Title:
セメント質硬化体の製造方法
Document Type and Number:
Japanese Patent JP7157606
Kind Code:
B2
Abstract:
To provide a cement composition that can be hardened in a shortened heating time and can produce a hardened body of high compression strength and flexural strength, and a method of producing a cement hardened body using the cement composition.SOLUTION: There is provided a cement composition according to the present invention comprising cement, silica fume of a BET surface area of 15 to 25 m/g, inorganic powder of 50% cumulative particle diameter of 0.8 to 5 μm, a lime-based expansion material, aggregate A of a maximum particle diameter of not larger than 1.2 mm, a metal fiber of a diameter of 0.01 to 1.0 mm and of a length of 2 to 30 mm, a high performance water reducing agent, a defoaming agent, and water, in which cement composition, the cement content is 55 to 65 volume%, the silica fume content is 5 to 25 volume%, and the inorganic powder content is 15 to 35 volume%, relative to 100 volume% of the total of the cement, the silica fume, and the inorganic powder.SELECTED DRAWING: None
Inventors:
Kanako Mori
Katsuya Kono
Katsuhiko Tada
Katsuya Kono
Katsuhiko Tada
Application Number:
JP2018180521A
Publication Date:
October 20, 2022
Filing Date:
September 26, 2018
Export Citation:
Assignee:
Taiheiyo Cement Co., Ltd.
International Classes:
C04B28/02; B28B11/24; B28B23/02; C04B14/06; C04B14/48; C04B18/14; C04B20/00; C04B22/06; C04B24/02; C04B24/26; C04B24/32; C04B40/02
Domestic Patent References:
| JP2017226596A | ||||
| JP2014040347A | ||||
| JP2011178578A |
Attorney, Agent or Firm:
Norihiko Arai
Hokuta Naoyuki
Hokuta Naoyuki
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