Calculations of the concrete-filled Steel Tube Skeleton with I-type Arch Rib During Construction

Journal of Chongqing Jiaotong University(Natural Science) ›› 2000, Vol. 19 ›› Issue (1): 11-16.

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Calculations of the concrete-filled Steel Tube Skeleton with I-type Arch Rib During Construction

ZHAO Lei, BU Yi-zhi

Department of Bridge and Structure Engineering, Southwest Jiaotong University, Chengdu 610031, China

Received:1999-05-04 Online:2000-02-21 Published:2016-11-08

钢管砼劲性骨架I型肋拱桥施工阶段结构计算

赵雷, 卜一之

西南交通大学桥梁及结构工程系, 四川成都 610031

作者简介:赵雷(1956-),男,四川西充人,西南交通大学副教授(博士),主要从事大跨度桥梁结构分析与稳定性研究
基金资助:
西南交通大学科学研究基金资助项目(1999XM17)

Abstract

Abstract: Considering geometric nonlinearation of the bridge during construction,structural behavior of the concrete-filled steel tube stiff skeleton of Jinhe bridge over Yalong River in Yanyuan with a span of 170m is analyzed,with the aid of the mixed structure model with the shell,truss and beam-member using finite element method.The internal force,deformation and stability during construction of the arch rib of the bridge are also discussed in detail.

Key words: arch bridge, concrete-filled steel tube, construction, structural stability, nonlinear analysis

摘要： 以盐源金河雅砻江大桥170m跨径的钢管砼劲性骨架在施工过程中的结构计算为研究对象,考虑几何非线性,采用平壳-桁-梁组合结构的空间有限元分析模型,探讨了拱肋砼浇筑过程对结构内力、变形及稳定性的影响

关键词: 拱桥, 钢管砼, 施工, 结构稳定性, 非线性分析

CLC Number:

U443.22

ZHAO Lei, BU Yi-zhi. Calculations of the concrete-filled Steel Tube Skeleton with I-type Arch Rib During Construction[J]. Journal of Chongqing Jiaotong University(Natural Science), 2000, 19(1): 11-16.

赵雷, 卜一之. 钢管砼劲性骨架I型肋拱桥施工阶段结构计算[J]. 重庆交通大学学报（自然科学版）, 2000, 19(1): 11-16.

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Calculations of the concrete-filled Steel Tube Skeleton with I-type Arch Rib During Construction

钢管砼劲性骨架I型肋拱桥施工阶段结构计算

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