Title:
CONCRETE PLACING METHOD
Document Type and Number:
Japanese Patent JP2022156582
Kind Code:
A
Abstract:
To provide a concrete placing method which can quicken finishing completion of concrete in winter while suppressing increase in cost of a cement material to be used, and can suppress the risk of generation of a temperature crack.SOLUTION: In a concrete placing method, fresh concrete 2 is placed divided into a plurality of times in a placing construction section 1. A mixing ratio of early strength Portland cement (H) in mixing of normal Portland cement (N) and the early strength Portland cement (H) of the fresh concrete 2 is made to be larger for the fresh concrete 2 which is placed later.SELECTED DRAWING: Figure 1
Inventors:
ARIMA FUYUKI
ITO NAOKO
ITO NAOKO
Application Number:
JP2021060355A
Publication Date:
October 14, 2022
Filing Date:
March 31, 2021
Export Citation:
Assignee:
DAIWA HOUSE IND
International Classes:
E04G21/02; C04B7/02; C04B28/04
Attorney, Agent or Firm:
Taizo Jimbo