The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 20, 2020
Filed:
Apr. 11, 2018
Applicants:
Sumitomo Mitsui Construction Co., Ltd., Tokyo, JP;
The University of Tokyo, Tokyo, JP;
Tokyo University of Science Foundation, Tokyo, JP;
Inventors:
Assignees:
SUMITOMO MITSUI CONSTRUCTION CO., LTD., Tokyo, JP;
THE UNIVERSITY OF TOKYO, Tokyo, JP;
TOKYO UNIVERSITY OF SCIENCE FOUNDATION, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C04B 28/08 (2006.01); C04B 14/06 (2006.01); C04B 14/28 (2006.01); C04B 18/14 (2006.01); C04B 22/06 (2006.01);
U.S. Cl.
CPC ...
C04B 28/082 (2013.01); C04B 14/06 (2013.01); C04B 14/28 (2013.01); C04B 18/144 (2013.01); C04B 18/146 (2013.01); C04B 22/062 (2013.01);
Abstract
Provided is a concrete composition, including: blast furnace slag; at least any one of expansive additive and cement; and water, wherein a unit water content of the water is 130 kg/mor less; wherein a content of the cement is 22% by mass or less relative to the blast furnace slag, and wherein a slump flow value of the concrete composition is 40 cm or greater.