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基于地震响应时程的多层轻钢结构特性

Keywords: 结构工程,多层轻钢结构,地震响应,结构特性,时程曲线

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Abstract:

通过对轻钢结构的地震响应特征进行研究,采用有限元方法对轻钢结构模型进行非线性地震响应分析,研究顶层位移和其他各层位移的变化,比较60,100,120,160mm几种不同厚度楼板的地震波响应,得到计算模型的应变、应力关系。研究结果表明不同厚度楼板对相同的地震波有不同的地震响应,当楼板厚度为120mm和160mm时,对地震波产生的响应最为强烈;多层轻钢结构具有很好的剪切变形;在多层结构设计时,应该根据具体要求定性分析和定量计算楼板厚度对抗震性能的影响。

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