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2011•Journal of Tianjin Institute of Urban ConstructionRequires access

Stualy on Overall Stability of Daihe Bridge

Jia Jian-guo

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Abstract

Based on the finite element theory,taking the Daihe bridge for example,considering both geometrical non-linearity and material nonlinearity,this paper proposes the computation model of the through-type concrete filled steel tube arch bridge.This paper studies the bridges’ arch rib construction process and the overall stability of the entire bridge using the ANSYS software.The results show that the safety factor of the entire bridge stability of the Daihe bridge is larger than similar concrete-filled steel tube arch bridges.The internal face stiffness of Daihe bridge is larger than its external stiffness,and material nonlinearity has significant impact on the stability.It is of reference value for the similar bridge design and construction.

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What this paper is about

Based on the finite element theory,taking the Daihe bridge for example,considering both geometrical non-linearity and material nonlinearity,this paper proposes the computation model of the through-type concrete filled steel tube arch bridge.This paper studies the bridges’ arch rib construction process and the overall stability of the entire bridge using the ANSYS software.The results show that the safety factor of the entire bridge stability of the Daihe bridge is larger than similar concrete-filled steel tube arch bridges.The internal face stiffness of Daihe bridge is larger than its external stiffness,and material nonlinearity has significant impact on the stability.It is of reference value for the similar bridge design and construction.

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Available abstract

Based on the finite element theory,taking the Daihe bridge for example,considering both geometrical non-linearity and material nonlinearity,this paper proposes the computation model of the through-type concrete filled steel tube arch bridge.This paper studies the bridges’ arch rib construction process and the overall stability of the entire bridge using the ANSYS software.The results show that the safety factor of the entire bridge stability of the Daihe bridge is larger than similar concrete-filled steel tube arch bridges.The internal face stiffness of Daihe bridge is larger than its external stiffness,and material nonlinearity has significant impact on the stability.It is of reference value for the similar bridge design and construction.

Key concepts: Structural engineering, Bridge (graph theory), Stiffness, Arch, Engineering, Arch bridge, Finite element method, Stability (learning theory)

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