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Title:
MANUFACTURING METHOD OF MORTAR OR CONCRETE
Document Type and Number:
Japanese Patent JP2015124100
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a method which can manufacture mortar or concrete superior in flowability even if silica fume having large BET specific surface area is used.SOLUTION: A manufacturing method of mortar which contains binder containing Portland cement that content of 2CaO-SiOcalculated with a Bogue equation is 30-60 mass% and silica fume that BET specific surface area is 13-21 m/g, high efficiency water reducing agent, fine aggregate and water, and water-binder ratio is 10-25 mass% includes: a first kneading step kneading the binder, the fine aggregate and 20-100 mass% of the total quantity of water and getting kneading matter; and a second kneading step kneading the kneading matter provided in the first kneading step and remaining all materials, and getting mortar.

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Inventors:
TANIMURA MITSURU
SUGIYAMA SHINGO
MAEHORI SHINPEI
MORI HIROAKI
Application Number:
JP2013268102A
Publication Date:
July 06, 2015
Filing Date:
December 25, 2013
Export Citation:
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Assignee:
TAIHEIYO CEMENT CORP
International Classes:
C04B28/04; B28C7/04; C04B18/14; C04B22/06
Domestic Patent References:
JPH10287461A1998-10-27
JPH1129351A1999-02-02
JPH0542524A1993-02-23
Attorney, Agent or Firm:
Naoyuki Koda
Shuichi Kitamura
Toshiya Murachi



 
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