A BRIDGE REPAIR AND REINFORCEMENT METHOD

摘要

PURPOSE: A repair and reinforcement method of a bridge is provided to improve the workability by applying pre-stress to a steel wire without the separate fixing and mounting device. CONSTITUTION: A repair and reinforcement method of a bridge is composed like next. A main body of a girder, which needs repair, is confirmed. A corresponding repair area or a reinforcing domain of the main body is indicated. A housing groove is formed along the repair or reinforcing marked domain. A prestressing device(50) is established in the main body of the girder. A steel wire rod is arranged to the housing groove of the main body. The both ends of the steel wire rod are interlinked to the prestressing device.