A、D点相同: 1/2×3.0×0.5×3.0×3.24×2+
0.5×(0.25×0.6×7.2×25+2×0.02×(0.6-0.1)×7.2×17+3.24×3.0×(7.2-1.5))
=7.29×2+42.43=57.01KN
中间层边节点集中荷载: GA=GD=156.94KN
中柱连系梁自重: 22.5KN 粉刷: 2.04KN 内纵墙自重: ( 6-0.6)×(3.6-0.6)×0.24×19=73.87KN 粉刷: (6-0.6)×(3.6-0.6)×2×0.02×17=11.02KN 扣除门洞重加上门重:
-2.4×0.9×(19×0.24+17×2×0.02-0.2)=-10.88 KN
框架柱自重: 35.1 KN 粉刷: 2.55 KN 连系梁传来楼面自重:
B、C点相同: 1/2×3.0×0.5×3.0×3.24×2+3.24×(6-1.8)×1.8+
0.5×(0.25×0.6×7.2×25+2×0.02×(0.6-0.1)×7.2×17+3.24×3.0×(7.2-1.5))
=14.58+24.49+42.43=81.5KN
中间层中节点集中荷载: GB=GC=217.7KN 其中:G5A= G5D=119.03 KN
G5B= G5C=129.53 KN GA= GD=156.94 KN GB= GC=217.7 KN g5AB1= g5CD1=6.61 KN/m g5AB2= g5CD2=13.14 KN/m g5BC2=15.77KN/m g5BC1=6.61KN/m gAB1 = gCD1 =19.59 KN/m gBC1=19.59KN/m gAB2 = gCD2 =9.72KN/m
11
gBC2=11.66KN/m
.1.4.3屋、楼面活荷载计算
屋、楼面活荷载作用下的荷载值计算如下: P5AB=P5CD= 0.5×3=1.5KN/m P5BC=0.5×3.6=1.8 KN/m
P5A=P5D=0.5×3.0×0.5×3.0×0.5×2=2.25KN
P5C=P5B=1/2×3.0×0.5×3.0×0.5×2+0.5×(6-1.8)×1.8=6.03KN PAB=PCD= 2.5×3.0=7.5KN/m PBC=2.5×3.6=9 KN/m
12
PA=PD=0.5×3.0×0.5×3.0×2.5×2=11.25KN
PC=PB=1/2×3.0×0.5×3.0×2.5×2+2.5×(6-1.8)×1.8=30.15KN
2.1.4.4 将梯形荷载和三角形荷载化为等效均布荷载 则有:
g5AB= g5CD=6.61+(1-2×0.20832+0.20833)×13.14=18.73 KN/m g5BC=6.61+(1-2×0.52+0.53)×15.77=16.47KN/m
gAB= gCD =19.59 +(1-2×0.20832+0.20833)×9.72=28.85KN/m gBC=19.59+(1-2×0.52+0.53)×11.66=26.87KN/m P5AB=P5CD=(1-2×0.20832+0.20833)×1.5=1.38 KN/m P5BC=(1-2×0.52+0.53)×1.8=1.13KN/m
13
PAB=PCD=(1-2×0.20832+0.20833)×7.5=6.92KN/m PBC=(1-2×0.52+0.53)×9=5.63KN/m
14
2.1.4.2恒、活载标准值
屋面恒载标准值为:
(48+0.24)×(7.2+3.6+7.2+0.24)×4.38=3853.95KN
楼面恒载标准值为:
(48+0.24)×(7.2+3.6+7.2+0.24)×3.24=2850.87KN
屋面活载标准值为:
15