Title:
PRECAST FLOOR SLAB AND ITS CONNECTION STRUCTURE AND CONNECTION METHOD
Document Type and Number:
Japanese Patent JP2021025241
Kind Code:
A
Abstract:
To provide a precast slab and its connection structure and connection method capable of starting road operation without waiting for concrete to be filled in a space to be hardened, while omitting the laying and removal of temporary slabs.SOLUTION: A precast floor slab 1a of the present invention is provided with fingers 3 on a connection side of a floor slab main body 2. The fingers are configured by projecting a plurality of cantilever parts 11 along a connection orthogonal direction. Each cantilever part 11 is formed so that a mounting surface 12 is flush with a mounting surface 13 of the floor slab main body 2. Each cantilever part 11 is configured so that an extended part 16' of an upper bar 16 arranged in the floor slab main body 2 is embedded, and the protruding position of each cantilever part coincides with the arrangement position of the upper bar.SELECTED DRAWING: Figure 2
Inventors:
TANAKA KOICHI
SASAKI KAZUNARI
SASAKI KAZUNARI
Application Number:
JP2019141856A
Publication Date:
February 22, 2021
Filing Date:
August 01, 2019
Export Citation:
Assignee:
OHBAYASHI CORP
International Classes:
E01D19/12; E01C5/08; E01C11/06; E01D21/00
Attorney, Agent or Firm:
Satoshi Kubo