采用M5级的砂浆,fV0?0.11N/mm2,?0/fV0?0.0876/0.11?0.80 查表7-8得,?N?0.96
1?RE?NfV0A43?1?0.96?0.11?1.35?106?118.8kN?V43?66.7kN 1.2满足要求 二层
全部横墙向抗侧力墙体横截面面积为:
A2?5.64?0.24?11?14.89m2
轴线③横墙横截面面积为:
A23?5.64?0.24?1.35m2
楼层总面积为:
F2?7.2?36?259.2m2
轴线③横墙的重力荷载从属面积为:
F43?7.2?3.6?25.92m2
由式,得轴线③横墙所承担的水平地震剪力为:
F?1?A1?1.3525.92?V23??23?23??EhV2k????1.3?872?108.07kN
2?A2F2?2?14.89259.2??轴线③横墙每米长度上所承担的竖向荷载(在该层的半高处)为:
N?3.22?3.6?5.24?3.6?2.5?4.22?3.6?2?89.136kN
轴线③横墙横截面的平均压应力为:
89136?0.3714N/mm2
240?1000采用M5级的砂浆,fV0?0.11N/mm2,?0/fV0?0.3714/0.11?3.377
?0?查表7-8得,?N?1.322
1?RE一层
?NfV0A23??1.322?0.11?1.35?106?196.32kN?V23?108.07kN
11满足要求
全部横墙向抗侧力墙体横截面面积为:
A1?5.64?0.24?11?14.89m2
轴线③横墙横截面面积为:
A13?5.64?0.24?1.35m2
楼层总面积为:
F1?7.2?36?259.2m2
轴线③横墙的重力荷载从属面积为:
F13?7.2?3.6?25.92m2
由式,得轴线③横墙所承担的水平地震剪力为:
1?A13F13?1?1.3525.92?V13?????EhV1k????1.3?975?120.83kN ?2?A1F1?2?14.89259.2?轴线③横墙每米长度上所承担的竖向荷载(在该层的半高处)为:
N?3.22?3.6?5.24?3.6?3.5?4.22?3.6?3?123.2kN
轴线③横墙横截面的平均压应力为:
123200?0.514N/mm2
240?1000采用M7.5级的砂浆,fV0?0.14N/mm2,?0/fV0?0.514/0.14?3.67
?0?查表7-8得,?N?1.3537
1?RE?NfV0A13??1.3537?0.15?1.35?106?274.1kN?V13?120.83kN
11满足要求