市政技术2024，Vol.42Issue(3)：1-7,27,8.DOI:10.19922/j.1009-7767.2024.03.001
矩形空心桥墩抗震性能研究
Research on the Seismic Performance of Rectangular Hollow Bridge Pier
摘要
Abstract
In order to study the seismic behavior of rectangular hollow bridge piers under horizontal earthquake,pseudo-static tests of two bridge piers with different axial compression ratios under constant vertical loads were carried out.The seismic performance indexes such as stiffness degradation,bearing capacity,energy dissipation capacity and ductility coefficient were also studied.The seismic performance law was verified by ABAQUS finite element software.The results show that the failure mode is bending failure at the bottom of plastic hinge area;ABAQUS sim-ulation results are in good agreement with experimental values,and good verify and supplement the experimental values;The larger axial compression ratio forms stronger constraints,limits the development of concrete cracks of bridge piers,and improves the bearing capacity and stiffness of bridge piers;The energy dissipation capacity and ductility coefficient of specimens with large axial compression ratio are low.关键词
矩形空心桥墩/抗震性能/轴压比/拟静力试验/数值模拟Key words
rectangular hollow bridge pier/seismic performance/axial compression ratio/pseudo-static test/nu-merical simulation分类
交通运输引用本文复制引用
黄捷,陈明琦,王利辉..矩形空心桥墩抗震性能研究[J].市政技术,2024,42(3):1-7,27,8.基金项目
国家自然科学基金项目(51978357) （51978357）
