当高层建筑结构采用时程分析法进行补充计算所求得的底部剪力小于底部剪力法或振型分解反应谱法求得的底部剪力的 80 ％时，其底部剪力应按下列何值取用？（） -题库考试答案搜索网

当高层建筑结构采用时程分析法进行补充计算所求得的底部剪力小于底部剪力法或振型分解反应谱法求得的底部剪力的 80 ％时，其底部剪力应按下列何值取用？（）

单选题

2021-07-17 23:50

A、<span style="font-size:14px;font-family:宋体">按</span><span style="font-size:14px;font-family:'Times New Roman'">90</span><span style="font-size:14px;font-family:宋体">％取用</span>
B、<span style="font-size:14px;font-family:宋体">至少按</span><span style="font-size:14px;font-family:'Times New Roman'">80</span><span style="font-size:14px;font-family:宋体">％取用</span>
C、<span style="font-size:14px;font-family:宋体">至少按</span><span style="font-size:14px;font-family:'Times New Roman'">75</span><span style="font-size:14px;font-family:宋体">％取用</span>
D、<span style="font-size:14px;font-family:宋体">至少按</span><span style="font-size:14px;font-family:'Times New Roman'">85</span><span style="font-size:14px;font-family:宋体">％取用</span>

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正确答案

B

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标签：土木工程专升本高层建筑结构 2019级毕业清考（考试分） 2020年第二学期补考

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