Title:
CONCRETE MEMBER FOR HIGH SPEED TRAFFIC SYSTEM STRUCTURE AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
Japanese Patent JP2017100898
Kind Code:
A
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:
KONO KATSUYA
ENDO HIDENORI
ENDO HIDENORI
Application Number:
JP2015233772A
Publication Date:
June 08, 2017
Filing Date:
November 30, 2015
Export Citation:
Assignee:
TAIHEIYO CEMENT CORP
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 | 2001-09-04 | |||
| JPS638250A | 1988-01-14 | |||
| JPH11130508A | 1999-05-18 | |||
| JPH0532438A | 1993-02-09 | |||
| JP2012153539A | 2012-08-16 | |||
| JP2015024947A | 2015-02-05 |
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, JPN6019028065, 2007, pages 71 - 2, ISSN: 0004081786
Attorney, Agent or Firm:
Norihiko Arai
Naoyuki Koda
Naoyuki Koda