The reinforcement structure of the concrete beam possessing the aperture, production manner of the concrete beam which possesses the aperture, beam structure, being the structure which compensates the concrete beam which consists of the reinforced concrete

摘要

PROBLEM TO BE SOLVED: To provide an opening reinforcing structure capable of arranging a large opening in a concrete beam, and capable of easily conforming performance.;SOLUTION: This reinforcing structure 10 reinforces a reinforced concrete beam 20 having the opening, and has a cylindrical steel pipe 11 arranged inside the opening 12, and a flat bar 13 molded in a U shape such as surrounding a plurality of beam main reinforcements 16 arranged in the width direction of the reinforced concrete beam 20 and having both ends joined to an outer peripheral surface of the steel pipe 11.;COPYRIGHT: (C)2008,JPO&INPIT