| 摘要 |
PROBLEM TO BE SOLVED: To provide a joint plate for a floor capable of checking deflecting and rusting of a central part by fixing a plurality of reinforcement bar holders to a joint plate body by spot welding, and providing sufficient strength when an aggregate enters even if concrete is filled in the joint plate body.SOLUTION: A joint plate is constituted of: a square shallow pan-shaped joint plate body 9 made of a metallic material; a plurality of reinforcement bar holders 12 each of which is fixed by spot welding to an inner bottom surface of the joint plate body 9, has a channel shape or a trapezoidal shape whose upper part is expansively opened, and forms a plurality of reinforcement bar insertion grooves and a plurality of reinforcement bar support parts, and each of whose upper part is positioned in a central part of a joint plate 7; a plurality of reinforcement bars 13 each of which is positioned in the longitudinal direction of the joint plate body 9 and is welded-fixed to the plurality of reinforcement bar holders 12; and concrete filled in the joint plate body so as to cover the plurality of reinforcement bar holders 12 and the reinforcement bars 13. |
