| 摘要 |
PROBLEM TO BE SOLVED: To provide an inexpensive detachable set floor structure which can easily attach/detach a floor plate which is a finished plate, partially change the floor plate and easily check various facilities installed in an underfloor space part, and generate no floor creaking. SOLUTION: A floor plate support surface 13a is formed on an upper part of a plurality of support legs 12 erected on a floor slab 11, a plurality of floor plates 14 having a specified surface area and consisting of a highly dense wooden fiber board which is an industrial product are placed on and supported by at least one or a plurality of the floor plate supporting surfaces 13a and when each floor plate 14 is placed on and supported by the floor plate supporting surface 13a, each floor plate 14 is fixed to the floor plate supporting surface 13a by attachable/detachable fitting means 15, 16.
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