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| 桁肋钢管混凝土拱桥面内极限承载能力的参数研究 | |
| 引用本文： | 陈海滨,谢旭,张治成.桁肋钢管混凝土拱桥面内极限承载能力的参数研究[J].世界桥梁,2008(4). |
| 作者姓名： | 陈海滨 谢旭 张治成 |
| 作者单位： | 1. 上海市政工程设计研究总院,上海,200092 2. 浙江大学土木工程学系,浙江,杭州,310027;浙江大学宁波理工学院,浙江,宁波,315100 3. 浙江大学土木工程学系,浙江,杭州,310027 |
| 摘 要： | 以跨度308m的钢管混凝土桁架拱桥计算模型为例，应用考虑双重非线性影响的计算方法探讨了这类结构在平面内的稳定特性以及截面设计对它的影响。结果表明，第一类稳定和仅考虑几何非线性影响的第二类稳定强度远高于考虑双重非线性影响的计算结果；改变钢和混凝土等级对拱桥平面内极限强度提高作用不大，截面含钢率是影响极限承载力的重要参数。 |
| 关 键 词： | 拱桥 钢管混凝土结构 极限承载力 稳定性 参数研究 |
Parametric Study of In-Plane Ultimate Bearing Capacity of CFST Truss Rib Arch Bridge |
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| CHEN Hai-bin,XIE Xu,ZHANG Zhi-cheng.Parametric Study of In-Plane Ultimate Bearing Capacity of CFST Truss Rib Arch Bridge[J].World Bridges,2008(4). | |
| Authors: | CHEN Hai-bin XIE Xu ZHANG Zhi-cheng |
| Institution: | CHEN Hai-bin1,XIE Xu2,3,ZHANG Zhi-cheng2(1.Shanghai Municipal Engineering Design & Research Institute,Shanghai 200092,China,2.Department of Civil Engineering,Zhejiang University,Hangzhou 310027,3.Ningbo Institute of Technology,Ningbo 315100,China) |
| Abstract: | Taking the calculation model of a concrete-filled steel tube(CFST)truss arch bridge with a main span 308 m as an example,this paper makes a study of the in-plane stability performance of such type of the structure and the influence of sectional design on the stability,using the calculation method that takes into account of dual nonlinearity influences.The results of the study indicate that the strength of the Category I Stability and the Category II Stability that only considers the geometric nonlinearity i... |
| Keywords: | arch bridge concrete-filled steel tube structure ultimate bearing capacity stability parametric study |
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