Glavni Nosac Almir

8/19/2019 Glavni Nosac Almir

1/17

Š PROJEKTOVANJE Statički proračun

MOSTOVA Decembar, 20 !" #o$ine

3.2. STATIČKI PRORAČUN GLAVNOG NOSAČASadržaj

3.2.1. Analiza opt r ! nja za prora"#n $la%no$ no&a"a''''''''''''''''''''''''''''''2

3.2.2. Stati"(i prora"#n # pro$ra)# To* r + za $la%ni no&a" %%%%%%%%%%%%%%%%%%%%%%%

O'no(ni po$aci o mo$e)u %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

*)a+ni po$aci

*)a+ni po$aci Kon'trukci-a%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

*)a+ni po$aci Optere/en-e%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

Re+u)tati

Statički proračun%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

Dimen+ioni'an-e beton1%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

3 .


2/17

STALNO OPTEREĆENJE

-Vlastita težina nosača:

G1 = [5,4∗1,3 + 0,4∗1,02 ∗2+0,4∗0,35∗2+ 0,1∗2,02 ∗2 +0,25 ∗2,0∗2]∗25 = 222,5 kN/m 1

G2 -težina asfaltnog sloja.......................................................... (10,2*0,08 *2!=1",#8 kN/m1

G$ -težina %et.og&a'e i težina metal. 'ijela na %et.og&a'i..( )0,22 2# 2 0,$( 2 11,(! kN/m)× × + × =

k+ no stalno o te&e enje : guk =253,82 kN/m'

G=11, ! kN/m 2 stalno o t. e lastite te ine gla nog nosa a i asfalta ija te ina o%+3 a ena + &og&am+ a stati ki &o&a +n to4e& 5

23 .


3/17

POKRETNO OPTEREĆENJE

Lmin Lmax = 22,428,0 = 0,8

6s&=22,4 +28,0 +28,0 +22,4

4 = 25,2 m

7'=1,!-0,008*6s& =1,!-0,008*2#,2=1,1"8

fa } over {fa} *Lsr=0,5*0,35*25,2=4,41 m1

2∗¿

b1 r = b1 +2 d k +d-c =3,9+2*0,08+1,3-1,0 = 4,36 m

b 3 =4,36+

12∗fa

fa ∗ Lsr = 4,36 +4,41 = 8,77 m >b=5,94m

→

bb3 = 1

43 .


4/17

- VOZILO V600

P v=kd *2P *bb3 = 1,198*200*1,0 =238,4 kN

- te&e enje is &e' i i a o ila V500

Piiv = [2∗Bs∗3 +(bk − 3,0 )∗3 +(3,0∗5,0∗kd )]∗bb3 =

[2∗1,5∗3 +(10,2 − 3 )∗3 +(3∗5,0∗1,198 )]∗1,0

= !8,# kN/ m

-9a nomje&no &as o'jeljeno o te&e enje o&e' o ila

Ppv = [2∗Bs∗3 +(bk − 3,0 )]∗bb3 =

[2∗1,5∗3 +(10,2 − 3 )∗3] *1,0 =30,6kN/m

:;?;9;@;NA= * *BC*DN8< E


5/17

3.2.2. STATIČKI PRORAČUN U PROGRA,U TO- R + /A GLAVNI NOSAČ

O&no%ni poda0i o )od l#

Datoteka6 78AVN9 NOSA: t;pDatum proracuna6 2 "4"20 &

Nacin proracuna6 2D mo$e) r1

< Teori-a 9 o# re$a Mo$a)na ana)i+a Stabi)no't

Teori-a 99 o# re$a Sei+micki proracun ?a+e #ra$-en-a

Ne)inearan proracun

V li0ina )od la@ro- c(oro(a6@ro- p)oca'ti e)emenata6 0@ro- #re$ni e)emenata6 .@ro- #ranicni e)emenata6 20@ro- o'no(ni ')uca-e(aopterecen-a6

2

@ro- kombinaci-a opterecen-a6

dini0 ) raDu+ina6 m Bcm,mmC

Si)a6 kNTemperatura6 :e)'iu'

Sema ni(oaTitu))i + BmC BmC

!" 0 !" 00"00

Koor$inate c(oro(aNo < BmC > BmC = BmC

0"0000 !".!00 !" 002 22"500 !".!00 0"0000

4 22"500 !".!00 !" 00

!3 .


6/17

2

5 !0"500 !".!00 0"0000

! !0"500 !".!00 !" 00

& . "500 !".!00 0"0000. . "500 !".!00 !" 00

00" 0 !".!00 !" 00

Tabe)a materi-a)aNo Na+i( materi-a)a EBkN3m2C BkN3m4C FtB 3:C EmBkN3m2C m

@etoni M@ 50 4"500eG. 0"20 2!"00 "000e ! 4"500eG. 0"20

2 @etoni M@ 40 4" !0eG. 0"20 2!"00 "000e ! 4" !0eG. 0"20

Seto(i #re$a

Set6 Pre'ek6 T9P T4, ?ikti(na ek'centricno't

Mat" A A2 A4 9 92 94 @etoni M@ 50 "0H&eG0 &".5.eG0 &".5.eG0 ."..4eG0 4"!00eG "4 eG0

Set6 2 Pre'ek6 b3$I2 03 20, ?ikti(na ek'centricno't

220BC

&3 .


7/17

Mat" A A2 A4 9 92 942 @etoni M@ 40 2"!20eG0 2" 00eG0 2" 00eG0 .". 0e H"2& e 4"025e

Konture #re$a Set " T9P T4 O')oba$-an-e utica-a

No :(or 9

:(or J :(or 9 :(or J M O+n" po+ici-e

M M2 M4 N T2 T4 M M2 M4 N T2 T4

Konture #re$a Set 2" b3$I2 03 00 O')oba$-an-e utica-a

No :(or 9

:(or J :(or 9 :(or J M O+n" po+ici-e

M M2 M4 N T2 T4 M M2 M4 N T2 T44 2

2 ! 54 . &

.3 .


8/17

9+ometri-a

0

1

2

3

4

0

1

22.4028.0028.0022.40

Ulazni poda0i Opt r ! nj

8i'ta ')uca-e(a opterecen-aNo Na+i(

'ta)no #12 pokretno4 Komb"6 9G99

Stalno $4 opt r ! nj I4


9/17

p=23.48

0

1

2

3

4

0

1

22.40 28.00 28.00 22.40

1 5

. 8 0

Po(r tno opt r ! nj II4

p=48.57p=48.57 p=48.57p=48.57

0

1

2

3

4

0

1

22.40 28.00 28.00 22.40

1 5

. 8 0

Pokretno opterecen-eOpterecen-e 26 pokretno 8I m

Tacka'to opterecen-eNo PBkNC < BmC > BmC < > =

24 "50 5"!0 "00 0"00 0"00 "002 24 "50 4"00 "00 0"00 0"00 "004 24 "50 "!0 "00 0"00 0"00 "008ini-'ko opterecen-e

No pBkN3mC < BmC > BmC 2BmC < > =."H. &"00 0"00 0"00 0"00 0"00 0"00 "00


10/17

Stati"(i prora"#n

*tica-i o$6 Sta)no# #1 optere/en-a 91

1 8 9 7

. 2 0

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. 2 0

15.2279.36

7 2 9 7

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15.2279.36

7 2 9 7

. 5 9

0 1 2 3 4

0

1

22.4028.0028.0022.40

Opt" 6 'ta)no #1

Reakci-e o')onaca


11/17

-7297.59-7365.32-7297.59

- 1 5

. 2 2

0

1

2

3

4

0

1

22.4028.0028.0022.40

Opt" 6 'ta)no #1

*tica-i u #re$i6 maK N I 0"00 3 min N I ,.4&!"42 kN


12/17

-15.22

-15.22

-15.22

-15.22

-15.22

15.22

15.22

15.22

15.22

15.22

- 1 8 9 7 .

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0

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22.4028.0028.0022.40

*tica-i u #re$i6 maK T2I 4 5"H& 3 min T2I ,4 5"H& kN

-161.10

79.36

-80.95

-0.79

161.10

-79.36

80.95

0.79

7 9 6 6

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22.4028.0028.0022.40

Opt" 6 'ta)no #1

*tica-i u #re$i6 ma M4I .H&&"4& 3 min M4I 5H&&"52 kNm


13/17

Uti0aji od5 Po(r tno$ opt r ! nja II4

86.04

402.87

2 0 4 4

. 4 3

98.90

493.01

1 9 3

. 8 2

138.12

778.04

2 1 0 3

. 6 7

138.12

777.91

2 3 9

. 4 4

98.88

493.11

2 0 4 4

. 6 1

86.03

402.85

1 9 3

. 8 4

9 8 9

. 5 8

1 6 7

. 1 3

1 0 4 2

. 3 0

1 6 7

. 1 3

0

1 2

3

4

0

1

22.40 28.00 28.00 22.40

Opt" 26 pokretno

Reakci-e o')onaca Min3Ma 1

956.531407.241072.64

5 0 3 4

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-1072.47-1406.84-956.50

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0

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1

22.40 28.00 28.00 22.40

Opt" 26 pokretno

*tica-i u #re$i6 ma M4I !045"5! 3 min M4I !542"H kNm


14/17

193.82239.44193.84

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-2044.43-2103.67-2044.61

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22.40 28.00 28.00 22.40

*tica-i u #re$i6 ma N I 24H"55 3 min N I 2 04"&. kN


15/17

86.04138.1298.88

1 3 3 1

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Opt" 26 pokretno

*tica-i u #re$i6 ma T2I 44 "5& 3 min T2I 4! "& kN

Uti0aji od5 An% lopa Stalno $4 6 Po(r tno I6II4


16/17

70.82

323.51

9 3 4 2

. 0 1

114.12

572.37

7 1 0 3

. 7 7

138.12

778.04

9 4 6 8

. 9 9

138.12

777.91

7 1 2 5

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114.10

572.47

9 3 4 2

. 2 0

70.82

323.49

7 1 0 3

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2 8 8 6

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1 7 3 0

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1 7 3 0

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0

1

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22.40 28.00 28.00 22.40

Reakci-e o')onaca Min3Ma 1

795.431407.241233.74

1 2 8 1 9

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1 2 5 0 5

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-1233.58-1406.84-795.40

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22.40 28.00 28.00 22.40

*tica-i u #re$i6 maK M4I 2 25"4& 3 min M4I ,204HH"50 kNm


17/17

70.82138.12114.10

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*tica-i u #re$i6 maK N I .0" 2 3 min N I ,H5& "HH kN

7i) nzioni&anj 8 ton4

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