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翼缘削弱型端板连接节点抗震性能分析

DOI: 10.13197/j.eeev.2015.02.157.yangyh.019, PP. 157-165

Keywords: 梁柱端板连接,翼缘削弱,有限元,滞回性能,耗能系数

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Abstract:

为克服梁柱外伸式端板连接节点抗震性能的不足,论文提出了梁翼缘削弱型外伸式端板连接节点这种新的节点形式.应用ANSYS有限元对此种节点进行了非线性单调和滞回有限元分析.研究了端板厚度、端板上螺栓数量、翼缘削弱尺寸(削弱区起始位置、削弱区长度、最大深度)对节点承载力、塑性铰形成规律以及滞回性能的影响.结果表明所提出的梁柱外伸式端板连接节点的抗震性能优于普通外伸式端板连接节点;选择合理削弱参数可以有效地提高外伸式端板连接节点的抗震性能,克服其不足.

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