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节点刚度对单层柱面网壳地震响应及内力的影响分析

, PP. 47-52

Keywords: 节点刚度,焊接空心球,壳单元,单层柱面网壳,地震响应

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Abstract:

论文首先采用壳单元Shell163建立了单层柱面网壳模型,同时利用壳单元模拟了焊接空心球节点,并通过计算验证了模拟方法的合理性。然后,通过调节空心球节点的厚度,考察了节点刚度变化对单层柱面网壳地震响应的影响,分析结果表明,在强震作用下节点刚度变化对网壳节点响应与杆件内力的影响均较大,建议在进行此类结构的动力分析时考虑节点刚度的影响。

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