| 矩形截面裸拱线弹性稳定的临界荷载计算 |
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| 引用本文： | 徐美惠.矩形截面裸拱线弹性稳定的临界荷载计算[J].青海大学学报,2000,18(1):19-22. |
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| 作者姓名： | 徐美惠 |
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| 作者单位： | 青海大学建工系!西宁810016 |
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| 摘 要： | 在文「１」建立的用于钢管混凝土柱稳定分析的有限元列式的基础上，结合拱的受力特征，给出分析裸拱线弹性稳定问题的有限元方程，计算出静水压力下矩形截面圆弧拱线弹性稳定的各阶失隐模态及相应临界荷载。
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| 关 键 词： | 拱线弹性稳定 临界荷载 裸拱 钢管混凝土柱 |
The Calculation on Critical Load of Linearelastic Buckling of Bare Arch |
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| XU,Meihui.The Calculation on Critical Load of Linearelastic Buckling of Bare Arch[J].Journal of Qinghai University(Natural Science),2000,18(1):19-22. |
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| Authors: | XU Meihui |
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| Abstract: | Based on 3-Diso-parameter element in 1],and combining with arch assumptions,the degenerated 3 dimensional curved beam element concerning geometrical nonlinear was proposed,which can be used for analysis in critical load of linear-elastic buckling of bare arch. |
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| Keywords: | arch linear-elastic buckling critical load finite element method |
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