[1]廖平,赵人达,贾毅,等.双曲面摩擦摆支座参数对桥梁地震响应的影响[J].东南大学学报(自然科学版),2016,46(6):1251-1256.[doi:10.3969/j.issn.1001-0505.2016.06.024]
 Liao Ping,Zhao Renda,Jia Yi,et al.Effects of hyperbolic surface friction pendulum bearings’ parameters on seismic response of the bridge[J].Journal of Southeast University (Natural Science Edition),2016,46(6):1251-1256.[doi:10.3969/j.issn.1001-0505.2016.06.024]
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双曲面摩擦摆支座参数对桥梁地震响应的影响()
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《东南大学学报(自然科学版)》[ISSN:1001-0505/CN:32-1178/N]

卷:
46
期数:
2016年第6期
页码:
1251-1256
栏目:
交通运输工程
出版日期:
2016-11-20

文章信息/Info

Title:
Effects of hyperbolic surface friction pendulum bearings’ parameters on seismic response of the bridge
作者:
廖平1赵人达1贾毅1向星赟1王永宝1邱新林2庞立果2
1西南交通大学土木工程学院, 成都 610031; 2广东省南粤交通潮漳高速公路管理中心, 广州 510101
Author(s):
Liao Ping1 Zhao Renda1 Jia Yi1 Xiang Xingyun1 Wang Yongbao1Qiu Xinlin2 Pang Liguo2
1School of Civil Engineering, Southwest Jiaotong University, Chengdu 610031, China
2Chaozhang Expressway Management Center of Nanyue Communication in Guangdong Province, Guangzhou 510101, China
关键词:
桥梁工程 摩擦摆支座 栓钉剪断 参数分析 非线性时程分析法 滞回曲线
Keywords:
bridge engineering friction pendulum bearing stud rupture parameter analysis nonlinear time history analysis method hysteresis loop
分类号:
U442.55
DOI:
10.3969/j.issn.1001-0505.2016.06.024
摘要:
为研究粤东高烈度地区高速公路典型桥梁工程双曲面摩擦摆支座栓钉剪断后的桥梁地震响应特性,选取潮安韩江特大桥主桥为研究对象,采用有限元软件ANSYS建立全桥模型,并基于非线性时程分析法研究了固定支座参数对桥梁结构地震响应的影响.研究表明:栓钉对摩擦摆支座滞回曲线有显著的影响;摩擦摆支座摩擦系数、屈服位移对9#和15#桥墩地震响应影响较小,对固定墩地震响应影响较大,摩擦摆支座曲率半径对主桥所有桥墩地震响应均有较大的影响.建议摩擦摆支座设计时增大摩擦系数和屈服位移而适当减小曲率半径,以减小桥梁结构的地震响应.
Abstract:
In order to study the seismic response characteristics of typical highway bridge engineering after hyperbolic surface friction pendulum bearings’ stud fracture in the high earthquake intensity area of eastern Guangdong, Chao’an Hanjiang River Bridge was selected as the research object. The full bridge model was established by using the finite element software ANSYS, and then the effects of the fixed supports’ parameters on the seismic response of the bridge structure were studied based on the nonlinear time history analysis method. This research shows that the stud has a significant impact on the hysteresis loops of the friction pendulum bearing. The friction coefficient and the yield displacement of the friction pendulum bearing have a small effect on the seismic response of 9# and 15# piers but a great influence on the seismic response of the fixed piers, while the curvature radius of the friction pendulum bearing has a great influence on the seismic response of all piers of the main bridge. The friction coefficient and the yield displacement should be increased but curvature radius should be decreased in the friction pendulum bearing design in order to reduce the seismic response of the bridge structure.

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备注/Memo

备注/Memo:
收稿日期: 2016-04-22.
作者简介: 廖平(1989—),男,博士生;赵人达(联系人),男,博士,教授,博士生导师,rendazhao@163.com.
基金项目: 广东省交通厅科技计划资助项目(科技-2014-02-015).
引用本文: 廖平,赵人达,贾毅,等.双曲面摩擦摆支座参数对桥梁地震响应的影响[J].东南大学学报(自然科学版),2016,46(6):1251-1256. DOI:10.3969/j.issn.1001-0505.2016.06.024.
更新日期/Last Update: 2016-11-20