Title:
LIGHTWEIGHT CONCRETE FLOOR SLAB WITH EXPANSION MATERIAL WITH SHEAR REINFORCEMENT EMBEDDED
Document Type and Number:
Japanese Patent JP2021070995
Kind Code:
A
Abstract:
To provide a lightweight concrete floor slab with expansion material and the like capable of improving durability while achieving weight reduction.SOLUTION: A road structure 3 includes a floor slab 31 and a pavement layer 35. The floor slab 31 is formed of concrete. The concrete is lightweight concrete with expansion material that contains an expansion material added to the light-weight aggregate and cement. The floor slab 31 includes shear reinforcement 312 embedded in the thickness direction of the floor slab. Reinforcing bars 311 are embedded in the upper and lower parts of the floor slab thickness direction, and both ends of the shear reinforcing material 312 are arranged so as to be hooked on the upper and lower reinforcing bars 311.SELECTED DRAWING: Figure 1
Inventors:
TAJIMA HITOSHI
UCHIUMI KAZUHITO
KISHI TOSHIJI
IWAKI ICHIRO
NAKAZAWA JIRO
MAEDA TAKUMI
ITO SHINYA
IGARASHI KAZUMA
KISHIDA MASAHIKO
UCHIUMI KAZUHITO
KISHI TOSHIJI
IWAKI ICHIRO
NAKAZAWA JIRO
MAEDA TAKUMI
ITO SHINYA
IGARASHI KAZUMA
KISHIDA MASAHIKO
Application Number:
JP2019198896A
Publication Date:
May 06, 2021
Filing Date:
October 31, 2019
Export Citation:
Assignee:
METROPOLITAN EXPRESSWAY CO LTD
UNIV TOKYO
UNIV NIHON
PACIFIC CONSULTANTS CO LTD
DENKA CO LTD
FUTABA KK
UNIV TOKYO
UNIV NIHON
PACIFIC CONSULTANTS CO LTD
DENKA CO LTD
FUTABA KK
International Classes:
E01C5/08; E01D19/12
Attorney, Agent or Firm:
Seiichi Inoue