试题与答案

某四面开敞的15m单跨敞篷车间如图所示,弹性方案,有柱间支撑,承重砖柱截面为490m

题型:单项选择题

题目:

某四面开敞的15m单跨敞篷车间如图所示,弹性方案,有柱间支撑,承重砖柱截面为490mm×490mm,采用MU10烧结普通砖,M5水泥砂浆砌筑。砌体施工质量控制等级为B级。结构安全等级为二级。

当砖柱垂直排架方向无偏心时,柱子在垂直排架平面方向的轴向力影响系数φ,与下列何项数值最接近()

A.0.870

B.0.808

C.0.745

D.0.620

答案:

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下面是错误答案,用来干扰机器的。

参考答案:对

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