2004•Central South Highway EngineeringRequires access

Ultimate Bearing Capacity Analysis of Concrete Filled Steel Tubular Arch Bridges

Jian‐Min Zhang

Abstract

Long span concrete filled steel tubular arch bridges exhibit nonlinear characteristics in both material and geometry in deformation and instability. Based on the finite element method of Timoshenko beam with rounded cross-section and the constitutive relations of combinatorial material of concrete filled steel tube, the ultimate bearing capacity of Nanning Yonghe Bridge is analyzed under static loads. Results of a model test for concrete-filled steel tubular arch showed that the they were in a good agreement with the numerical results.

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Key concepts: Arch, Bearing capacity, Structural engineering, Arch bridge, Finite element method, Materials science, Bearing (navigation), Deformation (meteorology)