Combinaisons.docx
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-4- Combinaisons de calcul des piles et des culées 6-4-1- Combinaisons de charges pour le calcul des piles: a) ELS. C1 = Gmax +Ret. C2 = C1 + 1,2 (AL + FAL) + 0,6 TLD. C3 = C1+ 1,2 (Bc + FBc) + 0,6 TLD. C4 = C1 + Mc120 + 0,6 TLD. C5 = Gmin + Ret + TCD. b) ELU C6 = 1,35 C1 + 1,6 (AL + FAL) + 0,78 TLD. C7 = 1,35 C1+ 1,6 (Bc + FBc) + 0,78 TLD. C8 = C1 + 1,35 Mc120 + 078 TLD. C9 = Gmin + Ret + 1,35 TCD. 6-4-2- Combinaisons de charges pour le calcul des culées: a) ELS. C1 = Gmax +Ret. C2 = C1 + 1,2 (AL + FAL) + 0,6 TLD+ 1,2 Sr. C3 = C1+ 1,2 (Bc + FBc) + 0,6 TLD + 1,2 Sr C4 = C1+ 1,2 [Bc (cas 2)+ FBc(cas 2)] + 0,6 TLD + 1,2 Sr C5 = C1 + Mc120 + 0,6 TLD. C6 = Gmin + Ret + TCD. b) ELU C7 = 1,35 C1 + 1,6 (AL + FAL) + 0,78 TLD.+ 1,6 Sr. C8 = 1,35 C1+ 1,6 (Bc + FBc) + 0,78 TLD + 1,6 Sr. C9 = 1,35 C1+ 1,6 [Bc (cas 2)+ FBc(cas 2)] + 0,78 TLD + 1,6 Sr. C10 = C1 + 1,35 Mc120 + 078 TLD. C11 = Gmin + Ret + 1,35 TCD. Remarque : Acier de Frettage sous les appareils d’appui : Af = 0,04 su u
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