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下列取值或取法,哪些是正确的? ( )

单选题
2021-09-01 16:23
A、本层楼盖梁传至墙的支承压力,其作用点位于距墙内边为0.4α。处。
B、层刚性方案的房屋,作用在外纵墙上的风荷载,弯矩近似按M=l/12qHi2计算。
C、层为坡屋顶的横墙,计算高度H取层高加山墙尖高。
D、墙承重的多层房屋,控制截面取每层的底部截面。
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正确答案
B

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