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某异型钢管混凝土拱桥地震反应分析 被引量:2

Seismic Response Analysis of an Arch Bridge with Irregular Concrete-filled Steel Tube
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摘要 本文以某异型钢管混凝土拱桥为研究对象,通过ANSYS建立了结构的空间有限元模型,计算和分析了该桥的动力特性。同时,通过MATLAB程序生成拟合规范反应谱的人工地震波,并运用时程分析法计算了该桥在一维和多维输入下的地震反应,分析了该桥的地震反应规律,为钢管混凝土拱桥的抗震性能分析提供了一定的依据。 Based on an arch bridge with irregular concrete-filled steel tube,a 3-D spatial finite element model is built by ANSYS to complete the dynamic characteristic analysis.The artificial seismic wave is synthesized in accordance with code’s design response spectrum by MATLAB.Structural response of the CFST arch bridge under spatial one-dimensional and multi-dimensional seismic excitation is calculated and discussed by the time-history analysis method.
出处 《震灾防御技术》 2010年第3期346-351,共6页 Technology for Earthquake Disaster Prevention
基金 国家自然科学基金资助项目(项目编号:90715032) 北京市教育委员委员会科技计划重点项目(KZ200910005002)
关键词 异型钢管混凝土拱桥 动力特性 人工地震波 时程分析 Irregular CFST arch bridge Dynamic characteristic Artificial seismic wave Time-history analysis method
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参考文献6

  • 1李静斌,葛素娟,陈淮.5跨连续中承式钢管混凝土拱桥抗震性能分析[J].世界地震工程,2005,21(3):110-115. 被引量:22
  • 2刘声树,朱慈勉.钢管混凝土拱桥动力性能及抗震性能研究[J].交通科技,2008(2):9-12. 被引量:5
  • 3Haudhary D.J., Vishal C. Shelare, 2006. Seismic analysis of concrete filled steel tube composite bow-string arch bridge. Advances in Bridge Engineering, (3): 241-247.
  • 4Hirasawa M., Watabe M., 1992. Generation of Simulated Earthquake Motions Compatible with Multi-Damping Response Spectra. Proc 10th World Conf Earthq. Eng., Madrid, 2: 807-810.
  • 5Wu Qing-Xiong, Mistuhiro Yoshimura, Kazuo Takahashi et al., 2006. Nonlinear seismic properties of the Second Saikai Bridge: A concrete filled tubular (CFT) arch bridge. Engineering Structures, 28 (2): 163-182.
  • 6Zong Zhou-Hong, Bijaya Jaishi, Ge Ji-Ping et al., 2005. Dynamic analysis of a half-through concrete-filled steel tubular arch bridge. Engineering Structures, 27 (1): 3-12.

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