1.恒载
厚 30 × =
厚 20 × =
厚 25 × =
厚 17 × =
gk =
2.活载
标准值 k N/㎡
可变荷载效应起控制作用 γG = 1.2 γQ =
1.2 × =
1.3 × =
p=g+q = 5.39 + =
5.39 + =
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 =3
75
一、板的荷载计算
C = 25
HRB
1.3
3
钢筋混凝土结构双向板配筋简易计算
335 HRB(235,335,400) 纵筋强度等级
0.15
0.255 kN/㎡0.015
钢筋混凝土