Title:
AGGREGATE FOR CONCRETE, MANUFACTURING METHOD OF AGGREGATE FOR CONCRETE AND CONCRETE
Document Type and Number:
Japanese Patent JP2017165613
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide crushed sand capable of independent use as a fine aggregate for concrete at low cost.SOLUTION: A powder content of proper particle size lacking wet crushed sand is compensated and generation of bleeding after concrete placing is inhibited by blending crushed sand generated in a dry process and containing powder content with particle diameter of 0.01 to 0.1 mm of about 65 to 75% and a powder content with particle diameter of 0.01 mm or less of 20 to 30% with the wet crushed sand having a classification point at a particle diameter of 3.5 mm at a percentage of 3 to 7 mass% to make an aggregate for concrete.SELECTED DRAWING: Figure 5
Inventors:
YAMAMOTO KAZUNARI
Application Number:
JP2016052111A
Publication Date:
September 21, 2017
Filing Date:
March 16, 2016
Export Citation:
Assignee:
CHUO SAISEKI KK
International Classes:
C04B14/06; C04B20/00
Attorney, Agent or Firm:
Shogo Sano
Kiyoshi Samukawa
Kiyoshi Samukawa