Title:
セメント材料
Document Type and Number:
Japanese Patent JP5702199
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a cement material with which a cement hardened body can be produced having a compressive strength exceeding 250 N/mmeven in a condition of a degree practically sufficiently applicable.SOLUTION: The cement material contains a cement component including cement and silica fume, high purity silica mineral comprising powder including more than 97 mass% of SiOand having an average particle size more than 30 μm, and water, and satisfies following formulae (1) and (2). W/C≤0.21 (1), 0.04≤Si/(C+Si)≤0.33 (2), wherein the mass (kg) of water included in 1 mis W, the mass (kg) of the high purity silica mineral included in 1 mis Si, and the mass (kg) included in 1 mis C.
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Inventors:
Tetsushi Kakita
Haruki Momose
Fumitoshi Sakuramoto
Haruki Momose
Fumitoshi Sakuramoto
Application Number:
JP2011056640A
Publication Date:
April 15, 2015
Filing Date:
March 15, 2011
Export Citation:
Assignee:
Kashima Construction Co., Ltd.
International Classes:
C04B28/02; C04B14/04; C04B14/06; C04B18/14; C04B20/00; C04B22/06; C04B40/02
Domestic Patent References:
| JP2002338323A | ||||
| JP2004339043A | ||||
| JP2004115315A | ||||
| JP2283650A | ||||
| JP3290339A | ||||
| JP6115989A | ||||
| JP9500352A |
Other References:
(2)オートクレーブ養生,コンクリート工学ハンドブック,2009年10月25日,P843
Attorney, Agent or Firm:
Yoshiki Hasegawa
Yoshiki Kuroki
Yoshiki Kuroki