/s ti Vng Tu.Vn tc gi trung bnh ti Vng Tu bin
thin t3,0m/s vo thng 8 n 5,7m/s vo thng 2. Vn tc gi trung bnh trong
ma khln hn vn tc gi trung bnh trong ma ma.
1a
1b
2
3b
3a
1a
1b
2
3a
3b
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Svth: Ng Vn Lng; Mssv: 491755; Lp 55CG2 20
Bng 2-2: Vn tc gi hng thng ti Vng Tu
Tc gi
ThngTrungbnhhngnmI II III IV V VI VII VIII IX X XI XII
Trungbnh 4.7 5.7 5.2 4.7 3.5 3.5 4.2 3.0 3.6 3.5 4.0 4.0 4.1
Lnnht 18 18 18 18 18 18 30 15 18 15 18 15 -
Hnggi E SE SE SE WNW WNW WNW WSW SE SE NW SE -
Tc gi ln nht
Tc gi ln nht ti hai trm kh tng trong khu vc quan trc nh sau:
+ Trm kh tng Vng Tu c thng k trong 40 nm qua: 30m/s.+ Trm kh tng Tp.HCM c thng k trong 30 nm qua: 36m/s.
Tvic phn tch thng k vn tc gi ln nht hng nm trong 30 nm qua
(1971-2000), vn tc gi c theo cc tn sut c thhin trong Bng 2-3:
Bng 2-3: Vn tc gi c khnng xy ra ti Tp HCh Minh
Tc giTn sut xut hin (%)
1 2 3 5 10Gi ln nht 36 35 33 30 26
Bo v p thp nhit i
S lng bo v p thp nhit i i qua vng ven bin min Nam ti v
11oBc trong 26 nm qua tnm 1954 n nm 1980 l 5 ln, c thhin trong
hnh sau. Theo sliu gi quan st dc ti Trm Kh tng Tp.HCM, vn tc gi
hn 20 m/s c ghi nhn trong 60 nm qua ti trm chxy ra 4 ln.
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Svth: Ng Vn Lng; Mssv: 491755; Lp 55CG2 21
Hnh 2-2: Slng bo v p thp nhit i Vit Nam (1954-1980)
2.3.2. Lng ma
Lng ma hng thng
Lng ma trong khu vc c c trng r bi hai ma gi ma, v d: manng v ma ma. Lng ma trung bnh hng thng ti Tp. HCM tnm 1952 n
nm 1987 c thhin trong Bng 2-4.
Ma ma (thng 5 n thng 10): Lng ma trung bnh hng thng l 206
n 298 mm/thng, ma kh (thng 11 n thng 4): Lng ma trung bnh hng
thng l 4 n 118 mm/thng.
Bng 2-4: Lng ma hng thng ti B RaVng Tu(1952-1987)
(n v: mm)
Lngma
Thng
1 2 3 4 5 6 7 8 9 10 11 12
Ti a 53 54 60 165 381 491 494 480 590 484 284 128
Trungbnh
10 4 9 41 206 298 291 277 303 279 118 37
Ti thiu 0 0 0 0 70 130 169 68 137 157 29 1
14
2 3
6
10
11
2 58
1915
4
1
10
13
22
15
3
0
5
10
15
20
25
30
35
40J F M A M J J A S O N D
Thang 1 2 3 4 5 6 7 8 9 10 11 12
N 19-22 deg
N 15-19 deg
N 11-15 deg
South of 11
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Lng ma hng nm
Theo sliu quan st c ti Trm Kh tng Tn Sn Nht tnm 1952 n
nm 1987, trm quan trc kh tng B Ra tnm 1914 n nm 1944 v 1960 n
1970, lng ma trung bnh hng nm vi c c trng tiu biu c thhinbi lng ma ti a, ti thiu, trung bnh c thhin trong Bng 2-5 di y.
Bng 2-5: Lng ma hng nm ti khu vc nghin cu (1952 n 1987)
(n v: mm)
Lng ma Khu vc Tp. HCM Khu vc sng ThVi
Ti a hng nm 2463 (1966) 2834
Trung bnh hng nm 1896 1568
Ti thiu hng nm 1391 (1958) -
Lng ma theo cc tn sut
Thng qua phn tch thng k cc sliu lng ma quan st c ti Trm
Kh tng Tn Sn Nht trong 36 nm qua tnm 1952 n nm 1987, Bng 2-6
thhin lng ma theo cc tn sut xut hin:
Bng 2-6: Tn sut xy ra ti B RaVng Tu
(n v: mm)
S liu kh tng Trng hpKh nng xy ra (%)
1 2 3 5 10
Lng ma
Ti a hng nmTi a hng thngTi a hng ngyTi a hng gi
2624602199126
2522574180116
2458556169111
2374532154103
224949813593
2.3.3. Lng bc hi
Theo sliu o c ttrm kh tng Tn Sn Nht tnm 1952 n 1981,
tng lng bc hi trung bnh thng ti Tp.HCM thay i t86mm vo thng 10
(ma ma) n 193mm vo thng 3. Lng bc hi trung bnh nm ca Tp.HCm l
1581mm.
2.3.4. Sng m
Theo sliu kho st ti trm Tn Sn Nht trong thi gian tnm 1952 n
1981, tng sln trung bnh trong thng xut hin sng m l 4,2 ln vo thng 5
cho n 8,6 ln vo thng 1.
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2.3.5. Tm nhn trn bin
S ngy c tm nhn di 10km chim 15%, theo s liu quan st ti v tr
gian khoan mBch H.
2.4. c im thy hi vn
2.4.1. Thy triu
Cao Hi
Cao Hi (CDL) ti Vng Tu so vi cao quc gia (NDL) ti Hn Du
theo cng thc tnh nh sau:
CDL = NDL + 2,887m
Mc nc
Da trn sliu quan trc ti trm thy vn Vng Tu vi thi gian quan trc
5 nm lin tc (2007-2011), tnh tng quan mc nc vvtr xy dng cng trnh
ta c cao mc nc theo cc tun sut nh Bng 2-7 sau:
Bng 2-7: Mc nc ng vi cc tun sut ti vtr xy dng (hcao H)
P%H(cm)
1 2 5 10 20 50 70 95 97 99
H gi 400 385 377 363 342 289 233 107 87 55H nh 421 412 407 403 388 368 353 329 325 316
H chn 233 212 200 179 157 116 88 33 22 3
H tb 312 304 302 295 283 267 256 239 236 230
2.4.2. Sng
Theo s liu quan st ti Sao Mai v Nghinh Phong t nm 1986 n nm
1987, chiu cao sng (H) ln nht l 1,2m, chu ksng (T) l 3,8s v chiu di sng
(L) l 45m ti Sao Mai, cn ti Nghinh Phong cc gi tr ln lt l H=1,97m,T=5,9s v L=57m.
2.4.3. Dng chy
Theo kt qunghin cu, tc dng chy ln nht trn sng ThVi khong
2,5m/s ti ca Ci Mp v 1,33m/s ti ca ThVi.
Tin hnh o dng chy hai ln vo thng 6 v thng 12 nm 2001, tt c7
im ti Vnh Gnh Ri. Hng v tc dng chy ba su khc nhau c
o ng thi bng bn dng co dng chy lin tc trong 15 ngy m (tngy
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14 n ngy 29 thng 6 v tngy 2 n ngy 16 thng 12, nm 2001), cc ln o
cch nhau 1 gi. Qu trnh o c tin hnh bi dng co dng ti ba im kho
st V1, V2, V3 v bn im phV4, V5, V6, V7.
Vn tc dng chy ln nht quan st ti mi im ti hai thi im triu ln,xung c trnh by trong Bng 2-8. Qua , phn ln dng chy i chiu, hng
dng chy trong chai trng hp gn nh song song vi lung chy tu hin ti,
iu ny gip gim thiu sbi lng cho lung.
Bng 2-8: Vn tc dng chy ln nht ti Vnh Gnh Ri (14-29)/6/2001
Dngchy
Dng chy khi triu ln Dng chy khi triu xung
im
Lp
Di Gia Bmt Di Gia Bmt
Vntc
(m/s)
Gc(o)
Vntc
(m/s)
Gc(o)
Vntc
(m/s)
Gc(o)
Vntc
(m/s)
Gc(o)
Vntc
(m/s)
Gc(o)
Vntc
(m/s)
Gc(o)
V1 1.08 007 1.08 354 1.22 354 1.37 173 1.74 169 1.77 160
V2 0.89 307 1.17 314 1.30 318 0.95 128 1.16 126 1.32 127
V3 0.81 335 0.94 338 1.22 338 0.73 165 0.96 160 1.07 155
V4 0.78 025 0.78 017 0.83 020 0.65 017 0.60 195 1.03 185
V5 0.55 354 0.61 355 0.64 358 0.47 160 0.69 157 0.79 163
V6 0.65 257 0.74 258 0.77 264 0.84 245 1.11 259 1.22 260
V7 0.68 295 1.02 296 1.40 134 0.92 116 1.35 109 1.62 120
2.4.4. Bo v nc dng
Khu vc ca Th Vi Vng Tu khng chu nh hng ca l lt, nc
dng, tuy nhin, thnh thong khu vc ven bin xut hin cc cn bo ln hoc gi
ma mnh. Mc nc dng khong 45cm khi c bo Linda vo thng 10 nm
1997.
2.5. Lung tu vo cng
i vi mt cng th lung tu vo cng l yu t quan trng bc nht, n
quyt nh rt ln n chi ph u t cng, chi ph duy tu no vt hng nm v c
tu cho php cp cng. Lung tu vo cng GEMADEPT Ci Mp c nhng thun
li v kh khn nh sau.
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2.5.1. Thun li
Sng ThViCi Mp di khong 40km chy di theo hng Bc Nam, c
su trung bnh t15 20m, chsu nht (ng ba ThViCi Mp) t ti
60m. B rng trung bnh 500 600m, ring sng Ci Mp ch
rng ri 1000m. y l ca sng
c su t nhin ln thun li
xy dng cng nc su.
Chiu di lung tu l 36,5km
t phao GR5 vnh Gnh Ri n
ht Cng Phc Thi Vedan
(theo s liu Cng ty Bo m an
ton hng hi Vit Nam). su t
nhin cn nht l -9,3m (Hi ).
Bn knh cong nhnht l 350m ti on ct cong Tc C Trung. Vi thng sk
thut nh vy tuyt lung ThViCi Mp m bo cho tu trn 80000DWT vo
cp cng.
2.5.2. Kh khn
Tnh trng ng y chim lung hng hi, c bit gy nguy him cho khc
cua. Ring ngay vtr phao s15, c 1 hng y ko di tbn btri ra gn n v
tr phao dn lung, chim gn nh ton blung, chcn 1 khong trng nht nh.
Tu nhngng tu ln: tnh trng tu c nhhng ngy thli nh bt dc
tuyn sng ThVi cng ngy mt nhiu. C nhiu phng tin thli ri neo u
ngay trn lung, c phng tin ko li di chuyn rt chm trong lung tu.
Hin nay, khu vc Ci Mp Th Vi ang trong giai on u t xy dng
cng nn trn lung c stham gia lu thng ca rt nhiu x lan vn chuyn vt
liu v ct san lp. Trong , nhiu x lan hnh trnh khng ng lut giao thng
ng thy, thm ch neo u ngay trc cc cng, gy thm trngi cho tu ln
hnh trnh trn lung v khi cp vo cng
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Chng 3: THIT KQUY HOCH
3.1. Dbo lng hng v c trng hng ho qua cng
Trn c s lng hng qua khu vc Tp. HCh Minh ng Nai B Ra
Vng Tu v shp dn ca khu vc xy dng cng GEMAPDEPT Ci Mp dbo c lng hng, c cu hng ha qua cng tnh n nm 2030 l 4,85 triu
tn/nm, trong hng xut 2,4 triu tn/nm, hng nhp 2,45 triu tn/nm. Chi tt
dbo lng hng ha qua cng theo Bng 3-1 sau:
Bng 3-1: Dbo lng hng ha qua cng
(n v: Tn/nm)
Stt Loi hng
Khi lng Tng xut
v nhpHng xut Hng nhp
1 Hng container 1 650 000 1 500 000 3 150 000
2 Hng bch ha dng bao kin 600 000 450 000 1 050 000
3 Lng thc v nng sn ng bao 150 000 500 000 650 000
Tng cng 2 400 000 2 450 000 4 850 000
3.2. i tu ra vo cng
i tu ra vo cng bao gm cc loi tu ch hng tng hp, tu container
xut nhp khu trng ti t1050 vn DWT. C cu tu vo cng c cc thng s
kthut theo Bng 3-2 sau:
Bng 3-2: Thng skthut cc loi tu n cng
Stt Loi tuTrng ti(DWT)
Chiudi tuL(m)
Chiurng tu
B(m)
Mn ncy tiT(m)
1
Tu hng bao kin
Tu 5.000DWT 111 16.9 6.6
2 Tu 10.000DWT 137 19.9 8.23 Tu 12.000DWT 144 21.0 8.6
4 Tu 15.000DWT 155 21.5 8.8
5 Tu 18.000DWT 161 22.6 9.6
6 Tu 20.000DWT 165 23.6 9.6
7 Tu 30.000DWT 185 27.5 11.0
8 Tu 40.000DWT 200 29.9 11.8
9 Tu 50.000DWT 213 31.5 12.5
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1
Tu container
Tu 20.000DWT 186 27.1 9.9
2 Tu 30.000DWT 218 30.2 11.1
3 Tu 40.000DWT 244 32.3 12.2
4 Tu 50.000DWT 266 32.3 13.03.3. Thng skthut ca bn
3.3.1. Mc nc tnh ton
Cn cvo phn phn tch sliu lm chng 2, ta c c cc sliu
mc nc thit knh sau:
Mc nc cao thit k (MNCTK): P01%= +4,00m (hcao Hi )
Mc nc thp thit k(MNTTK): P99%= +0,55m (hcao Hi )
Mc nc trung bnh (MNTB): P50%= +2,89m (hcao Hi )
3.3.2. Cao trnh nh bn
Cn ctiu chun 22TCN22295 ta c cng thc tng qut:
CTB = MN + a
Theo tiu chun chnh: CTB = MNTB + a1= 2,89 + 2 = 4,89 (m)
Theo tiu chun kim tra: CTB = MNCTK + a2= 4,00 + 1 = 5,00 (m)
Do cc bn bn cnh c cao trnh nh bn l +5,50m nn cao trnh nh bnchn gi trl: CTB = 5,50 m (hcao Hi )
3.3.3. Chiu su trc bn
Cn c tiu chun 22TCN207-92 (trang 11/206) chiu su trc bn Hb xc
nh nh sau:
Hb= T + Z0+ Z1+ Z2+ Z3+ Z4
Trong :
TMn nc tnh ton ln nht ca tu.
Z0su dphng do snghin lch tu. Z0= 0,026B (B chiu rng tu)
Z1dphng chy tu ti thiu. i vi t y l bn, ly Z1= 0,04.T
Z2dtrdo tc dng ca sng. Tra bng 4-22TCN207-92, ly Z2= 0cm.
Z3dtrcho qu trnh chy tu, phthuc vo vn tc chy tu. Do s
dng tu lai dt nn Z3= 0.
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Z4dtrdi ln tu xt n khnng bi lng no vt ph sa t di
y (Z40,4m). Chn Z4 = 0,04 m.
3.3.4. Cao trnh y bn
Cn ctiu chun 22TCN207-92, cao trnh y bn xc nh nh sau:
CTB = MNTTK - Hb
Trong :
MNTTKMc nc thp thit k.
HbChiu su ca bn.
Bng 3-3: Bng tnh ton cao trnh y bn
Loi tuB
(m)T
(m)Zo Z1 Z2 Z3 Z4 Hb
CTBtt (m)
CTBchn(m)
Tucontainer
50000DWT32.3 13 0.84 0.52 0.00 0.00 0.04 14.40 -13.85 -14.00
Tu hng50000DWT
31.5 12.5 0.82 0.50 0.00 0.00 0.04 13.86 -13.31 -14.00
3.3.5. Chiu di bn
Cn ctiu chun 22TCN207-92, chiu di bn xc nh nh sau:
Lb= Ltmax+ d
Trong :
LtmaxChiu di ln nht ca tu tnh ton.
ddtran ton gia cc tu (theo bng 816/20622TCN207-92).
Kt qutnh ton c tng hp trong cc bng sau:
Bng 3-4: Bng tnh ton chiu di bn
Loi tu Trng ti (m) d (m) Lb(m)
Tu container 50 000DWT 50 000 DWT 266 25 291
Tu hng 50000DWT 50 000 DWT 213 25 238
3.3.6. Khu nc ca cng
3.3.6.1. Khu chy tu vbc xp hng
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a). Chiu di khu nc trc bn
Chiu di khu nc trc bn c xc nh theo tiu chun thit k cng
nghcng bin, i vi sbn ln hn 1 nh sau:
i= n
kn ti kn1 knn
i=1
L = (1,1.l )+ l + l
Trong :
ltiChiu di tu tnh ton (m).
lkn1, lknndtrchiu di khu nc tng ng ca bn thnht v bn
cui (bn th n) xt n c s hot ng ca tu lai dt khi cp v ri v dch
chuyn tu dc bn. Khi c tu lai dt, ta ly bng 0,125xlt1(ltn).
Kt qutnh ton c thhin trong bng sau:
Bng 3-5: Bng tnh ton chiu di khu nc
ilng
n v Ghi chGitr
lt1 m 1 bn container tu 50 000DWT, 266
lt2 m 1 bn hng kin tu 50 000DWT 213
lkn1 m 0.125xLt1 33.25
lkn2 m 0.125xLt2 33.25Lkn m Lkn = 1.1*(Lt1+ Lt2) + Lkn1 + Lkn2 593.4
b). Chiu rng khu nc trc bn
Chn tu tnh ton l tu ln nht ra vo cng, l tu container 50000DWT.
Chiu rng khu nc sc thit km bo rng khu nc cho tu b
lu thng theo c2 chiu trong iu kin c tu ang lm hng trong bn.
Hnh 3-1: S tnh ton chiu rng khu nc
Cn ctheo Tiu chun thit kcng nghcng bin, chiu rng xc nh:
2BT+ B Bkn3BT+ 5BL+ BL+ B
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Trong :
BTBrng tu tnh ton (m). Bt= 32,3 (m).
BLdtran ton gia tu u v tu chy (m).
BL = 1,5.BL = 1,532,3 = 48,45 (m)
B dtran ton gia tu chy vi tu chy (m).
B = 2,0.Bt= 2,032,3 = 64,6 (m)
BLChiu rng ca ca tu lai dt. (m). BL= 9 (m).
Kt qutnh ton nh sau:
129,2 (m) Bkn254,95 (m)
Ta chn gi tr: Bkn= 250 (m)
3.3.6.2. Khu quay vng tu
Khu quay vng c btr m bo tu quay vng thun li, hp l v bn
knh quay vng l ti thiu. Do din tch khu nc khng rng tu quay vng trong
cng c sgip ca tu lai dt, bn knh quay vng tu tnh theo cng thc:
Dqv= 2Lt
Khu quay vng tu container: Dqv= 2Lt= 2266 = 532 (m)
3.3.6.3. Khu chi tu
Din tch vng phn loi on tu c xc nh theo cng thc:
= Ntv.v= Ntv.Lv.Bv
Vng phn loi on tubtr thit bneo trthp,phng php 4 im neo:
Hnh 3-2: S tnh ton vng cho tu neo 4 im
Chiu di bn vng chtu c xc nh theo cng thc:
Lv= Lt+ 2d
Vi ddtran ton, d = 5Hb. (HbChiu su khu nc)
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Chiu rng vng c tnh theo cng thc:
Bv= Bt+ 2B
Vi BChiu rng an ton khi chy tu. B = 1,5.Bt
Slng vng chi tu c tnh theo cng thc:
n dtv
t n
Q .k.tN = 2
G .T
Trong :
QnLng hng bc xp trong nm (T).
kHskhng u ca lng hng.
tdThi gian ca mt tu trn vng (ngy). Ta githit rng thi gian ca cc tu trn vng githit ly td= 2 ngy.
TnThi gian khai thc ca cng trong nm (ngy). Githit rng cng phi
ngng hot ng trong tng= 36 ngy trong nm. Vy thi gian hot ng ca cng
trong mt nm l Tn= 365 - 36 = 329 ngy.
GtTrng ti tu u trn vng.
2con sthhin 2 lt tu i li qua cng, vi 1 lt n v 1 lt i.
Kt qutnh ton vng i tu c thhin trong cc bng sau:
Bng 3-6: Khu nc ca cng
Stt i lng n v Tu container Tu hng kin
1 Trng ti tu Gt T 50 000 50 000
2 Chiu di tu Lt m 266 238
3 Chiu rng tu Bt m 32.3 31.5
4 Chiu su khu nc Hb m 18.5 145
Vng chtu
Chiu di Lv m 451 308
6 Chiu rng Bv m 130 126
7 Din tch v m2 58 630 38 808
8 Lng hng Qn T 3 150 000 1 700 000
9 Hskhng u k 1.3 1.2
10 Thi gian td ngy 2 2
11 Thi gian khai thc Tn ngy 329 329
12 Svng tnh ton Ntv vng 0.95 0.94
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13 Svng chn nv vng 1 1
14 Din tch vng v m2 58 630 38 808
3.3.7. Lung tu vo cng
a). Chiu rng lung tu
Cc thng stnh ton chiu rng lung tu:
Gi tnh ton: theo quy nh khai thc cu cng; gi cho php ln nht tu cp
cng l di cp 7 v vy la chn tc gi tnh ton lung l V = 15m/s.
Gc phng vlung 143o24 323o24
Cc hng gi tnh ton: Bc; ng Bc; ng; ng Nam.
Tc chy tu trn lung ln nht 4m/s 8 knot v nhnht 2m/s 4 knot.Chn tc tnh ton trung bnh 3m/s.
Tu container 50 000DWT: L = 266 (m), B = 32,3 (m), T max= 13 (m)
Chiu rng lung sc tnh ton ph hp vi lung mt chiu.
Cn ctiu chun PIANC, chiu rng lung 1 chiu (kn) c xc nh:
9
BM i r
1
W W + W + W WB Bg
i
Bng 3-7: Tnh ton chiu rng lung theo PIANC
ilng
ngha iu kin p dngGitr
WBM Di hot ng c bn Tu 50 000DWT 1.5B
W1 Vn tc tu (knot) 48 knot 0.0B
W2 Vn tc gi ngang thnh hnh (knot) 3.0 0.2B
W5Chiu cao sng c ngha H(m);chiu di(m)
H < 1m, < Lt 0.0B
W6 Phao tiu bo hiu Tm nhn rt hn ch 0.2B
W7 Mt y lungD > 1.5T, trn vmm
0.0B
W8 su lung nc 1.15T < d < 1.5T 0.2B
W9 Mc nguy him ca hng ha Thp 0.0B
WBr Khong cch n bMp lung thoi
(m=7-10)0.5B
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WBg Khong cch n bxanhMp lung thoi(m=7-10)
0.5B
Tng 3.5B
Do chiu rng lung yu cu l:
W = 3,5.32,3 120 (m)
b). su lung tu
Cn ctiu chun PIANC, su lung tu c xc nh nh sau:
DL= 1,1.T
Trong :
DLsu lung tu. (m)
TMn nc ca tu thit k(m).
Kt qutnh ton c thhin nh trong bng sau:
Bng 3-8: Chiu su lung tu
Loi tu Mn nc T (m) su lung DL(m)
Tu container 50 000DWT 13.0 14.3
Tu tng hp 50 000DWT 12.5 13.75
Do , ta chn su lung thit kl 14,3m.
c). Cao trnh y chy tu
Do khu vc cng GEMADEPT Ci Mp chu nh hng ca thy triu nn
khi tu 50 000DWT y ti vo cng th ta li dng thy triu tu cp cng, thi
gian tn ti thy triu khong 6h. T v tr xy dng cng ra ca sng khong
200km nn vn tc chy tu vo 10hi l/h. V vy, ta chn mc nc chy tu l
MNCT = +2,5m.Cao trnh y chy tu xc nh theo cng thc sau:
CTCT = MNCT - 14,3 = 2,5 - 14,3 = -11,8m (hcao Hi )
d). Mi dc lung tu
Mi dc lung tu c xc nh vo khnng n nh di nc, phthuc
chyu vo iu kin a cht y. Theo quy trnh thit kknh bin 1998, vi nn
a cht khu vc xy dng l bn trng thi chy th dc mi lung tu 1:20 l
ph hp nht.
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Do vy, dc mi lung tu mo= 1:20 sc sdng thc hin no vt
c bn lung vo Cng GEMADEPT Ci Mp ti su -11,8m thit ktrn.
3.4. Phng n cng nghbc xp hng ho
3.4.1. S cng nghv thit bbc xp hng container
3.4.1.1.Phng n 1
a). S cng nghxut nhp container
Hnh 3-3: S cng nghxut hng theo phng n bc xp 1
b). Thit btuyn mp bn
Cn trc tuyn mp bn l cn trcgin chuyn dng container loi Post
Panamax:
Sc nng: 54 tn.
Nng sut: 45TEU/gi, c th
cu c 2 container mt ln.
Tm vi pha mp nc: 56,6m,
h 3m c th bc xp 18 hngcontainer trn boong. Loi cu
c 2 container 20ft mt ln.
Ti trng ca cn trc 1 600 tn.
Chiu cao nng tnh tmt t: 29m.
Chiu cao hxung tnh tmt t: 3m.
Khu chn ray: 30m.
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c). Thit bgia tuyn mp bn v bi
Dng u ko rmooc vn chuyn hng ha tkho/bi ra bn v ngc li.
Thng skthut xe ko r moc chcontainer 20 feet:
Trng lng bn thn: 3500kG.
Mm ko: 850 kG
Trc sau: 2650 kG
Ti trng cho php ch: 23000kG
Kch thc xe: di x rng x cao: 6720 x 2500 x 1580 mm
Khong cch ttm cht ko n trc sau: 4100 + 1300 mm
Strc: 2
Clp: lp trc/sau l 11.0020.00
Thng skthut xe ko r moc chcontainer 40 feet:
Trng lng bn thn: 7650 kG
Mm ko: 1870 kG
Trc sau: 5780 kG
Kch thc xe: di x rng x cao: 12480 x 2500 x 1520mm
Khong cch ttm cht ko n trc sau: 7450 + 2600mm
Strc: 3
Clp: lp trc/sau l 11.0020.00
d). Thit btrn bi
Cn trc bnh lp Rubber tyred gantry crane (RTG) vi thng skthut sau:
Sc nng: 40,6T
Chiu rng: 23,47m
Khnng xp cao: 4+1 tng container Tc nng c/khng hng: 30/60m/pht
Ti trng trc: 30T
Xe nng hcontainer
Xe nng hcontainer c sdng khu bi pha sau bc xp container
rng l loi xe nng chp container Reach Stacker vi thng snh sau:
Sc nng: 40 tn
Xp cao: 5 lp container
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Svth: Ng Vn Lng; Mssv: 491755; Lp 55CG2 36
Nng sut: 8 thng/gi
Tc di chuyn: 24km/h.
3.4.1.2.Phng n 2
a). S cng nghxut nhp hng container
Hnh 3-5: S cng nghnhp hng theo phng n bc xp 2
b). Thit btuyn mp bn
Thit bsdng hon ton ging
nh trong phng n 1.
c). Thit b gia tuyn mp bn vbi
Xe ko r moc chcontainer 20
feet: (ging nh trong phng n 1)
Xe ko r moc chcontainer 40
feet: (ging nh trong phng n 1)
d). Thit btrn bi
Cn trc xp trn bi l cn trc chn ray RAIL MUONTED GANTRY
CRANE vi cc thng skthut sau y:
Sc nng: 25 tn
Khu chn ray: 37m
Chiu cao nng: 20,75m
Tc nng c hng: 30m/pht; tc nng khng hng: 60m/pht
Cng sut: 26 chu k/gi
Tc quay: 0,3m/s
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Tc nng hc ti: 0,17m/s
Tc nn hkhng ti: 0,21m/s
Xe nng hcontainer: Ging vi phng n 1.
3.4.1.3. La chn phng n bc xp ti u cho bn container
Cn cvo s lm vic v cc c tnh thit bbc xp trn bn trong 2
phng n xut ta c bng so snh sau y:
Bng 3-9: Bng so snh la chn phng n bc xp cho hng container
Stt Tiu ch so snhPhng n 1
(Cn trc bnh lp RTG)Phng n 2
(Cn trc chn ray RMG)
1Hiu qusdngdin tch
Xp ng container vimt cao (c thxp titn 4 tng v khu cth cha ti 6 hngcontainer).
Xp ng vi mt
container rt cao trong.Khu c thcha c12 n 20 hng container,4 tng cao.Hiu sut sdng din tchl cao hn so vi cn trcRTG.
2Ti trng chn vc im kt cumng
Chy c trn nn bnhthng, khng cn ray.
Ti trng trn mt n vdin tch chn l ln do cn phi thit kc di btng nng di lp khng ph v kt cu mt
bi.
Chy trn nn ray.Cn phi thit kh thngng ray, chy trn dm
cn trc nn cc cm suvo lp t tt.Ti trng trn mt n vdin tch l nh hn
phng n 1 do c dintch tip xc ln.
3 Tnh c ng
Tnh c ng cao hnphng n 2.Khi chuyn ln phi c bngim ti lt pha di
Tnh c ng thp.Cnh trn ray.Khng thchuyn ln.
4 Kt cu mngph hp
Kt cu mng trn nn tc ci to tt.
Mng cc.
5 Gi thnh Tng i tt hn so vi phng n1
6Nng sut bcxp
Cao. Rt cao.
7Tui thv
bnbn thp hn RMG.Tui thtrn 15 nm.
bn cao.Tui thtrn 20 nm
8 nh gi nnh ln
Cc cn trc c thchuyn
ln do vy rt c nguy cgy ln lch do ti trng
ln theo nh gi l
nh hn v d kim sotdo tt c cc cn trc ch
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phn b khng u ccthi im khc nhau.
hot ng trn vng ngray t trn dm cn trctrn nn cc ng su vot tt.
9 Kt lun Khng chn ChnTnhng phn tch nhn nh trn ta thy rng phng n la chn ph hp
nht cho Cng GEMADEPT Ci Mp l phng n 2 v nhng l do sau y:
Bn xy dng xa b, do vy vic tit kim din tch, nng cao nng sut
hiu qusdng t ca cn trc c thcha c nhiu container nht
trong mt din tch hn hp l mt trong nhng u tin hng u. Nh
phn tch hiu qusdng t ca phng n 2 l cao hn hn phng n
1 (RTG). Mc d RMG c gi thnh trn mt n v l t hn cn cu RTG tuy
nhin do khu , nng sut v tui thu cao hn nn hiu quu t xt
vlu vdi scao hn phng n RTG.
Bn xy dng xa b, kt cu trn nn cc, rt ph hp vi kt cu chu lc
cho cn trc RMG.
Do hot ng trn di dm cn trc ring nn nguy c tc ng ln kt cu
mt bn l khng c, do vy hn chc nguy c hng hc cng nh tc
ng ca ln khng u ln kt cu bn.
3.4.2. S cng nghv thit bbc xp hng bao kin
3.4.2.1.Phng n 1
a). S cng nghxut nhp hng
Hnh 3-7: S cng cng nghxut nhp hng bn hng kin
b). Thit bmp bn
Sdng cn trc KPG-25 vi cc thng ssau:
Sc nng: 25 tn
Tm vi max/min: 35m/10m.
Tu
Mpbn
KPG-25Ch
hng t D-300Kho
Xe t
XeXe t
BiXe Forklift
t D-300
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Svth: Ng Vn Lng; Mssv: 491755; Lp 55CG2 39
Khu chn ray: 10,5m.
Tc nng c tikhng ti: 45m/pht - 65m/pht.
Tc quay vng: 1,3 vng/pht.
Tc di chuyn trn ray: 28,2 m/pht.
c). Thit btrn bi
Xe nng hng ng c diesel CPCD 70:
Sc nng: 7 tn
Chiu cao nng max: 3m
Kch thc cng nng : di rng dy: 1,2 x 0,15 x 0,065 m
Gc nghing: 6
Tng chiu rng: 1,995m Bn knh quay vng: 3,45m
Tc di chuyn c tikhng ti: 26 km/h28 km/h.
Tc nng hng c tikhng ti: 0,39m/s0,45 m/s
Khnng leo dc: 20%
t D-300:
Trng ti: 32 tn
Kch thc di rng cao: 8,56 x 3,7 x 3,75 m.
Thtch thng: 24 m3
Cng sut: 300 m lc
Tiu thnhin liu cho 100 km ng: 165 lt
d). Thit btrong kho
Sdng xe nng xp dnhtrn bi, xe nng ng cdiesel CPCD 70.
3.4.2.2.Phng n 2a). S cng nghxut nhp hng kin
Hnh 3-8: S cng nghxut nhp hng kin phng n 2
TuMpbn
Cn trcGMHK-
3405Chhng
t D-300KhoXe t
XeXe t
BiXe Forklift
t D-300
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b). Thit bmp bn
Cn trc GMHK-3405 c cc thng skthut nh sau:
Sc nng: 50T
Chiu di cn chnh: 42,5m Tm vi max, min: 40,0 v 7,0 m
Tc quay: 4,75v/pht
Tc nng: 16,5v/pht
Trng lng: 120,0T
c). Thit btrn bi
Sdng nh phng n 1.
d). Thit btrong kho
Sdng nh phng n 1.
3.4.2.3. La chn phng n cng nghcho hng kin
Cn cvo s lm vic v cc c tnh thit bbc xp trn bn trong 2
phng n xut ta c bng so snh sau y:
Bng 3-10: So snh la chn phng n cng nghbc xp hng bao kin
Stt Tiu chPhng n 1
(cn trc KPG-25)
Phng n 2
(cn trc GMHK-3405)
1 Nng sut Cao Cao
2 Tnh c ngCh di chuyn c trntuyn mp bn
Di chuyn c trntuyn mp bn v nhngtuyn khc
3 Duy tu bo dng Phc tp Phc tp
4 Ti trngTi trng phn b trn
bnh xe lnTi trng phn b trn
bnh ln
5 Tnh tng ha Cao Cao
6 Gi thnh Trung bnh Rt cao
7 Kt lun Chn Khng chn
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Tcc tiu ch nh gitrn cng vi khi lng hng vo bn, ta la chn
phng n 1 v chn cn trc ny c nng sut cao, gi thnh tng i trung bnh
nn gip gii phng lng hng trn tuyn mp bn nhanh chng v p ng vn
ca nh u t.
3.5. Tnh ton slng bn v slng thit b
3.5.1. Tnh ton chu kcc thit bhot ng trong cng
a). Chu kcn trc chuyn dng ContainerPost Panamax
Cn trc Post Panamax c chu kc ly theo catalog ca nh sn xut. y
l nng sut c tnh ton theo thng k thc tdo vy hon ton m bo
tin cy. Chu kcn trc Post Panamax l: Tck= 80 (s)
b). Chu kcn trc RMG
Chiu cao nng hca RMG c tnh ton theo s sau:
Chiu cao mt container c ly l 13 feet = 3,96 (m).
Bi cho php xp 4 tng container.
Phng n bi RMG xe:
Hn= 0,5(m)
d 4.3,96 2,890,5 0,5 7( )2 2 2 2
xeh
h hH m
Phng n xe RMG bi:
d 4.3,96 2,890,5 0,5 7( )2 2 2 2
xen
h hH m
Hh= 0,5(m)
Hnh 3-9: S tnh ton chiu cao nng hca RMG
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Chu knng hca cn trc RMGs c tnh nh sau (tnh cho phng n t
xe vo bi):
1 2 3 9 10...ck iT t t t t t t
Trong :
tThi gian t, cn chnh bn ngom vo container (t = 30s)
t2Thi gian kha mc vo container (t2= 30s)
t3Thi gian nng bn ngom c container vi vn tc V1 (vn tc nng c
hng) v chiu cao Hn
3
1
714( )
0,5
nHt sV
t4Thi gian di chuyn xe con vi vn tc Vx.
4
x
1 37 110 68( )
2 2 0,42
kk
Dt d s
V
t5Thi gian hcontainer vi vn tc V1(nng c hng) v chiu cao Hh.
5
1
0,51( )
0,5
hHt sV
t6Thi gian t, cn chnh container vo vtr (t6= 30s)t7Thi gian tho kha mc container (t7= t2 = 30s)
t8Thi gian nng bn khi khng c container vi vn tc V2 (vn tc khi
khng hng) v chiu cao Hh:
8
2
0,50,5( )
1
nHt sV
t9Thi gian di chuyn xe con vi vn tc Vx(t4= t9=68 (s))
t10Thi gian hbn xung v tr xe container mi vi vn tc V2(vn tc
khi khng hng) v chiu cao Hn
10
1
77( )
1
hHt sV
T, ta tnh c gi tr:
TckRMG= 30.2+ 30.2+14+68.2+1+0,5+7279(s)
c). Chu kcn trc KPG-25
S tnh ton chiu cao nng hca cn trc c thhin hnh vsau:
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Hnh 3-10: S tnh ton chiu cao nng hcho bn hng kin
Phng n tu KPG-25 xe (bn bch ha)
d 22 3,750,5 0,5 0,5 9,36( )2 2
tn c H tH h m
x 2,899,63 8,2( )2 2
eh n
hH H m
Phng n xe KPG-25 tu (bn bch ha)
x( ) 0,52
en t
hH H T CTMB MNTB
2,8722 12 (5,5 2,89) 0,5 6,5( )
2nH m
Hh= hc+ 0,5 = 9,63 (m)Chu klm vic ca cu cng KPG-25 c tnh theo cng thc sau:
Tck = (2t1+2t2+2t3).+ t7+ t8+ t9+ t10+ t11
Trong :
Hstnh n shon thin ca qu trnh nng, hhng vi tay cn =0,9
vi hng kin, bao.
2t1Thi gian nng, hmc khi c hng v khng hng vi chiu cao Hn (s)
1
1 2
9,63 9,632 4 '' 4 '' 26( )
0,75 1,1
n nH Ht sV V
2t2Thi gian nng, hmc khi c hng v khng hng vi chiu cao Hh (s)
2
1 2
8,2 8,22 4'' 4 '' 23( )
0,75 1,1
h hH Ht sV V
v1Vn tc nng hng ca KPG-25 khi c hng: v1= 0,75 (m/s)
v2Vn tc nng hng ca KPG-25 khi khng hng: v2= 1,1 (m/s)
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2t3Thi gian quay ca cn cu khi c hng v ngc li:
3
902 6'' 6 '' 29( )
3 2.1,3t s
n
Gc qua ca cn trc khi bc xp hng ha. = 90nTc quay, n = 1,3 (vng / pht)
t7Thi gian kha mc c hng (s), t7= 25(s)
t8Thi gian t hng v tho mc khi hng (s) , t8= 66 (s)
t9Thi gian kha mc c hng (s), t9= 13 (s)
t10Thi gian t v tho mc khng c hng (s), t10= 12 (s)
t11Thi gian thay i tay cn (s), t11= 12 (s)Cc thi gian t7, t8, t9, t10, t11ly theo phlc 2, 3Phlc quy hoch cng
binV Quc Hng.
4,6 Thi gian bm phanh v nhphanh.
T, tac: Tck= (26 + 23 + 29).0,9 + 25 + 66 + 13 + 12 + 12 = 198(s)
d). Chu kxe nng hng CPCP 70
Chu klm vic i vi thit bxe nng hng:Tck= 2t1+ t2+ t3+ t4 + t5(s)
Trong :
2t1Thi gian nng v hbn hng ca xe trn 1/2 chiu cao xp ng (s)
1
1 2
2 2 2 3,5 2 3,52 4'' 4 '' 33,5( )
0,39 0,45
d dh ht sv v
v1Tc nng hng. v1= 0,39m/s
v2Tc hhng. v2= 0,45 m/s
hChiu cao xp ng githit bng 3,5m
t2Thi gian chuyn ng ca xe khi c hng trn khong cch L (s)
2
3
10013,9( )
7,2
Lt s
v
t3Thi gian chuyn ng ca xe khng hng trn khong cch L (s)
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3
4
10012,8( )
7,8
Lt s
v
v3Tc di chuyn c ti. v1= 26km/h = 7,2m/s
v4Tc di chuyn khng ti. v2= 28km/h = 7,8 m/st4Thi gian xe nng hng ly hng. t4= (45 60)s. Ta chn t4 = 50s
t5Thi gian xe nng hng xp hng. t5=(5075)s. Ta chn t5=70s.
T, ta tnh c gi tr:
Tck= 33,5 + 13,9 + 12,8 + 50 + 70 181(s)
e). Chu kcn trcxe r mooc (tnh gn ng)
Chu kxe r mooc c tnh ton theo cng thc nh sau:13
2 6
1
ck i
i
T t t t
Trong :
t1Thi gian cn trc trc bn cht ti ln xe, t1= 80 (s).
t2Thi gian xe di chuyn ng ni btrong cng, tnh theo cng thc:
12
42075( )
20 0,28
tb
tb
Lt s
v
vtbVn tc trung bnh ca xe di chuyn trong cng l vtb= 20km/h
Ltbqung ng trung bnh tnh gn ng cho 1 xe ti di chuyn trong cng.
t3Thi gian lm thtc qua cng kim tra container, t3= 2 pht = 120 (s)
t4Thi gian di chuyn qua cu dn n khu bi trong bvi qung ng l
2km v tc trung bnh l 40km/h:
4 2 60 60 180(s)40
t
t5Thi gian lm thtc kim tra container trc khi vo bi. t5= t3= 120 (s)
t6Thi gian di chuyn trung bnh trong khu bi,
a a6 75( )
20 0,28
b i bai b i bai
tb
L B L Bt s
v
t7Thi gian dcontainer bng cn trc RMG, tnh cho mt chu kca cn
trc RMG, ta c t7= 279 (s).
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t8Thi gian lm thtc kim tra container sau khi ly container tbi n
bn. t8= t5= t3= 120 (s).
t9 Thi gian di chuyn qua cu dn n tuyn bn ngoi khi vi qung
ng l 2km v tc trung bnh l 50km/h:
9
260 60 144(s)
50t
t10Thi gian lm thtc kim tra container. t10= 120 (s).
t11Thi gian di chuyn trung bnh trong bn. t11= t2
t12Thi gian dti bng RMG ti khu bi tm trc bn, t12= 250 (s).
t13Thi gian di chuyn n vtr cn trc mp bn. c tnh t13= 60 (s).
Vy ta c kt qunh sau:
13
2 6
1
1623( )ck ii
T t t t s
3.5.2. Tnh ton sbn
Cn cTiu chun thit kcng nghcng binCc Hng hi Vit Nam
slng bn c xc nh theo cng thc nh sau:
thb
nd tt b
QN =30.P .K .K
Trong :
QthLng hng qua bn trong thng nhiu nht (Tn)
n kdth
kt
Q .kQ =
t
QnLng hng qua bn trong mt nm. Da theo kt qudbo (Tn)
tktThi gian khai thc ca bn trong 1 nm (thng)
kkdHskhng u ca lng hng (kd1.2)
PndKhnng thng qua ca bn trong 01 ngy m (tn/ngym). Xc
nh theo cng thc:
d
x d
24. nn
b
DP
T T
DnLng hng tnh ton cho tu. (Tn)
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TdThi gian tu u ti bn do cc yu t ngoi bc xp (gi). Xc nh
theo bng 5.1/trang 30/Tiu chun thit kcng nghcng bin ta c. Td= 9,0(gi)
i vi tu c trng ti 50 000DWT.
TbxThi gian bc xp hng ti bn (gi). Xc nh theo cng thc:
x
m k
24.
. N . .
nb
c
DT
N P
NcSca lm vic trong mt ngy m (ca).
NmStuyn bc xp tnh cho mt bn.
Hssdng thi gian ty thuc vo sca trong ngy. Vi gi trnca= 3
ca th = 0,9
PkKhnng bc xp hng ha ca 1 cn cu tuyn mp bn trn 1 ca
Pk= Pm.Tca(T/ca)
TcaThi gian lm vic trong 1 ca
PmNng sut lm vic thc tmt my trong mt gi, xc nh nh sau:
d
3600.. . .m tg vm g
ck
gP
T (T/h)
TckThi gian hot ng trn mt chu kca my.gTrng lng mt m cu hng ca cn trc (Tn)
tg= (0,70,87)Hssdng thi gian trong ngy.
vm= 0,95Hsvng mc.
g= (0,850,90)Hssdng my.
KttHssdng quthi gian ca bn.
KbHsbn bn lm hng ca tu trong thng tnh ton.
Kt qutnh ton thhin trong bng sau.
Bng 3-11: Bng tnh ton slng bn hng container v hng kin
Gitr
u
vo
ilng
Cng thc tnh ton n vBn
container
Bnhngkin
QnLng hng trong mt
nm
T 3150000 1700000
kkd Hskhng u 1.2 1.2
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tkt Thi gian khai thc thng 12 12
Dn Lng hng tnh ton T 50000 50000
Ktt Hssdng thi gian 0.90 0.90
Kb Hsbn bn 0.50 0.50Td Thi gian tu u ti bn gi(h) 9 9
Nc Sca lm vic ca 3 3
Tca Thi gian lm vic mt ca gi(h) 8 8
Nm Slng thit bmp bn thit b 1 2
0.9 0.9
g Trng lng mt m cu T 54 25
Tck Tnh ton trn giy 80 198
tg 0.7 0.85
vm Hsvng mc 0.95 0.95
g Hsgin on 0.85 0.9
Ktqutnhton
Pm d3600.
. . .m tg vm g ck
gP
T T/h 1373.6 330.3
Pk Pk= Pm.Tca T/ca 10988.5 2642.7
Tbx xm k
24.
. N . .
nb
c
DT
N P
gi 40.4 84.1
Pnd dx d
24. nn
b
DP
T T
T/ng- 24268.7 12891.0
Qthn kd
th
kt
Q .kQ =
t T/thng 315000 170000
Nbth
b
nd tt b
QN =
30.P .K .K bn 0.96 0.98
Chn Nb bn 1 1
3.5.3. Tnh ton slng thit btuyn bc xp sau bn3.5.3.1. Cng thc chung tnh slng thit b
Slng thit bcn thit:
thtb
th
QN
P
QthLng hng bc xp trong trong thng (i vi thit bsau bn):
. .kn k
thth
t
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Trong :
kHskhng ng u lng hng.
tthSthng cng hot ng bc xp.
kHsqua kho. k = 0,95
Pth- Khnng cho php ca bn trong thng (i vi thit bsau bn):
Pth= 30.Png.kt(T/nm)
ktHsnh hng do thi tit xu:
720
720
tt
tk
720Sgilm vic trong mt thng ( = 30 ngy 24 gi)
ttThi gian nghdo thi tin xu (gi). Gi thit sngy nghdo thi tit
xu l 36 ngy. Ta c: t t = 36/12 24 = 72 (gi)
PngNng sut lm vic ca mt my trong mt ngy (vi thit bsau bn):
Png = nca.Tca.Mg(T/ngy)
ncaSca lm vic trong 1 ngy m, nca = 3.
TcaThi gian lm vic trong 1 ca, Tca= 8h.
MgNng sut bc xp thc t ca cc thit b khi k n cc yu t nh
hng bn ngoi (i vi thit bsau bn):
Mg= (P1.x1).tg.vm.g
tg= (0,70,87)Hssdng thi gian trong ngy.
vm= 0,95Hsvng mc.
g= (0,850,90)Hssdng my.
P1Nng sut ca cc thit bbc xp trn tuyn bn xt theo gi(T/h).
1
3600.
ck
gP
T (T/h)
x1Slng cc thit bbc xp trn tuyn sau bn, tnh ton ta chn x1= 1.
gTrng lng ca mt ln nng ca cn trc (T)
i vi hng bch ha trong mt chu kg = k.Q (Q l trng lng hng (T))
kHsnng hay hsy hng, k = 0,950,98 Chn k = 0,96.
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3.5.3.2. Bn Container
a). Slng cn trc RMGs
Githit rng c 5% lng hng container sc trc tip chuyn ti thng
n chhng, cn li 95% lng hng ha sphi qua hthng kho bi ca cng.iu ny c ngha l ta c hsqua kho bng k= 0,95
Bng 3-12: Bng tnh ton la chn slng RMGs
ilng
Qn k k tth nca Tca g Tck tg vm gd kt Ntb Chn
nv
1000T thng ca h T s chic chic
Gitr
3150 0.95 1.2 12 3 8 30 279 0.7 0.95 0.85 0.9 2.88 3
b). Slng u my ko r mooc
La chn tng cng 20 u ko container 20ft v 40ft phc v vic vn
chuyn container trn bi.
c). Slng xe chp ReachStacker
Gi thit s lng hng container rng chim khong 20% tng s hng
container. Lng container rng ny sc cc xe Reach-Stacker bc xp khu
vc kho bi pha sau bn.Do thit bReachStacker khng phi l thit bhot ng theo chu knn
sxe c tnh ton theo cng thc sau:
0.th
th
QN k
P
Trong :
k0Hsxp dk0= 2,5
QthKhi lng hng thng qua thng cng nht
. .12
nth hh kb
QQ k k
QnKhi lng hng container thng qua cng trong nm (TEU)
khhHskhng ng u ca lng hng. Ta c khh= 1,2
kkbHscontainer rng qua bi kkb= 0,9 (90% container rng qua bi)
PthNng lc xp dca 1 cn trc trong 1 thng TEU
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Pth= 30.8.3.P.k1.k2.k3.k4
PNng sut Reach-Stacker trong 1 gi. P = 14 thng/gi
k1Hssdng thi gian mi ca k1= 0,8
k2Hsnh hng ca thi tit k2= 0,9
k3Hssdng thit b, k3= 0,7
k4HsTEU/thng, k4=1,33
Bng 3-13: Bng tnh ton slng thit bxe nng chp
i lng Qn khh kkb P k1 k2 k3 k4 k0 NN
chn
n v 1000T T/gi Chic ChicGi tr 3150 1.2 0.9 250 0.8 0.9 0.7 1.33 2.5 5.87 6
3.5.3.3. Bn Bch ha
a). Slng xe nng hng CPCP 70
Gi thit rng c 5% lng hng hng bch ha sc trc tip chuyn ti
thng n chhng, cn li 95% lng hng ha sphi qua hthng kho bi ca
bn bch ha.
Bng 3-14: Bng tnh ton slng xe nng hng CPCP 70
ilng
Qn k k tth nca Tca g Tck tg vm gd kt Ntb Chn
nv
1000T thng ca h T s chic chic
Gi tr 1700 0.95 1.2 12 3 8 6 181 0.7 0.85 0.8 0.94 3.60 4
b). Slng xe tD300
La chn 12 xe t D300 phc vbn bch ha vn chuyn hng tmp
bn vo kho bi bn trong v ngc li. Slng chnh xc sc xc nh trong
qu trnh khai thc sau ny.
Bng 3-15: Bng tng hp slng thit btrong cng
Loi bn STT Tn thit bnv
Slng
BnContainer
1 Cu gin chuyn dng Container Post Panamax chic 1
2 Cn trc RMG chic 3
3 u my ko r mooc chic 10
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4 Xe nng chp Reach - Stacker chic 6
Bnhng kin
5 Cn cu KPG - 25 chic 2
6 Xe nng hng CPCP 70 chic 4
7 S lng xe t - D300 chic 123.6. Xc nh din tch kho bi ca cng
3.6.1. Cng thc tnh din tch kho bi
a). Sc cha kho
k.k . . tn
bk
n
QE
T
Trong :
EkSc cha kho. (T)
QbnLng hng ca bn trong nm. (T)
kHskhng ng u ca lng hng.
Hsqua kho ( biu hin tlphn trm lng hng phi i vo kho).
tkThi gian tn kho. (ngy m)
TnThi gian khai thc trong nm ca kho. Ta ly Tn= 365 ngy.b). Din tch kho
.
kk
f
EF
q k (m
2)
Trong :
FkDin tch kho. (m2)
EkSc cha kho. (T)
qTi trng khai thc ca kho. (T/m2)
kfHssdng din tch hu ch (Tra bng trong trang 334QHC).
3.6.2. Kho bi hng Container
a). Dliu u vo
D tnh sc 95% lng hng ha lu thng qua cng sphi qua h thng
kho bi:
Tlhng container thng 85% tng ng: 2677500T(=85%.3150000)
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Tlhng container rng l 20% tng ng: 567000T(=18%.3150000)
Tlhng container lnh l 10% tng ng: 315000T (=10%.3150000)
Githit 1 container c trng lng 24T.
Chiu cao xp container: Container c hng : 4 tng;
Container lnh: 2 tng;
Container rng: 3 tng.
b). Din tch kho bi container
Din tch bi v kho cha container rng
Bng 3-16: Din tch bi container v kho cha container rng
Stt i lng K hiu n vGi tr
Bi Kho rng
1 Lng hng qua cng (1 nm) Q Tn 3150000
2 Lng hng qua bi, kho Qn Tn 2992500 630000
3 Hskhng u lng hng k 1.2 1.2
4 Thi gian khai thc trong nm Tn ngy 365 365
5 Thi gian lubi tk ngy 9 15
6 Hsqua bi, kho 0.95 0.957 Sc cha kho, bi Ek m
2 34118 29515
8 Hssdng din tch hu ch kf 0.95 0.8
9 Ti trng khai thc mt kho, bi q T/m2 4 4
10 Din tch bi, kho Fk m2 22136 9223
11 Kch thc bi, kho nxBxL m2 6x37x100 2x54x100
Kho CFS
Din tch kho CFS tnh theo cng thc:
n
1C
R
NSCFS
Trong :
N Lng hng qua kho CFS trong 1 nm, trung bnh 10lng hng qua
cng qua kho CFS N = 0,1.Qn = 0,1 x 3150000.0,95= 299250 (T).
RHsquay vng (R = 15).
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CHscng, phthuc vo loi hng v thi gian quay vng (c = 1).
nHssdng din tch (n = 0,7).
Ti trng khai thc trn nn kho, = 4 (T/m2).
Thay sta c:
CFS
299250 1 2S 1 2138(m )15 0,7 4
La chn kho CFS c kch thc: nxBxL = 2x42x96 (m)
c). Btr kho bi container
Kho bi c btr nh trong bn vs2, s3 v s4.
3.6.3. Kho bi hng bao kin
a). Dliu u vo
i vi hng bch ha: tlhng qua bi: 70%, tlhng qua kho: 25%, tl
hng chuyn thng n chhng: 5%.
i vi hng lng thc: t lhng qua kho: 95%, t lhng chuyn thng
n chhng: 5%.
Ti tng khai thc ti kho, bi: 4T/m2
b). Din tch kho bi
Kt qutnh ton c thhin trong bng sau.
Bng 3-17: Din tch kho bi bn hng bao kin
Stt i lng K hiu n vGi tr
Bi Kho
1 Lng hng qua cng (1 nm) Q Tn 17000002 Lng hng qua bi, kho Qn Tn 735000 880000
3 Hskhng u lng hng k 1.2 1.2
4 Thi gian khai thc trong nm Tn ngy 365 365
5 Thi gian lu bi tk ngy 20 8
6 Hsqua bi, kho 0.95 0.95
7 Sc cha kho, bi Ek m2 45912 21898
8 Hssdng din tch hu ch kf 0.95 0.8
9 Ti trng khai thc mt kho, bi q T/m2 4 4
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10 Din tch bi, kho Fk m2 12082 6871
11 Kch thc bi, kho nxBxL m2 4x42x802x48x80 +2x54x80
d). Btr kho bi hng bch ha
Kho bi hng bch ha btr nh trong bn vs2, s3 v s4.
3.7. Bin chcng
Scng nhn cng:
ch ph m
c
A A AN
F
Trong :
AchSlng ngica ca cng nhn chnh trong nm. (ngica)
AphSlng ngica ca cng nhn phc vtrong nm. (ngica)
AmSlng ngica ca cng nhn phc vKT trong nm. (ngica)
FSca cng tc ca mt ngi trong nm. Ly F theo tiu chun, F=265 ca.
Scng nhn chnh ca cng:
xb
nch ph
c
Q
A aP
vx
(5 10)%
b
nph
c
Q
a P
Trong :
QnbxLng hng bc xp theo cc phng n bc xp trong nm(T- bx).
PcTiu chun bc xp cng nhn theo phng n chn (T- bx/ngi - kp).
ic
c
PP
n
Pinh mc cng tc ca my (T/kp)
1 2. . .i kt k P P K K t (T/kp) (khi bc xp trn bi)
1 2. . . .i kt k P P K K t z (T/kp) (khi bc xpdi tu l)
PtkNng sut k thut ca my (T/h) ( tnh ton trong phn la chn thit b).
tkThi gian cng tc ca mt kp. (tk= 8h)
K1Hssdng sc nng ca my. K1= 0,7
K2Hssdng my trong 1 kp. K2= 0,77
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ncS cng nhn cho mt tuyn trong kp (nc) (Cn c vo iu kin lm
vic thc tla chn)
aphScng lao ng thc hin cng tc ph(trong nh mc cha xt n)
ly theo 5%xb
n
c
QP
Bng QTTKCNCB.
Slng kp ngi ca cng nhn phphc vtrong cng
Aph= 10%.Ach
Slng kp ngi ca cng nhn kthut phc vcho cng trong nm
m m tA O n v imi
QO
P
Trong :
OmSkp cng tc ca my trong nm. (my-kp)
QiLng hng bc xp ca my. (T/my)
Pinh mc cng tc ca my. (T/kp)
Kt qutnh ton c thhin trong bng di y.
Bng 3-18: Slng cng nhn phc vbn container
Stt Hng mc n vPhn n bc xp
Tng sTu xe
Tubi
Bi xe
1Lng hng bc xptrong nm (Qn
bx)1000T-bx 1 575
2992.5
2992.5
7 560
2nh mc bc xp chomt tuyn trong kp (Pi)
T/kp 10989 10989 2334
3S cng nhn cho mt
tuyn trong kp (nc)
ngi 9 9 7
4Tiu chun bc xp ca1 cng nhn (Pc)
T/ngi-kp
1221 1221 333 12715
5S cng bc xp(Qn
bx/Pc)ngi-kp 1290 2451 8975 1272
6S cng bc xp ph:10%(Qn
bx/Pc)ngi-kp 129 245 897 127
7Tng s cng bc xpchnh (Ach)
ngi-kp 1419 2696 9872 13987
8Tng s cng bc xp
ph (Aph)ngi kp 1399
9 Cng lm vic ca my kp-my 143 272 1282
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trong nm (Om)
10nh mc nhn lc
phc v my (Nt)kp ngi/kp my
0.5 0.5 0.3
11Cng lao ng phc vmy (A
m)
ngi kp 72 136 385 592
12 S cng nhn cng (Nc) ngi 61
13S cng nhn ngoicng (Nc)
ngi 16
14Cn b cng nhn vinhnh chnh s nghip
ngi 7
15Cn b cng nhn quanl cng tc hng
ngi 10
16 Tng s ngi 94
Bng 3-19: Slng cng nhn phc vbn hng kin
Stt Hng mc n vPhn n bc xp
Tng sTuxe
Tu biBixe
1Lng hng bc xptrong nm (Qn
bx)T-bx 85 1615 1615 3315
2nh mc bc xp chomt tuyn trong kp (Pi)
T/kp 2467 2467 540
3 S cng nhn cho mttuyn trong kp (nc) ngi 9 9 7
4Tiu chun bc xp ca1 cng nhn (Pc)
T/ngi-kp
274 274 77
5S cng bc xp(Qn
bx/Pc)ngi-kp 3648 5892 20935 30475
6S cng bc xp ph:10%(Qn
bx/Pc)ngi-kp 365 589 2094 3048
7Tng s cng bc xpchnh (Ach)
ngi-kp 4013 6481 23029 33523
8 Tng s cng bc xpph (A h)
ngi kp
3352
9Cng lm vic ca mytrong nm (Om)
kp-my 405 655 2991
10nh mc nhn lc phcv my (Nt)
kp ngi/kp my
0.5 0.5 0.3
11Cng lao ng phc vmy (Am)
ngi kp 203 327 897 1427
12 S cng nhn cng (Nc) ngi 145
13 S cng nhn ngoi cng(Nc) ngi 37
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14Cn b cng nhn vinhnh chnh s nghip
ngi 15
15Cn b cng nhn quanl cng tc hng
ngi 22
16 Tng s ngi 219Tng slng cng nhn phc vtrong ton cng l:
Nc= 94 + 219 = 313 (ngi)
3.8. Cc cng trnh kthut htng ca cng
3.8.1. Giao thng trong cng
La chn cc c trng ca ng nh sau:
ng trc bn rng 20m. ng sau khu bi rng ng 20m, bao gm clng.
Lng chn 2m.
Vt liu lm ng b tng nha.
Bn knh cong 60m.
dc ca ng i = 0.06% .
Bn cnh hthng ng t c btr rnh thot nc hp l.
3.8.2. Cc cng trnh kin trc ca cng
Nh cha xe nng hng
Nh cha xe nng hng c kch thc nh sau: LxB = 24x24m.
Nh iu hnh
Nh iu hnh c hnh dng chnht 3 tng c LxB = 36x18m.
Nh n v nh sinh hot
Ta nh hnh ch nht c kch thc nh sau: LxB = 70x30m.
Trm y t
Bn cnh nh sinh hot c btr phng y tvi din tch 30m2.
Xng sa cha c kh, thit bcng
Xng c b tr khu vc trung tm ca 2 bn ngay st bi container rng
pha sau, m bo container c lm sch v sa cha ngay ti cng khi c nhu
cu ca khch hng. C kch thc LxB = 100x40m.
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Xng bo dng thit b
Xng bo dng thit bcng c btr trung tm ca 2 khu bn, btr ray
m bo cho thit b RMG i vo thun tin. Kch thc ca ta nh: LxB =
65x35m.Bi xe
Ngay st cng vo c btr 2 nh xe cho cng nhn v cn bcng nhn
vin c kch thc LxB = 45x27.
Nh thng trc, bo vv kim tra container
Nh bo vt ngay cnh cng c din tch 25m2.
Nh cu haKch thc ca nh LxB = 35x21m.
Trm bm
Khu vc t trm bm trong khu vc nh cu ha v nh sa cha, lm sch
container, din tch 30m2.
Trm nhin liu
Trm nhin liu c din tch xy dng 30 m2
, c btr trong khu vc xngbo dng v trong khu vc u ko r mooc.
3.8.3. Hthng cp in
Ngun in
Ngun in cung cp c u ni vi h thng chung ca khu vc bng
ngun 22KV dn vo trm bin p bng cp ngm lun trong ng nha chu lc
chn ngm trong t su 1m.
Phti in
+ Ngun in phn phi:
+ Phc vcc nh: 400/230 V; 50 Hz; 3 pha; 4 dy.
+ Chiu sng ng v bi: 400/230 V; 50Hz; 3 pha; 4 dy.
+ Cp in cho cn trc: 6600 V; 3 pha.
Tn tht in p
+ ng 22 kV: 5%
+ ng in chiu sng: 5% Trm bin p
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Chn trm trong nh 4 my t ti khu vc bn container, hai my cng sut
mi my 4000KVA; 22/6,6KV cp in cho 8 cn trc trn mt bn. container. Hai
my cng sut mi my 1500 KVA cung cp in cho cc hng mc cn li ca
cng.
3.8.4. Hthng cp thot nc cng
a). Khi lng nc tiu th
Khi lng nc tiu thxc nh theo cng thc:
Q = (Q1 + Q2 + Q3 + Q4 + Q5).
Trong :
Hstnh n tn tht nc do cc nguyn nhn hng khng lng trc
c (r r, vng ng) v lng nc sdng cho cc vic khc m cha xt
n. Ta ly gi tr =1,15.
Q1Nc dng cho cng nhn cng:
Q1= Q1a+ Q1b= 7825 + 5625 = 13450 (lt)
Q1a= m.qVi m l scng nhn ca cng (ngi). Q1a= 313.25=7825 (lit)
qLng nc tiu chun dng cho mt kp. q = 25 lt/ngi
451 500. . . 5625
60Q b a b (lt)
aSkp cng tc, ta c gi tra = 3.
bSvi nc (5 ngi mt vi).
Q2 Nc dng cho cng nhn cng:
Q2= Q2a+ Q2b
Q2alng nc dng cho tu, 2a d d( )c cQ N t q t q Q2blng nc cho hnh khc v thin vin, Q2b= q.m.n
Do khng s liu chn Q2= 100 000 (lt/ngy m)
Q3 Nc phc vcho cc ta nh cng cng khc:
3 . 15.60 900i iQ q m (lt)
Trong :
qiTiu chun nc dng cho mt ngi. Vi q = 15lit/ngi.
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miQuy m cc ta nh trong cng.
m= 60 ngi l scng nhn vin hnh chnh.
Q4Nc dng cho xng sa cha v ta nh CN, chn Q4= 45000(lt)
Q5Nc dng cho vic ti lnh thcy xanh, chn Q5= 30000(lt)
Q6Nc dng cho phng ha. Lng nc ny ly bng10%5
1
i
i
Q
Q6= 10%(13450 + 100000 + 900 + 45000 + 30000) = 18935(lt)
Vy tng lng nc cn cho ton cng trong mt ngy m:
Q= 239528(lt)
b). Mng li cp thot nc sinh hotNgun nc
Ngun nc sch cung cp cho sinh hot c ly tngun nc my chung
ca tnh B RaVng Tu. Hthng nc my ny c dn n tn bn ngoi
hng ro ngoi cng.
S cng nghcp nc
i vi khu vc hnh chnh v sinh hot ca cng:
Ngun nc Bcha 200m3 trm bm Tc cha nc trn cao 50m3
Cc htiu thnc.
i vi khu vc cc bn container:
Ngun nc B cha 500m3 trm bm Tc cha nc trn cao
100m3 Cc htiu thnc.
Dc theo tuyn mp bn btr hng cp nc cho tu.
c). Mng ng ng cp nc cu ha
Ngun nc c bm trc tip tngun nc sng ra.
S cng nghcp nc cha chy:
Nc sng Trm bm nc cu ha ng ng cp nc cu ha
Trcu ha (Trbn ngoi).
d). Mng lt thot nc
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H thng thot nc c thit k thnh 1 h thng chung gm: thot nc
ma, nc thi sinh hot.
Thot nc ma: Nc ma c thu vo rnh BTCT v cc ging thu
nc btr 2 bn mp ng v trn mt bi chy vo cc ging kim tratheo ng cng BTCT chung dn ra khu xl nc thi v ra bin.
Thot nc sinh hot v sn xut
Cc ngun nc thi:
Nc thi sinh hot tcc nh vsinh, nh tm tcc khu vn phng c cha
hm lng cht hu c, cht rn l lng.
Nc thi sn xut: Bao gm nc thi txng c kh, kho bi c cha hm
lng cao cht rn, du m, cht hu c kim loi.
Bin php xl:
Nc thi sinh hot thng c xl bng phng php sinh hc, phng
php c phbin hin nay l dng cc bthoi lng cc cht rn, phn hu
v ym kh cc cht hu c v cht cn, phn nc trong chy ra ngoi ng ng
chung.
Nc thi sn xut c a ra h thng tch du trc khi thi ra ngoi.
Lng du thu c bm gom vo thng cha v c thti sinh lm nhin liu t.
3.8.5. Hthng thng tin lin lc
Btr hthng thng tin lin lc gia cc phng ban thun tin trong qun
l v khai thc cng.Kt ni internet cho cc phng ban cp nht thng tin v
phc vcng vic ca cc kthut vin.
B tr trm in thoi tng phc v cho cc khch hng v cc c quan
hnh chnh ca cng cng nh phc vcho tu cnh bn. Trm ny ni lin vimng li thng tin lin lc ton quc. Ngoi ra trong cng cn trang bh thng
loa phng thanh thng bo tin tc trong cng, tn hiu phng ho v an ton lao
ng, cc ng hin v v tuyn cho cng nhn i lm vic v hnh khch.
3.8.6. Hthng phng chy cha chy
Hthng phng chy
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Cc hng mc cng trnh trong