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Patent Searching and Data


Title:
LIGHTWEIGHT CONCRETE AND ITS MANUFACTURING METHOD
Document Type and Number:
Japanese Patent JP2001106560
Kind Code:
A
Abstract:

To produce lightweight concrete being lightweight equivalent to the lightweight first-class concrete being the typical high strength lightweight concrete of the lightweight concrete group and having strength characteristic far exceeding that of the lightweight first-class concrete and to provide a manufacturing method of this lightweight concrete.

This lightweight concrete comprises cement, water, coarse aggregate at least a part of which consists of ordinary aggregate and fine aggregate at least a part of which consists of lightweight aggregate. It is preferable that a water reducing agent is added and the water-cement ratio is made to be 25% or larger.


Inventors:
SHIODA HIROO
HAMAHIRA SHINICHI
KASAHARA SHIGEYUKI
Application Number:
JP28504499A
Publication Date:
April 17, 2001
Filing Date:
October 06, 1999
Export Citation:
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Assignee:
SUMITOMO OSAKA CEMENT CO LTD
International Classes:
C04B28/02; C04B111/40; (IPC1-7): C04B28/02
Attorney, Agent or Firm:
Fukuda Yasuo (1 person outside)