ELASTIC FORM MATERIAL FOR PRECAST CONCRETE FLOOR BOARD AND METHOD FOR EXECUTING PRECAST CONCRETE FLOOR BOARD CONSTRUCTION

摘要

PROBLEM TO BE SOLVED: To easily perform execution and secure safety by integrally laminating a base material composed of an elastic foam body and a reinforcing film layer having a higher sliding property and higher strength than the base material fixed and formed on the surface of the side of precast concrete floor board of the base material. ;SOLUTION: Base material 38 forming the whole height, a reinforcing film layer 40 laminated and integrated on the surface of the precast PC floor board side and an adhesive layer 42 disposed in the face of a vertical beam are provided. In this case, the base material 38 is made of foaming polyurethane foam and the reinforcing film layer 40 is made of a non- foaming PET film. Next, when the PC floor board previously separately molded and hardened in a factory is set on the vertical beam to be moved, it is moved as it is smoothly slid on the reinforcing film layer 40. At the time, breaking and tearing-off of elastic form material 18 is prevented, in addition, the reinforcing film layer 40 is thin, deformed into a shape following the lower face of the floor board, and adhered to the lower face of the floor board good. Thereby loop-like reinforcing bars themselves are welded to each other, mortar is placed in a joint part, the adjacent PC floor boards themselves are interconnected and integrated, and a construction period can be shortened.;COPYRIGHT: (C)1998,JPO