1.恒载 厚 30 × = 厚 20 × = 厚 20 × = 厚 17 × = gk = 2.活载 标准值 kN/㎡ 可变荷载效应起控制作用 γG = 1.2 γQ = 1.2 × = 1.3 × = p=g+q = 4.49 + = 4.49 + = 1.3 kN/㎡ 3. 板的内力计算及配筋 ρmin =0.45 f t/ f y = 0.45 × #### / = Asmin = ρminbh= × 1000 × = mm2 C?(20,25,30,35,40,45,50,55) 混凝土等级 3. 1 板无嵌固 m 板厚 mm 板厚取 mm ly= m lx/ly = 单位板宽弯矩( KN·m/m) 0.0617 × + × ) = kN.m 0.0428 × + × ) = kN.m kN/㎡荷载设计值 p〞=q/2 = 300 0.19% 140 266.700
Gk Qk l G 7.27 3.5 1.8 13.62 M fy ES 砼C? fc ft 板厚h b 5.641 300 200000 30 14 1.4 100 ### 0.0616 ###### ##### M fy ES 砼C? fc ft 板厚h b 16.320 300 200000 25 12 1.3 120 ### 0.1371 ###### ##### M=1/8(1.2*Gk+1.4Qk)*l^2 5.641 以下计算弯矩,输入 Gk和Qk及跨度l 或者直接输入弯矩值计算配筋 s s b b 实配钢筋 242.8 ##### ##### 242.8 实配钢筋 587.5 ##### ##### 587.5 SA min SA SA min SA