2010•Journal of Anhui Institute of Architecture & IndustryRequires access

Study on seismic behavior analysis of a continuous half-through CFST arch bridge

Peixiang He

Abstract

This paper is based on a 5-span continuous half-through CFST(concrete filled steel tube) arch bridge.Spatial finite element analysis model is established by the software-MIDAS to analyze the characteristics of this mode and calculate dynamic parameters such as self-vibration frequencies and modes.Meanwhile the influence of self-vibration characteristic is analyzed when primary structural parameters are changed.The computational results of the paper may be applied to seismic design of the continuous half-through CFST arch bridge.

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Key concepts: Structural engineering, Arch bridge, Arch, Bridge (graph theory), Vibration, Engineering, Finite element method, Span (engineering)