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U型拱梁失稳有限元分析
Authors
徐永君
桂晓明
赵斌
Publication date
1 January 2011
Publisher
Abstract
U型拱梁在隧道支护和矿山巷道支护中应用广泛,实际工程中的地压作用以及注浆加固过程中产生的集中力都可能引起支架的失稳破坏。本文利用有限元数值分析软件ANSYS采用我们提出的瞬态分析计算失稳临界载荷方法对不同对称位置受径向集中力作用的U型钢拱梁的稳定性进行了研究,并分别采用特征值屈曲分析和几何非线性分析方法进行了分析,将得到的失稳临界荷载值进行了对比分析。研究结果为工程应用提供了可行方法和理论依据
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Institute Of Mechanics,Chinese Academy of Sciences
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Last time updated on 12/02/2018