Mechanical analysis of steel deck pavement on long span combined road and railway cable-stayed bridges

Abstract

In order to study the structural system, control load and mechanical index of highway steel deck pavement on long span combined road and railway cable-stayed bridges, a finite element model of the Wuhan Tianxingzhou Changjiang River Railway-Road Bridge was established to calculate the deflection of the bridge. A coupled system model of combined steel deck and pavement was built for the local girder segment of the bridge and the deflection of the highway steel bridge deck was employed as the boundary condition for analyzing the mechanical response of the pavement. The results indicate that the peak values of the mechanical response of the pavement occur at the centre of vehicle load moving above aside of the longitudinal stiffened rib. The peak of maximum transversal tensile stress of the pavement is increased by 18%, companred to that when not considering railway vehicle loading. Show more