Title:
PC GROUT COMPOSITION
Document Type and Number:
Japanese Patent JP2020128312
Kind Code:
A
Abstract:
To provide a PC grout composition that is more excellent in flowability and has reduced bleeding.SOLUTION: The PC grout composition includes a binding material, (A) a sulfate or a salt thereof having the carbon number of hydrocarbon groups of 12 to 22 and an average addition mole number of alkylene oxide of more than 0 to 25 (hereinafter referred to as component (A)), (B) a fatty acid alkanolamide having the carbon number of fatty acid parts of 10 to 22 (hereinafter referred to as component (B)) and water in which the binding material includes 30 mass% to 60 mass% of (P1) cement, 35 mass% to 60 mass% of (P2) blast furnace slag fine powder, 1 mass% to 6 mass% of (P3) at least one kind selected from gypsum dihydrate and anhydrous gypsum as CaSOand 2 mass% to 15 mass% of (P4) at least one kind selected from fly ash, silica fume and limestone fine powder; and the total content of the component (A) and the component (B) based on water is 0.3 mass% to 5.0 mass%.SELECTED DRAWING: None
Inventors:
OKAUCHI NOBUAKI
SUZUKI KENICHI
YOSHIZAWA CHIAKI
WATASE HIROSHI
NISHISU MINORU
SUZUKI KENICHI
YOSHIZAWA CHIAKI
WATASE HIROSHI
NISHISU MINORU
Application Number:
JP2019021682A
Publication Date:
August 27, 2020
Filing Date:
February 08, 2019
Export Citation:
Assignee:
KAO CORP
ORIENTAL SHIRAISHI CORP
ORIENTAL SHIRAISHI CORP
International Classes:
C04B28/04; B28C7/04; C04B14/28; C04B18/08; C04B18/14; C04B24/02; C04B24/08; C04B24/12; C04B24/16; C04B24/32
Domestic Patent References:
| JP2005231967A | 2005-09-02 | |||
| JP2013203635A | 2013-10-07 | |||
| JP2018083931A | 2018-05-31 | |||
| JP2017206418A | 2017-11-24 |
Attorney, Agent or Firm:
Satoshi Furuya
Yoshitsune Kazumasa
Yoshitsune Kazumasa