2007•Shanxi ArchitectureRequires access

Analysis of the damage of a certain continuous rigid-frame bridge and research into its reinforcement means

Wang Yon

Abstract

Taking the application of external prestress in reinforcing a certain continuous rigid-frame bridge as an example,the author proposes external pre-stressed reinforcement method through analyzes the condition of bridge cracks and causes of the damage,calculates vertical displacement and concrete stress of box-girder structure,analyzes its strengthening effect,and shows that this method ameliorates stress state of box-girder concrete and plays certain roles in reinforcing structure.

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Available abstract

Key concepts: Rigid frame, Structural engineering, Reinforcement, Box girder, Bridge (graph theory), Frame (networking), Displacement (psychology), Stress (linguistics)