Experimental study on real bridge before and after simple-supporting to continuous reinforced concrete hollow slab

This article studies a concrete hollow slab simply supported-continuous actual engineering project in certain city. Before the reinforcement of bridge, there were cracks and exposed rebars, etc. In order to ensure safe operation method was adopted, prestressed steel strands are used convert simple-supported structure into continuous structure, thereby improving structural load-bearing capacity overall integrity. Through conducting comparative analysis load tests on bridge before after reinforcement, this improvement effect simply-supported-to-continuous bearing bridge. A finite element model established, carried out The work performance evaluated. research shows that has good can be improve insufficient