| 摘要 |
PROBLEM TO BE SOLVED: To maintain a plate shape even when repeatedly receiving a load, and to prevent dissipation of concrete pieces generated from a broken skeleton.SOLUTION: A floor slab 1 is provided which has a configuration where the surface of a concrete plate-like skeleton 2 whose plate surface is repeatedly subjected to the action of a load is coated with a resin reinforcing film 3, the reinforcing film 3 is made of a compound formed by chemical reaction between an isocyanate and a curing agent consisting of at least one of a polyol and an amine, and the reinforcing film 3 is provided on the upper surface 2a and lower surface 2b of the skeleton 2 repeatedly receiving a load. |
