Seismic effect anslysis of low-frequency acceleration pulse imposed on the half-through arch bridge

摘要：

　　By the ANSYS software,a CFST half-through arch bridge finite element model is established,and the nonlinear seismic effects about the structure are discussed.The research reveals that the excellence frequency of the input ground motion is not the only key factor to stimulate a larger earthquake response.More noteworthy phenomenon is that the lowfrequency acceleration pulse of the near-fault ground motions are enriched with lowfrequency pulse movement energy,and the seismic action is relatively stronger.It is found that the out-of-plane bending moment reaction of the main-span is relative complex,and the location of the connection site between the ribbed-arch and the trussed-arch is a dangerous section.

关键词： CFST half-through arch bridge near-fault ground motions earthquake spectrum characteristics

作者: Fan Xing Xiaofeng Li

作者单位: School of Civil Engineering,Southwest Jiaotong University,Chengdu,Sichuan,China Jiangxi tongji engineering design co.LTD.,Nanchang,Jiangxi,China

会议类型: 国际会议

会议名称: The 7th World Conference on Structural Control and Monitoring(7WCSCM)(第七届结构控制与监测世界大会)

会议地点: 青岛

会议语种:英文

页码: 984-989

在线出版日期: 2018-07-22（万方平台首次上网日期，不代表论文的发表时间）