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梁柱偏心矩增大系数的非线性有限元分析 被引量:1

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摘要 设计规范中,梁柱截面抗弯设计的偏心矩增大系数通过荷载偏心率和构件长细比两个参数确定,相关近似计算公式的建立存在多个假设前提。全面考虑几何非线性和材料非线性效应,采用非线性有限元方法对不同荷载偏心率和构件长细比的12组构件进行极限承载力分析,计算得到控制截面的弯矩放大系数,继而通过与规范公式结果的对比讨论得到相关规律性结果。
出处 《公路》 北大核心 2014年第10期167-170,共4页 Highway
基金 广东省交通运输厅科技项目 项目编号:200627
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