Study on Seismic Mitigation Effect of Cable-Stayed Bridge Subjected to Near Fault Ground Motions

被引：1
|
作者：
Zhang, Chao [1 ,2 ]
Lu, Jianbing [1 ]
Xu, Li [1 ]
Jia, Hongyu [3 ]
机构：
[1] Fuzhou Univ, Coll Civil Engn, Fuzhou 350116, Fujian, Peoples R China
[2] Beijing Univ Technol, Key Lab Urban Secur & Disaster Engn MOE, Beijing 100124, Peoples R China
[3] Southwest Jiaotong Univ, Sch Civil Engn, Chengdu 610031, Sichuan, Peoples R China
来源：
2018 3RD INTERNATIONAL CONFERENCE ON SMART CITY AND SYSTEMS ENGINEERING (ICSCSE) | 2018年
关键词：
Near-Fault Ground Motion (NFGM); Cable Stayed Bridge; Elastic Restraint System (ERS); Viscous Damper System (VDS); Floating System (FS);
D O I：
10.1109/ICSCSE.2018.00034
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
In order to investigate the influence near-fault ground motion (NFGM) on seismic performance of the elastic restraint system (ERS) and the viscous damper system (VDS) of cable-stayed bridge (CSB). A number of NFGMs from different earthquake events were selected as excitations. The nonlinear time history analysis are carried out based on the finite element model of a long span CSB. The seismic analysis studies show NFGMs of the ChiChi earthquake lead to larger seismic response than the Imperial Valley earthquake. The NFGMs with large velocity pulse may enlarge both the internal force and deformation response of the ERS and VDS. The VDS can always get a better performance than the floating system (FS) under NFGMs from different earthquake events. However, the ERS may cause larger internal forces responses when suffered from NFGMs of ChiChi earthquake with or without velocity pulse.
引用
收藏
页码：134 / 139
页数：6
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