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钢管混凝土叠合柱式桥墩弹塑性抗震分析

Seismic Analysis of Bridge Composite Columnar Pier with Concrete-filled Steel Tube on Elasto-plasticity Model

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【作者】 曾彦潘丽云赵顺波

【Author】 ZENG Yan,PAN Li-yun,ZHAO Shun-bo(Department of Civil Engineering,North China University of Water Conservancy and Hydroelectric Power,Zhengzhou 450011,China)

【机构】 华北水利水电学院土木与交通学院

【摘要】 运用有限元程序Midas/civil对钢管混凝土叠合柱桥墩在E1、E2地震作用下的抗震性能进行弹塑性分析,并与因阻水超限而不便采用的钢筋混凝土桥墩的计算结果进行比较.结果表明钢管混凝土叠合柱桥墩的承载、延性性能均优于钢筋混凝土桥墩.该结论能为同类桥梁在偶遇荷载作用下的设计提供参考,同时为在桥梁下部结构中采用钢管混凝土叠合柱的新的设计理念提供有利支持.

【Abstract】 Elastic-plasticity analysis about composite column with concrete-filled steel tube bearing earthquake action E1 and E2 is carried out.The results are compared with the ordinary reinforced concrete column which isn’t adapted to use because of super limit baffling water according to the objective need about the project.The ultimate bearing capacity and ductility function are superior to theirs of reinforced concrete pier.The conclusion can be referenced for the design of similar bridge under the accidentally load.In the meantime,the conclusion can provide the beneficial support that the new design thought of composite column with concrete-filled steel tube used in the bridge’s substructure.

  • 【文献出处】 信阳师范学院学报(自然科学版) ,Journal of Xinyang Normal University(Natural Science Edition) , 编辑部邮箱 ,2011年03期
  • 【分类号】U443.22;U441.3
  • 【被引频次】6
  • 【下载频次】104
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