Download - 2. Pane de Acoperis
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Pana curenta de acoperis1. Evaluarea încărcărilor
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Încărcare TipValoare
[kN/m2]
S.L.S. S.L.U.
Coeficient Valoare Coeficient Valoare
Greutate invelitoare* Gk,1 … 1.00 1.35
Greutate proprie pane Gk,2 0.10÷0.15 1.00 1.35
Spatiu tehnic Gk,3 … 1.00 1.35
Praf industrial Gk,4 … 1.00 1.35
Zapada Zk s 1.00 1.50
2. Pane de acoperis
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Incarcarea din zapada (CR1-1-3-2012)
22. Pane de acoperis
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Incarcarea din zapada (CR1-1-3-2012)
2. Pane de acoperis
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Gruparea actiunilor (CR0-2012)
-incarcari de proiectare (pe suprafata orizontala) [kN/m2]
-incarcari pe metru liniar de suprafata (orizontala) [kN/m]
-distributia incarcarilor pe sectiunea panei [kN/m]
SLU:
SLS:
SLU:
SLS:
SLU:
SLS:
SLU:
SLS:
2. Pane de acoperis
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2. Calcul solicitari
[kN]
[kNm]
SLU SLS
[kN]
[kNm]
t t t t
V
M
0,395 0,523 0,50 0,50
0,625 0,474 0,50
0,105
0,078
0,079 0,079
0,033 0,046
[kN/m]
0,85t
0,3t
0,7t
0,2t 0,2t
0,8t
SII
SIII
SI
SII
SI
SI – Camp curent
SII – Primul camp+reazem curent
SIII – Primul reazem
2. Pane de acoperis
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3. Dimensionare
☺INIMA
-moment ponderat:
-modul de rezistenta necesar:
-verificare suplete:
☺TALPI (SI, SII, SIII)
-moment de calcul (SLU):
-modul de rezistenta necesar:
-verificare suplete:
i – 1,2,3 2. Pane de acoperis
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4. Verificare
☺REZISTENTA (SLU)
-Moment incovoietor:
-Forta taietoare:
-Incovoiere si forfecare:
2. Pane de acoperis
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4. Verificare
☺DEFORMATII (SLS)[kN/m]
M
M
M1 M2 M2
M1M2 M2
f1 f3
f2 f4
fI fIII
t t t
2. Pane de acoperis