Precast concrete slab and construction method for the same

(10) JP2023027341A

(22) 21.12.2022

(43) 01.03.2023

(57) To provide a precast concrete floor slab and construction method for the same having improved on-site workability.

Solution: A precast concrete floor slab comprises: a body 1; and an engagement part 2 provided on the opposing peripheral surface of the body 1. The engagement part 2 is either an upper engagement part 21 or a lower engagement part 22. On the opposing peripheral surface of the body 1, when one of the engagement parts 2 is the upper engagement part 21, the other of the engagement parts 2 is the lower engagement part 22. A bolt box 3 having a bolt hole 31 on the inner side surface is installed on the upper surface of the upper engagement part 21, and an anchor nut 42 corresponding to the bolt hole 31 is provided on an inclined surface of the lower engagement part 22 with the inclination angle of the inclined surface being 45°. The bolt hole 31 and the anchor nut 42 are orthogonal to the inclined surface.

(71) Kuroiwa Toshiyuki; Kasakura Ryota (JP)