GIRDER FOR ADJUSTING SECTION RIGIDITY AND BRIDGE

摘要

PURPOSE: A bridge girder for adjusting sectional rigidity and a bridge for comprising the same are provided to apply an optimized section to onsite conditions by equipping a rigidity adjustment part for differentially adjusting sectional rigidity according to the filling amount of concrete. CONSTITUTION: A bridge girder(100) for adjusting sectional rigidity comprises a girder main body and a rigidity adjustment part(130). The girder main body is formed with a hollow part inside. The rigidity adjustment part is equipped in the hollow part and comprises a pipe member, a bent member, a partition, a filling hole, and a tension member(135). The pipe and bent members are separately fixed and attached to the lower surface and inside of the girder main body. The pipe and bent members are formed with a filling space(131) inside. The partition adheres to the inside of a web in the girder main body. The rigidity is adjusted by adjusting the filling amount of concrete in the filling space.