Title:
高速度交通システム構造物用コンクリート部材、及びその製造方法
Document Type and Number:
Japanese Patent JP6646908
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a concrete member for high speed traffic system structure having high toughness, reduced creep and high dimensional stability.SOLUTION: There is provided a concrete member for high speed traffic system structure consisting of a cured body of a cement composition containing (A) cement, (B) silica fume, (C) inorganic powder, which have following properties and percentage contents, and an aggregate A having maximum particle diameter of 1.2 mm or less, high performance water-reducing agent, an antifoam agent and water. (A) cement: 55 to 65 vol.%. (B) silica fume having BET specific surface area of 15 to 25 m/g: 5 to 25 vol.%. (C) the inorganic powder having 50% volume accumulative particle diameter of 0.8 to 5 μm: 15 to 35 vol.%. Total percentage content of the cement, the silica fume and the inorganic powder is 100 vol.%.SELECTED DRAWING: None
Inventors:
Katsuya Kono
Hideki Endo
Hideki Endo
Application Number:
JP2015233772A
Publication Date:
February 14, 2020
Filing Date:
November 30, 2015
Export Citation:
Assignee:
Taiheiyo Cement Co., Ltd.
International Classes:
C04B28/02; B28B23/04; C04B7/02; C04B14/06; C04B14/38; C04B14/48; C04B16/06; C04B18/14; C04B20/00; C04B24/26; C04B40/02
Domestic Patent References:
| JP2001240451A | ||||
| JP63008250A | ||||
| JP11130508A | ||||
| JP5032438A | ||||
| JP2012153539A | ||||
| JP2015024947A |
Other References:
笠井芳夫・坂井悦郎 編,新 セメント・コンクリート用混和材料,2007年,p.71、全2頁
Attorney, Agent or Firm:
Norihiko Arai
Naoyuki Koda
Naoyuki Koda