セメント混和材、これを含むセメント組成物及びコンクリート - National University Corporation Tokyo University

Title:

セメント混和材、これを含むセメント組成物及びコンクリート

Document Type and Number:

Japanese Patent JP5388020

Kind Code:

B2

Abstract:

It is an object of the invention to provide a cement admixture that can form concrete having a sufficient self-healing capability and satisfactorily maintaining its self-healing capability for prolonged periods. The cement admixture of the invention contains an expanding material and an alumina-silicate with swelling properties. The cement admixture is combined with cement to form a cement composition. The cement composition is mixed with water and an aggregate to provide concrete with an excellent self-healing capability.

More Like This:

WO/2012/077418	CEMENT ADMIXTURE, CEMENT COMPOSITION, AND HEXAVALENT CHROMIUM REDUCTION METHOD USING SAME
JP5783625	Hard-hardening cement admixture for low temperature and hard-hardening cement composition for low temperature
JP7307976	High strength class C fly ash cement composition with controllable setting

Inventors:

Toshiharu Kishi
Hiroshi Adai
Akira Hosoda
Kaoru Kobayashi

Application Number:

JP2008033548A

Publication Date:

January 15, 2014

Filing Date:

February 14, 2008

Export Citation:

Click for automatic bibliography generation Help

Assignee:

National University Corporation Tokyo University
National University Corporation Yokohama National University
East Japan Railway Company

International Classes:

C04B22/08; C04B14/10; C04B14/12; C04B22/06; C04B22/10; C04B22/14; C04B22/16; C04B24/26; C04B28/02; C04B111/72

Domestic Patent References:

JP2005035836A
JP2004292201A
JP2006219320A
JP2006248887A
JP2000272943A
JP2000280223A

Attorney, Agent or Firm:

Yoshiki Hasegawa
Yoshiki Kuroki

Previous Patent: BENDING MOLDING METHOD OF REINFORCED CEMENT MORTAR SHEET COMPOSITE

Next Patent: JPS5388021