| 大跨度钢管混凝土桁式拱桥结构非线性分析 |
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| 引用本文： | 刘兵,周红伟.大跨度钢管混凝土桁式拱桥结构非线性分析[J].交通科技与经济,2008,10(4):50-51. |
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| 作者姓名： | 刘兵 周红伟 |
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| 作者单位： | 1. 黑龙江省饶河县交通局,黑龙江,饶河,155700
2. 依兰县公路管理站,黑龙江,依兰,154800 |
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| 摘 要： | 分析了几何非线性和材料非线性等因素对大跨度钢管混凝土桁式拱桥结构非线性的影响，结果表明对跨径大于300m、宽跨比接近1／20的钢管混凝土桁式拱桥，几何非线性和材料非线性的影响均’较大，在设计和施工时应注意。
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| 关 键 词： | 钢管混凝土 拱桥 非线性 |
Nonlinear Analysis on Large Span CFST Truss Arch Bridge |
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| LIU Bing,ZHOU Hong-wei.Nonlinear Analysis on Large Span CFST Truss Arch Bridge[J].Technology & Economy in Areas of Communications,2008,10(4):50-51. |
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| Authors: | LIU Bing ZHOU Hong-wei |
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| Institution: | LIU Bing , ZHOU Hong-wei (1. Heilongjiang Province Raohe County Transportation Bureaue, Raohe 155700, Heilongjiang, China; 2. Yilan Road Management Station, Yilan 154800, Heilongjiang, China) |
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| Abstract: | By analyzing geometrical nonlinearity and material nonlinearity,large span CFST arch bridge has been analyzed in this paper,the results show that the influence of nonlinearity is remarkable for large span(exceed 300m) and small the width to span(about 1/20).Nonlinearity must be considered in calculating structural internal forces of large span CFST arch bridge. |
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| Keywords: | concrete filled steel-tube(CFST) arch bridge nonlinear |
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