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author:

张培权 (张培权.) [1] | 薛俊青 (薛俊青.) [2] | Briseghella Bruno (Briseghella Bruno.) [3] | 陈宝春 (陈宝春.) [4]

Abstract:

为了解决桥梁伸缩缝和支座的耐久性问题,整体式桥台桥梁应用越来越广泛。由于整体式桥台桥梁上、下部结构固接在一起,共同承受荷载和作用,所以选择合理的桩基形式成为全整体式桥台桥梁设计的关键问题。本文以河北某全整体式桥台桥梁桩基设计为工程背景,采用MIDAS/CIVIL软件,考虑结构—土相互作用和施工阶段,建立有限元模型,分析不同桩基形式对于桥梁受力性能的影响。研究结果表明:对于圆形截面桩,桩基直径越大,桩的应力和位移越小,但桥台处主梁负弯矩和拉应力越大;保持桩基数量不变,采用圆形截面桩基时,桩基应力和桥台处主梁负弯矩及拉应力均较矩形截面有利;对于矩形截面桩,随着长宽比的增大,桥台处主梁负弯矩和拉应力...

Keyword:

参数分析 整体式桥台桥梁 桩基形式 桩基础

Community:

  • [ 1 ] 福州大学土木工程学院

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Year: 2014

Language: Chinese

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ESI Highly Cited Papers on the List: 0 Unfold All

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30 Days PV: 2

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