建设部《建筑工程设计文件编制深度规定》的第4.4.3条第8款中,规定了“地下室抗浮(防水)设计水位及抗浮措施,施工期间的降水要求及终止降水的条件等;” 4~
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地下室抗浮设计及计算
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1.2 配筋计算 1.2.1 平行于 Lx 方向的跨中弯矩 Mx Mxk = 2291.29kN?m,Mxq = 1603.90kN?m; Mx = Max{Mx(L), Mx(D)} = Max{2291.29, 1603.9} = 2291.29kN?m Asx = 4159mm?,as = 25mm,ξ = 0.057,ρ = 0.26%; 实配纵筋: ?32@100 (As = 8042); ωmax = 0.265mm 1.2.2 平行于 Ly 方向的跨中弯矩 My Myk = 1133.91kN?m,Myq = 793.74kN?m; My = Max{My(L), My(D)} = Max{1133.91, 793.74} = 1133.91kN?m Asy = 2062mm?,as = 50mm,ξ = 0.029,ρ = 0.13%; ρmin = 0.20%, As,min = 3200mm?; 实配纵筋: ?32@175 (As = 4596); ωmax = 0.195mm sQ_{zOUPh
1.3 跨中挠度验算