Influence of Main Structural Dimension on the Shear Lag Effect of Box Girder Used in Cable-Stayed Bridge

Abstract:

Through simulating box girder with shell element, the influence of the top flangebottom flange and web thickness on the shear lag effect of box girder used in cable-stayed bridge was discussed on the background of Jianning bridge in Zhuzhou. Parameter analysis of the thickness change of the top flange, bottom flange and web on shear lag effect of box girder was based on analyzing and comparing the calculated results. The results show that the thickness change of the top flange, bottom flange and web have more influence on the shear lag effect of top flange than that of bottom flange; thickness increase of bottom flange and web can make the shear lag effect intensified obviously; and thickness change of web has the most significant influence on the shear lag effect among them for box girder with single box and three rooms used in cable-stayed bridges.

• Periodical: Applied Mechanics and Materials (Volumes 405-408)
• Pages: 1483-1488
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.405-408.1483
• Online since: September 2013
• Authors: Yu Ping Zhang*, Chuan Xi Li
• Keywords: Cable-Stayed Bridge, Finite Element Method (FEM), Parameter Analysis, Shear Lag Effect

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