关于MorGain楼梯计算的配筋结果
1.7 正截面受弯承载力计算 1.7.1 踏步段梯板计算 梯板计算跨度 B0 = Min{B + b, 1.05B} = Min{1570, 1439} = 1439mm 1.7.1.1 踏步段梯板跨中 Mmax = 1/8·Qs·B02 = 0.125*11.16*1.4392 = 2.89kN·m As = 49mm2,as = 25mm,ξ = 0.075,ρ = 0.03%; ρmin = 0.21%,As,min = 396mm2; 实配纵筋: φ10@180 (As = 436); 最大裂缝宽度 ωmax = 0.006mm 1.7.2 水平段梯板计算 1.7.2.1 水平段梯板跨中 Mmax = 1/8·Qh·B02 = 0.125*7.23*1.4392 = 1.87kN·m As = 107mm2,as = 24mm,ξ = 0.037,ρ = 0.16%; ρmin = 0.21%, As,min = 191mm2; 实配纵筋: φ8@200 (As = 25
请教板式楼梯的配筋问题
1 梁板式楼梯:TB-1 1.1 基本资料 1.1.1 工程名称:工程一 1.1.2 楼梯类型:板式 A 型 ( ╱ ) 支座条件:两端弹性 1.1.3 踏步段水平净长 Lsn = 2600mm 梯板净跨度 Ln = Lsn = 2600mm 梯板净宽度 B = 1200mm 1.1.4 低端支座宽度 dl = 200mm 高端支座宽度 dh = 200mm 计算跨度 Lo = Min{Ln + (dl + dh) / 2, 1.05Ln} = Min{2800, 2730} = 2730mm 1.1.5 梯板厚度 h1 = 110mm 1.1.6 踏步段总高度 Hs = 1667mm 楼梯踏步级数 n = 11 1.1.7 线性恒荷标准值 Pk = 1kN/m 均布活荷标准值 qk = 3.5kN/m ψc = 0.7 ψq = 0.4 1.1.8 面层厚度 c1 = 25mm 面层容重 γc1 =20kN/m 顶棚厚度 c2