| 钢管混凝土拱桥非线性地震响应分析 |
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| 引用本文： | 严琨,周亦唐,李睿. 钢管混凝土拱桥非线性地震响应分析[J]. 交通标准化, 2008, 0(5): 73-76. DOI: 10.3869/j.issn.1002-4786.2008.05.020 |
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| 作者姓名： | 严琨 周亦唐 李睿 |
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| 作者单位： | 昆明理工大学建筑工程学院,云南,昆明,650224;昆明理工大学建筑工程学院,云南,昆明,650224;昆明理工大学建筑工程学院,云南,昆明,650224 |
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| 摘 要： | 以某中承式钢管混凝土系杆拱桥为研究对象，采用双单元法建立的空间结构有限元分析模型，可用于计算和分析该桥的动力特性，同时可运用时程分析法计算出钢管混凝土拱桥的非线性地震响应，从而有助于分析研究其几何非线性、材料非线性及几何材料非线性对结构地震响应的影响。
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| 关 键 词： | 钢管混凝土拱桥 非线性 自振特性 地震响应 |
Nonlinear Seismic Response Analysis of CFST Arc Bridge |
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| YAN Kun,ZHOU Yi-tang,LI Rui. Nonlinear Seismic Response Analysis of CFST Arc Bridge[J]. Communications Standardization, 2008, 0(5): 73-76. DOI: 10.3869/j.issn.1002-4786.2008.05.020 |
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| Authors: | YAN Kun ZHOU Yi-tang LI Rui |
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| Affiliation: | (Faculty of Civil and Architectural Engineering, Kunming University of Science and Technology, Kunming 650224, China) |
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| Abstract: | A large-span half-through concrete filled steel tubular（CFST） arch bridge is studied in this paper, and the dynamic characteristics of this arch bridge are calculated and analyzed by using a threedimensional finite element model based on double-element method. The nonlinear seismic response of the CFST arc bridge is calculated by time-history analysis method, which is beneficial for the analysis of effect of geometric nonlinear, material nonlinear and geometric material nonlinear property on CFST arc bridge. |
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| Keywords: | CFST arc bridge nonlinear natural vibration characteristics seismic response |
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