| 考虑p-?效应的连续钢构桥静力弹塑性稳定分析 |
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| 引用本文： | 刘菁华.考虑p-?效应的连续钢构桥静力弹塑性稳定分析[J].交通节能与环保,2019,15(4):103-105. |
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| 作者姓名： | 刘菁华 |
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| 作者单位： | 中设设计集团股份有限公司,江苏 南京,210000 |
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| 摘 要： | 本文以陕西省榆林市某铁路大桥为工程背景,建立相应模型,分别研究了两种非线性作用下桥梁的地震反应。结果表明,当桥梁结构遭遇强震情况下,考虑桥梁的P-Δ效应是一个复杂的几何非线性和材料非线性问题,本文对P-Δ效应下的大跨钢构桥稳定指标进行了相关的计算和研究,并提出了一些思考和建议。
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| 关 键 词： | 钢构桥 稳定分析 弹塑性 p-?效应 |
Static Elastoplastic Stability Analysis of Continuous Steel bridge Considering p-effect |
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| LIU Jinghua.Static Elastoplastic Stability Analysis of Continuous Steel bridge Considering p-effect[J].Marine Energy Saving,2019,15(4):103-105. |
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| Authors: | LIU Jinghua |
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| Institution: | (June Design Group Co.,Ltd.,Nanjing Jiangsu 210000,China) |
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| Abstract: | This paper establishes a corresponding model based on a railway bridge in Yulin City,Shaanxi Province,and studies the seismic response of bridges under two nonlinear effects.The results show that when the bridge structure encounters strong earthquakes,considering the P-Δ effect of the bridge is a complex geometric nonlinearity and material nonlinear problem.In this paper,the stability index of the large span steel bridge under the P-Δ effect is correlated.The calculations and research,and some thoughts and suggestions. |
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| Keywords: | steel bridge stability analysis elastoplasticity p-effect |
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