| 大跨度桥梁桩基抗震简化模式的分析与探讨 |
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| 引用本文： | 刘伟岸,叶爱君,王斌斌.大跨度桥梁桩基抗震简化模式的分析与探讨[J].结构工程师,2007,23(1):51-55,90. |
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| 作者姓名： | 刘伟岸 叶爱君 王斌斌 |
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| 作者单位： | 同济大学桥梁工程系,上海,200092 |
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| 摘 要： | 以苏通大桥为例,通过分析比较工程上常用的6弹簧模型、等效嵌固模型和集中质量模型以及弹性嵌固模型得出各模型的优缺点,并发现弹性嵌固模型能较好地模拟桩土相互作用下桩基的地震动反应.
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| 关 键 词： | 桩基 大跨度桥梁 桩土相互作用 弹性嵌固模型 阻抗矩阵 大跨度 桥梁 桩基抗震 简化 模式 分析 Bridges Pile Foundation Modes Seismic 地震动反应 桩土相互作用 模拟 发现 弹性嵌固 集中质量模型 弹簧模型 工程 比较 苏通大桥 |
| 收稿时间： | 2006-01-04 |
| 修稿时间： | 2006-01-04 |
Discussion on Seismic Simplified Modes of Pile Foundation in Long-Span Bridges |
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| LIU Weian,YE Aijun,WANG Binbin.Discussion on Seismic Simplified Modes of Pile Foundation in Long-Span Bridges[J].Structural Engineers,2007,23(1):51-55,90. |
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| Authors: | LIU Weian YE Aijun WANG Binbin |
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| Affiliation: | Department of Bridge Engineering, Tongji University, Shanghai 200092, China |
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| Abstract: | In the seismic analysis of pile foundation, the soil-pile-structure interaction has been always a complicated issue. Taking Sutong bridge as an example, the common seismic models like 6-spring model, equivalent fixed model, lumped-mass model and elastic fixed model have been analyzed and compared in this paper. And it has been concluded that elastic fixed model can better simulate seismic responses of the pile foundation under the soil-pile-structure interaction. |
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| Keywords: | pile foundation long-span bridge soil-pile-structure interaction elastic fixed model impedance matrix |
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