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简述现行抗震规范计算地震作用所采用的三种计算方法及其适用范围。
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简述现行抗震规范计算地震作用所采用的三种计算方法及其适用范围。
时间:2022-02-27 09:48
关键词:
建筑结构抗震设计
土木建筑工程
大学试题
工学
安全知识安全生产知识竞赛
防震减灾知识竞赛
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<p> 现行抗震规范计算地震作用所采用的三种计算方法为:底部剪力法,振型分解反应谱法和时程分析法。适用条件:<br> (1)高度不超过40米,以剪切变形为主且质量和刚度沿高度分布比较均匀的结构,以及近似于单质点体系的结构,可采用底部剪力法计算。<br> (2)除上述结构以外的建筑结构,宜采用振型分解反应谱法。<br> (3)特别不规则的建筑、甲类建筑和规范规定的高层建筑,应采用时程分析法进行补充计算。</p>
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