| 摘要 |
PROBLEM TO BE SOLVED: To obtain a floor structure, in which a fall-in is prevented even when there is the connecting section of a unit floor facing on the groove section of a floor foundation, in the floor structure being simply executed as the floor structure of a veranda, a balcony or the like in a residence and having excellent drainage properties and design properties. SOLUTION: In the floor structure in which unit floor facings 30 using resin mats as base materials are connected mutually and laid on a floor foundation, the laying surface of the floor foundation is formed of folded plate members 20 with groove sections 21, leg sections 33 are projected and formed to the lower sections of rears in the resin mats and female connecting sections and male connecting sections in positional relationship corresponding to the female connecting sections on each opposed side of the female connecting sections are formed at the end sections of mutually adjacent two sides, and at least the depth size of the female-male connecting sections is made larger than the opening width size of the groove sections 21.
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