| 横向刚度对斜腿刚构桥线性稳定性的影响 |
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| 引用本文： | 梁学锋.横向刚度对斜腿刚构桥线性稳定性的影响[J].山西交通科技,2014(1):69-71. |
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| 作者姓名： | 梁学锋 |
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| 作者单位： | 山西路桥第二工程有限公司,山西临汾041051 |
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| 摘 要： | 采用线性稳定性理论计算斜腿刚构桥的稳定性特征,讨论了支座处横向约束刚度和斜腿横向倾斜角度对结构稳定性的影响。分析结果显示,桥梁整体稳定性对横向刚度的变化较敏感,将桥台支座横向刚度简化为无穷大是不安全的,增加横向刚度总体上有利于保证斜腿刚构桥的稳定性。
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| 关 键 词： | 斜腿刚构桥 线性稳定性 横向刚度 影响 |
The Influence of the Lateral Stiffness on the Linear Stability of Slant Legged Rigid Frame Bridge |
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| LIANG Xue-feng.The Influence of the Lateral Stiffness on the Linear Stability of Slant Legged Rigid Frame Bridge[J].Shanxi Science & Technology of Communications,2014(1):69-71. |
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| Authors: | LIANG Xue-feng |
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| Institution: | LIANG Xue-feng (The Second Engineering Co., Ltd, Shanxi Road ＆ Bridge Group, Linfen, Shanxi 041051, China) |
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| Abstract: | This paper calculated the stability characteristics of the slant legged rigid frame bridge by using the linear stability theory. It also discussed the influence of the lateral restraint stiffness at the bearing place and slant legged lateral inclination on the stability of the structure. |
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| Keywords: | slant legged rigid frame bridge linear stability lateral stiffness influence |
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