Title:
高耐久性セメント組成物
Document Type and Number:
Japanese Patent JP4549558
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To obtain a high durability cement composition which enables the production of concrete with little bleeding, little generation of heat and good exhibitability of strength. SOLUTION: The high durability cement composition contains (A) cement powder obtained by mixing a Portland cement clinker with gypsum so that the total SO3 content is controlled to 1.0 to 4.0 mass% and by pulverizing the mixture/or separately pulverizing the clinker and gypsum each other, and thereafter mixing them, and having a Blaine specific surface area of 1,500 to 3,000 cm<2> /g, and (B) limestone powder and/or slag powder having a Blaine specific surface area of 4,000 to 15,000 cm<2> /g. The Blaine specific surface area of the high durability cement composition is 2,800 to 4,800 cm<2> /g.
Inventors:
Shoji Kunikuni
Torii Minami Koichi
Torii Minami Koichi
Application Number:
JP2001065682A
Publication Date:
September 22, 2010
Filing Date:
March 08, 2001
Export Citation:
Assignee:
Taiheiyo Cement Co., Ltd.
International Classes:
C04B7/02; C04B7/14; C04B14/28; C04B28/04
Domestic Patent References:
| JP2239140A | ||||
| JP5294684A | ||||
| JP8268736A | ||||
| JP4321546A |