To provide a floor structural body excellent in construction workability with the fine external appearance and workability of replacement of floor plates.
In the floor structural body formed by mounting and fixing a plurality of longer floor plates 2 on the upper surface of a floor joist 33 in a state to neighbor them to each other, the floor plate provided with side opened engagement recess sections 2a on sides of both ends in the direction of the width is used as the floor plate 2, a leg section 5a of an engaging device 5 is rotatably mounted on at least one side of the floor joist 33, the engaging device 5 is equipped with the leg section 5a and a pair of right and left engagement projection sections 5b and 5b, the leg section 5a of the engaging device is held between lower walls 12 and 12 of the engagement recess sections opposed to the adjoining floor plates, at the same time, a pair of right and left engagement projection sections 5b and 5b of the engaging device are arranged in a space formed of the engagement recess sections 2a and 2a opposed to the adjoining floor plates, and the floor plates 2 are fixed to the floor joist 33 by engaging the engagement projection sections 5b with the lower walls 12 of the engagement recess sections of the floor plates.
Ken Takada
Yoshihito Shimizu
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