Title:
FINE AGGREGATE FOR CEMENT CONCRETE, CEMENT COMPOSITION, AND CEMENT CONCRETE USING THE CEMENT COMPOSITION
Document Type and Number:
Japanese Patent JP3871601
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a fine aggregate for cement concrete capable of providing a mortar or concrete having a good fluidity-retaining performance and useful in civil engineering and construction industries, and to provide a cement composition including the fine aggregate and also the cement concrete using the cement composition.
SOLUTION: This fine aggregate has a particle size of 0.1-5 mm, particularly includes 0.5% or more of a non-sulfate sulfur, is 20 mg/L or higher in concentration of the eluted non-sulfate sulfur, and further includes a blast furnace annealed slag, the glass content of which is 30% or less. The fine aggregate passes 100% through a sieve of 4.75 mm nominal dimension, 95-100% through 2.36 mm, 80-100% through 1.18 mm, 35-80% through 0.6 mm, 15-50% through 0.3 mm and 2-20% through 0.15 mm. The cement composition includes a cement and the above fine aggregate, and the cement concrete is composed by using the cement composition.
Inventors:
Takayuki Higuchi
Minoru Morioka
Ishida product
Kenji Yamamoto
Minoru Morioka
Ishida product
Kenji Yamamoto
Application Number:
JP2002108855A
Publication Date:
January 24, 2007
Filing Date:
April 11, 2002
Export Citation:
Assignee:
DENKI KAGAKU KOGYO KABUSHIKI KAISHA
International Classes:
C04B18/14; C04B20/00; C04B28/02; (IPC1-7): C04B18/14; C04B20/00; C04B28/02
Domestic Patent References:
| JP52117318A | ||||
| JP2000169212A | ||||
| JP2000290049A | ||||
| JP2002097043A | ||||
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| JP10338564A | ||||
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Foreign References:
| WO2002022518A1 | ||||
| WO2003035570A1 |