2012•Applied Mechanics and MaterialsOpen access

Spatial Stress Analysis of Long Span Prestressed Concrete Box Girder Bridges

Xian Lin Yu, Jian Shu Ye, Wenqing Wu

Abstract

A FEA program using 8 nodes and 40 freedoms degenerated solid shell element was developed to analyze the spatial stress of long span prestressed concrete box girder bridges during construction stage and finished stage. The maximum principal tensile stress positions on box girder section and shear lag coefficient were researched according to spatial stress results. It presented suggestions on prestressed concrete box girder bridges anti-crack design.

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Available abstract

Key concepts: Box girder, Structural engineering, Prestressed concrete, Span (engineering), Girder, Stress (linguistics), Engineering, Finite element method