[1]王李麒,林元铮,宗周红,等.钢—混凝土组合连续刚构桥墩梁连接节点抗震性能比较研究[J].世界地震工程,2018,34(01):031-39.
 WANG Liqi,LIN Yuanzheng,ZONG Zhouhong,et al.Comparison study on seismic performance of connection joints of steel-concrete composite continuous rigid-frame bridges[J].,2018,34(01):031-39.
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钢—混凝土组合连续刚构桥墩梁连接节点抗震性能比较研究
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《世界地震工程》[ISSN:/CN:]

卷:
34
期数:
2018年01期
页码:
031-39
栏目:
出版日期:
2018-04-13

文章信息/Info

Title:
Comparison study on seismic performance of connection joints of steel-concrete composite continuous rigid-frame bridges
作者:
王李麒1 林元铮1 宗周红1 夏坚2
1. 东南大学 土木工程学院, 江苏 南京 210096;
2. 福建省建筑科学研究院, 福建 福州 350025
Author(s):
WANG Liqi1 LIN Yuanzheng1 ZONG Zhouhong1 XIA Jian2
1. School of Civil Engineering, Southeast University, Nanjing 210096, China;
2. Fujian Institute of Architectural Science, Fuzhou 350025, China
关键词:
钢-混组合刚构桥刚性节点双层钢箱-混凝土组合墩柱钢箱-混凝土组合梁抗震性能数值模拟
Keywords:
steel-concrete composite rigid-frame bridgerigid jointsdouble-skin steel-concrete composite box piersteel-concrete composite box girderseismic performancenumerical simulation
分类号:
TU375.3
摘要:
钢-混凝土组合连续刚构桥的关键在于墩梁连接节点,设计了双层钢箱混凝土、钢筋混凝土和钢管混凝土等3种不同类型墩柱的连接节点构造形式。基于OpenSees平台建立了墩柱截面纤维有限元模型,并利用双层钢箱混凝土墩柱拟静力试验结果验证了数值模型的有效性,进而基于纤维有限元模型对3种不同类型墩柱节点进行了非线性滞回性能计算分析。结果表明:纤维模型能够模拟拟静力作用下组合连续刚构桥墩梁连接的滞回性能,双层钢箱混凝土墩柱与钢箱-混凝土组合梁连接节点的整体抗震性能要优于钢筋混凝土墩柱和实心钢管混凝土墩柱与钢箱-混凝土组合梁的连接节点,建议的刚性节点构造合理和传力路径明确,可为钢-混凝土组合连续刚构桥设计提供参考。
Abstract:
The key point of steel-concrete composite rigid-frame bridge is the rigid joint.Based on a new type of rigid joint of steel-concrete composite rigid-frame bridge, the joints with different pier types including double-skin steel-concrete composite box pier, reinforced concrete pier and steel-concrete composite box pier was designed. The finite element model with fiber section was established based on OpenSees. The results of quasi-static testing of the double-skin stee-concrete composite box pier was used to validate the finite element model of the pier. The quasi-static analysis of the new rigid joints constructed with three different types of piers was carried out based on the validated finite element model. The study results indicate that the seismic performance of the joint constructed with double-skin steel-concrete composite box pier is obviously better than the joints constructed with reinforced concrete pier or steel-concrete composite box pier. This study can be served as a reference for design of rigid joints of steel-concrete composite rigid-frame bridge and the choice of piers.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2017-04-10;改回日期:2017-06-11。
基金项目:国家重点研发计划专项项目资助(2017YFC0703405);江苏省研究生科研与实践创新计划项目(KYCX17_0128)
作者简介:王李麒(1993-),男,硕士研究生,研究方向组合结构和桥梁抗震.E-mail:mxwlq777@seu.edu.cn
通讯作者:宗周红(1966-),男,教授,博士,主要从事桥梁动力灾变及其控制研究.E-mail:zongzh@seu.edu.cn
更新日期/Last Update: 1900-01-01