2012•Journal of Hunan Institute of EngineeringRequires access

The Transverse Stress Working Width Analysis of Prestressed Variable Cross-section Concrete Box Girder Bridge

Zhou Ji-guo

Abstract

Taking a bridge of Hunan as research background,the transverse stress working width analysis of prestressed variable cross-setion concrete box-girder bridge by ANSYS is disussed and the transverse stress diffusion angle in the roof is achieved.Reference for the design of prestressed concrete continuous box-grider bridge roof transverse prestress is provided and guiding significance is given to the prevention of roof vertical cracks.The tensioned transverse prestress poisson effect is analyzed,and recommendations for the tension construction of the box girder roof prestressed are given.

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Key concepts: Box girder, Structural engineering, Roof, Transverse plane, Prestressed concrete, Bridge (graph theory), Tension (geology), Engineering