PodroznicaP R O R A U N P O D R O N I C APOZ101Z A D A N E V E
L I I N ErazredRUvlanostGeometrijaC 141u 12 %C 16212 % < u 20 %C
183u 20 %C 20C 22vjetarsnijegC 24IIRazmak podronicaB =0.95 mC
27IIIIRasponL =4.00 mC 30IIIIIIKut nagiba =40.0 C 35IVIVirina
poprenog presjekab =12.0 cmC 40VPretpostavljena visinaD 30poprenog
presjekah =18.0 cmD 35Doputeni progib13.3 mmtrenutniD 4020.0
mmkonaniD 50Nadvienjeu0 =0.0 mmmmD 60DjelovanjaD 70Slojevi pokrova
i podgledagp =0.46 kN/mGL24hPodruje djelovanja snijegaIGL28hPodruje
djelovanja vjetraIGL32hNadmorska visina125GL36hVisina iznad tla
(srednja)10.0 mGL24kRazred uporabljivosti212 % < u 20
%GL28kRazred drvaPDC 24GL32kKarakteristina gustoak =350
kg/mGL36kvrstoefm,k =24 MPaft,0,k =14 MPafc,0,k =21 MPafv,k =3
MPaKarakteristini modul elastinosti paralelno vlaknimaE0,05 =7400
MPaModul posmikaGmean =690 MPaP R O R A U NNajvei statiki
utjecajiMoment3.86kNm2.36kNmPoprene sile3.86kN2.36kNUzdune sile (od
stabilizacijskog veza)10.00kN(vlana)6.00kN(tlana)A/ KGS - provjera
naprezanjaIzvijanje:150.7100.52.561.70c =0.23.972.070.140.31Bono
izvijanje:116.5 MPa393.0 MPa0.45rel,y,m 0,75k crit,y
=1.000.25rel,z,m 0,75k crit,z =1.00Koso savijanje s bonim
izvijanjem i vlak paralelno s vlakancima:0.6 MPa7.4 MPa6.8 MPa9.7
MPa16.6 MPakmod =0.90M =1.3km =0.7kh =1.0000.80 10.78 1Koso
savijanje s bonim izvijanjem i tlak paralelno s vlakancima s
izvijanjem:0.3 MPa14.5 MPa0.87 10.79 1Posmik:0.3 MPa1.7 MPa0.18
1Pretpostavljene dimenzije poprenog presjeka zadovoljavaju.Postoji
opasnost od odiueg djelovanja vjetra!!!
&L&8ljustina.net63.net&C&"Verdana,Regular"&P
L
g / s / w
h
b
+/- w
z
e
g / s
y
Skica nije u mjerilu!
Popreni presjek
WO s n o v n o o p t e r e e n j e v j e t r o mp r e m a v i
s i n i , v j e t r o v n o m p o d r u j u i z e m l j i t u[HRN
ENV 1991-2-4]KTGZEMLJITEkrz0zminI22IOtvoreno more ili
jezero0.170.012II30Podruje djelovanja vjetraIIIOgraeno
poljoprivredno zemljite0.190.054III35ZemljiteIIOgraeno
poljoprivredno zemljiteIIIPredgraa gradova0.220.308IV40Poredbena
brzinavref,10 =22.0m/sIVGradska podruja0.241.0016V501.05nadmorska
visina125Poredbeni tlakgustoa zraka1.25 kg/m0.33kN/mVisina iznad
tlaz =10.0 m(srednja)Koef. izloenosti2.35Koef. hrapavosti1.01Nagib
padine0.05s =0Koef. orografijeco =1.00Srednja brzina
vjetra23.3m/s(84 km/h)Koef. tlaka (v.+u.)max cp =0.70min cp
=-0.80Optereenje vjetromw = qref ce(z) max cp =0.55kN/mw = qref
ce(z) min cp =-0.63kN/m
&L&8ljustina.net63.net
SK a r a k t e r i s t i n e v r i j e d n o s t i d j e l o v
a n j a s n i j e g a sk ,z a n a d m o r s k e v i s i n e i z n a
d 1 0 0 m u kN/m[HRN ENV 1991-2-3]1. Podruja optereenja snijegom2.
Karakteristine vrijednosti optereenja snijegomNadmorskavisina dosk
[kN/m][m n.
m.]IIIIIIIV1001.101.100.450.352001.301.400.800.503001.551.751.200.704001.802.201.650.905002.052.652.151.156002.353.152.702.707002.653.703.303.308002.954.253.953.959003.254.904.654.6510003.605.555.405.4011003.956.256.206.2012004.307.007.057.0513007.807.957.9514008.658.908.9015009.509.909.90160010.4010.9510.95170011.4012.0512.05180013.2013.203.
OdabirPodruje djelovanja snijegaINadmorska visina200m n.
m.Koeficijent oblika, 0.80Toplinski koeficijent, Ct1.00Koeficijent
izloenosti, Ce1.00Vodoravno optereenje snijegom:s' = sk Ct Ce
=1.04kN/m
&L&8ljustina.net63.net
ADA n a l i z a d j e l o v a n j aParcijalni koeficijenti
sigurnosti (normalni)DjelovanjeStalnoPromjenjivoGQGSN Povoljan
utjecaj1.000.00GSN Nepovoljan
utjecaj1.351.50GSU1.001.00Koeficijenti kombinacije
djelovanjavrijednostkombinac.estanazovistalnaVrsta promjenjivog
djelovanja012Dj. na stropne
konstr.1.0.700.500.302.0.800.800.503.0.800.800.80Vjetar0.600.500.00Snijeg0.700.200.00Sva
ostala djelovanja0.800.700.50D j e l o v a n j akmodkdef1.
Stalna:0.600.80Slojevi pokrova i podgledagp =0.46 kN/mVlastita
teina0.08 kN/mg = gp + gV.T. =0.54 kN/m2. Snijeg:s = s' cos =0.80
kN/m0.800.253. Vjetar:max w = qref ce(z) max cp =0.55
kN/m0.900.00min w = qref ce(z) min cp =-0.63 kN/mKombinacije
optereenja:qy [kN/m]qx [kN/m][(g + s) cos + w] B(g + s) sin BA/
Krajnje granino stanje1.G g0.540.452.G g + Q max w1.320.453.1 g + Q
min w-0.510.334.G g + Q s1.411.185.G g + Q w + 0 Q s1.930.966.G g +
Q s + 0 Q w1.881.18Postoji opasnost od odiueg djelovanja
vjetra!!!B/ Granino stanje uporabljivosti - provjera pomakaSrednji
modul elastinosti paralelno vlaknimaE0,mean =11000
MPaProgibtrenutnou
[mm]stalnosnijegvjetar-maxvjetar-minuinst,y2.03.02.7-3.1uinst,z3.95.70.00.0uinst4.46.42.73.1uQ,instuQ,finunet,fin
L/300 L/200Kombinacije13.3 mm20.0 mm1.uG0.00.07.92.uG +
umaxW2.72.79.43.uG + uminW-3.1-3.17.04.uG + uS6.48.015.95.uG + 1 uS
+ uW3.53.711.06.uG + uS + 1 uW7.28.316.654%42%83%(moe se uporabiti
1 umjesto 0)Za najnepovoljnije kombinacije (apsolutna
vrijednost)uQ,inst =7.2 mmuQ,inst / (L / 300) =0.54 1uQ,fin =8.3
mmuQ,fin / (L / 200) =0.42 1unet,fin =16.6 mmuner,fin / (L / 200)
=0.83 1Pretpostavljene dimenzije poprenog presjeka zadovoljavaju.
&L&8ljustina.net63.net
materijalK a r a k t e r i s t i n e v r i j e d n o s t i v r
s t o e i k r u t o s t i u N / m m ik a r a k t e r i s t i n e g
u s t o e u k g / m r a z r e dvrstoe [N/mm]Moduli [N/mm]Gustoa
[kg/m]SavijanjeVlak IIVlak Tlak IITlak Posmiki torzijaSrednjiE
modul IIKarakteristiniE modul IISrednjiE modul SrednjiG
modulfm,kft,0,kft,90,kfc,0,kfc,90,kfv,kE0,meanE0,05E90,meanGmeankmeanM
E K OC 14PD1480.41621.770004700230440290350D R V O IC
16PD16100.5172.21.880005400270500310370T O P O L AC
18PD18110.5182.2290006000300560320380EN 338:2003C
20PD20120.5192.32.295006400320590330390C
22PD22130.5202.42.4100006700330630340410C
24PD24140.5212.52.5110007400370690350420C
27PD27160.6222.62.8115007700380720370450C
30PD30180.6232.73120008000400750380460C
35PD35210.6252.83.4130008700430810400480C
40PD40240.6262.93.8140009400470880420500T V R D OD
30PD30180.62383100008000640600530640D R V OD
35PD35210.6258.43.4100008700690650560670EN 338:2003D
40PD40240.6268.83.8110009400750700590700D
50PD50300.6299.74.61400011800930880650780D
60PD60360.63210.55.3170001430011301060700840D
70PD70420.63413.562000016800133012509001080homogenoGL24hLLD2416.50.4242.72.7116009400390720380L
L DGL28hLLD2819.50.4526.533.21260010200420780410EN
1194:1999GL32hLLD3222.50.5293.33.81370011100460850430GL36hLLD36260.6313.64.31470011900490910450kombiniranoGL24kLLD24140.35212.42.2116009400320590350L
L DGL28kLLD2816.50.4242.72.71260010200390720380EN
1194:1999GL32kLLD3219.50.4526.533.21370011100420780410GL36kLLD3622.50.5293.33.81470011900460850430K
o e f i c i j e n tm o d i f i k a c i j e(za PD i LLD)K o e f i c
i j e n td e f o r m a c i j e(za PD i
LLD)RazredtrajanjadjelovanjaRazred vlanosti(kl.
uporabljivosti)Razred vlanosti(kl.
uporabljivosti)123123Stalno0.600.600.500.600.802.00Dugotrajno0.700.700.550.500.501.50Srednjetrajno0.800.800.650.250.250.75Kratkotrajno0.900.900.700.000.000.30Trenutno1.101.100.90Parcijalni
koeficijenti sigurnosti za gradivaMGSNOsnovne kombinacijeDRVO i
gradiva na osnovi drva1.3ELIK u detaljima spojeva1.1Izvanredne
kombinacije1.0GSU1.0
&L&8ljustina.net63.net
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MBD000BD10A.unknown
MBD00150D0E.unknown
MBD001C0631.unknown
MBD001C3BFE.unknown
MBD00344C54.unknown
MBD001C25D5.unknown
MBD001B7608.unknown
MBD001BC64F.unknown
MBD00150F67.unknown
MBD00144405.unknown
MBD001497E1.unknown
MBD0014FCF3.unknown
MBD00148328.unknown
MBD0010381F.unknown
MBD00119388.unknown
MBD001413BC.unknown
MBD00104700.unknown
MBD000F9A47.unknown
MBD000FBD79.unknown
MBD000E515D.unknown
MBD000F19BB.unknown
MBD000E38BE.unknown
MBD000E2090.unknown
MBD000351BB.unknown
MBD00068F7F.unknown
MBD00068F81.unknown
MBD000B54B7.unknown
MBD00068F80.unknown
MBD00068F7D.unknown
MBD00068F7E.unknown
MBD00068F7C.unknown
MBD000209A6.unknown
MBD00031065.unknown
MBD0003322D.unknown
MBD0002A1A2.unknown
MBD00026D30.unknown
MBD000070B6.unknown
MBD00019CF2.unknown
MBD00020388.unknown
MBD0000F99C.unknown
MBD00017A6F.unknown
MBD0000F8E3.unknown
