[1]刘龄嘉,邵妍,贺拴海..公路桥梁横向防落梁设施抗震性能评价[J].郑州大学学报(工学版),2013,34(06):72-75.[doi:10.3969/j.issn.1671-6833.2013.06.018]
　LIU Lingjial,SHAO Yan,HE Shuanhai.Seismic Behavior Evaluation for HighwayBridge’S Side Retainer[J].Journal of Zhengzhou University (Engineering Science),2013,34(06):72-75.[doi:10.3969/j.issn.1671-6833.2013.06.018]
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公路桥梁横向防落梁设施抗震性能评价()
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《郑州大学学报(工学版)》[ISSN:1671-6833/CN:41-1339/T]

卷:
34
期数:
2013年06期
页码:
72-75
栏目:
出版日期:
2013-12-30

文章信息/Info

Title:
Seismic Behavior Evaluation for HighwayBridge’S Side Retainer
作者:
刘龄嘉; 邵妍; 贺拴海.
长安大学桥梁与隧道陕西省重点实验室,陕西西安,710064, 西安市市政设施管理局,陕西西安,710016
Author(s):
LIU Ling．jial; SHAO Yan2; HE Shuan．hai1
1.KeyLaboratory ofBridge andTunnelofShaanxi，Chang’an University，Xi’an710064，China；2．Xi’an MunicipalAdministration of Facilities，Xi’an 710016，China
关键词:
桥梁工程;  简支梁;  横向挡块;  抗震性能评价
Keywords:
ridge engineering; simply—supported beam; sideretainer; aseismic behaviorevaluation
分类号:
448.214
DOI:
10.3969/j.issn.1671-6833.2013.06.018
文献标志码:
A
摘要:
为了研究梁式桥梁结构横向防落梁设施的受力性能,以公路装配式简支T梁、空心板梁和小箱梁横向防落梁挡块为研究对象,采用ANSYS软件用combin40单元模拟横向档块,分析了其在不同地震动加速度峰值下的受力行为;通过钢筋混凝土挡块极限状态破坏分析确定了其最大承受撞击荷载.结果表明:公路装配式简支梁桥现行设计中常采用的钢筋混凝土横向防落梁挡块在桥梁运营期间能起到很好的横向限位作用,但其抗震能力较低,在地震动加速度峰值超过0.05 g时将开裂破坏.
Abstract:
In order to study the mechanical behavior of the reinforced concrete side retainer in the beam bridge，T·beam，three fabricated types of highway bridge，which are hollow—slab andbox—girder bridge，are taken as the object．Using combin40 elementofANSYSsoftwarewasemployed to simulate side retainer to analyze the dynamic behavior of the side retainer in the different peak acceleration of ground motion，and the maximum impact capacity of side retainerwasfixed by its ultimate capacity failure analysis．The results indi— cate that the concrete reinforced side retainer is only effective during its normalservice period．butwill break downwhen it is subject to 0．05 g peak acceleration of ground motion．

参考文献/References:

[1]聂利英,范立础.地震作用下城市立交抗震挡防撞措施分析[J].中国公路学报,2006,19(3 ) :49 - 53.

[2]朱文正,刘健新.限位装置静力设计研究[J]．公路交通科技,2006,23(3): 65 - 69.

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更新日期/Last Update: 1900-01-01