大连长山矮塔斜拉桥抗震性能三维数值分析

崔春义; 孟坤; 程学磊; 杨刚

doi:10.13409/j.cnki.jdpme.2017.03.001

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大连长山矮塔斜拉桥抗震性能三维数值分析

更新时间：2025-12-11

- 大连长山矮塔斜拉桥抗震性能三维数值分析
- 3D Numerical Analyses of Seismic Behavior of Changshan Long Span Extradosed Cable-stayed Bridge
- 防灾减灾工程学报 2017年37卷第3期页码：335-340
- 作者机构：
- 作者简介：
- 基金信息：
  
  国家自然科学基金面上项目（51578100）;辽宁省教育厅一般项目（L2013305）;中央高校基本科研业务费项目（3132014326,3132017022）资助
- DOI：10.13409/j.cnki.jdpme.2017.03.001
  中图分类号： 442.55;U448.27
- 纸质出版：2017
- 稿件说明：
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[1]崔春义,孟坤,程学磊,杨刚.大连长山矮塔斜拉桥抗震性能三维数值分析[J].防灾减灾工程学报,2017,37(03):335-340.

崔春义, 孟坤, 程学磊, et al. 3D Numerical Analyses of Seismic Behavior of Changshan Long Span Extradosed Cable-stayed Bridge[J]. 2017, 37(3): 335-340.
[1]崔春义,孟坤,程学磊,杨刚.大连长山矮塔斜拉桥抗震性能三维数值分析[J].防灾减灾工程学报,2017,37(03):335-340. DOI： 10.13409/j.cnki.jdpme.2017.03.001.

崔春义, 孟坤, 程学磊, et al. 3D Numerical Analyses of Seismic Behavior of Changshan Long Span Extradosed Cable-stayed Bridge[J]. 2017, 37(3): 335-340. DOI： 10.13409/j.cnki.jdpme.2017.03.001.

摘要

为进一步认识矮塔斜拉桥地震动力响应特性

以大连长山矮塔斜拉桥为具体工程背景

采用ADINA三维实体单元模拟桥梁结构与桩基

全面考虑预应力钢筋作用和桩土相互作用影响

通过建立全桥大规模三维动力分析数值模型

针对桥梁结构-桩基-地基相互作用体系分别进行了地震反应谱分析、弹性和弹塑性动力时程分析

并对桥梁结构体系抗震性能进行了系统评价

计算结果表明:桥梁体系关键控制截面抗震强度和变形均满足规范要求

主墩位置易发生较大塑性变形;对矮塔斜拉桥等特殊桥梁进行抗震设计时

宜进行考虑主墩结构弹塑性影响的控制截面变形校核。

Abstract

With the aim of further understanding of dynamic response characteristics of extradosed cable-stayed bridge

a large scale three-dimensional numerical model is established by considering pile-soil interaction and effects of pre-stressed rebar based on ADINA under the engineering background of the Changshan bridge.Furthermore

three dimensional numerical analyses with earthquake response spectrum method and elastic and elasto-plastic dynamic time-history methods are employed and the seismic performance of the whole interaction system of bridge is evaluated.The numerical results show that deformation and strength at control sections meet the requirements of the code for seismic design of bridge

and considerable plastic deformation may occur at main piers.Thus

elasto-plastic deformation check at control sections of structure should be performed for seismic design of extradosed cable-stayed bridge.

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references

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