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多肢剪力墙自振频率传递矩阵法简化计算

, PP. 99-104

Keywords: 多肢剪力墙,连续体系模型,动力分析,自振频率,传递矩阵法

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Abstract:

基于连续体系模型与传递矩阵法的结合,提出了一种简化方法来计算多肢剪力墙的动力特性。整个结构体系等效模拟为一个夹层结构梁;建立了相应的基本微分方程;通过求解微分方程得到了楼层间变形函数;利用边界条件及层间变形函数导出了层间传递矩阵;据此计算出了体系的振型与自振频率。算例分析表明本文方法计算结果与文献给出的解是比较吻合的。

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