COMPOSITION DE BETON UTILE POUR PROCEDE DE RECOUVREMENT ET PRODUIT DURCI OBTENU A PARTIR DE CELLE–CI

N° de brevet: EP1002775 (A1)
Date de publication: 2000-05-24
Inventeur(s): KAMETA SHOICHI [JP];SATO RYOICHI [JP];ABE YOICHI [JP];TANIMURA MAKOTO [JP];NIINUMA TETSURO [JP];NAKAMURA HIDEMI [JP];OGAWA SHOICHI [JP];
Demandeur(s): NEW TOKYO INTERNATIONAL AIRPOR [JP];
Classification: C04B28/02;C04B28/04;E01C7/14;E01C23/00;
N° de demande: EP19990917126 19990423 
Numéro(s) de priorité: WO1999JP02168 19990423;JP19980119086 19980428 
Résumé dans la langue de publication The invention provides a concrete composition used in an overlay method of construction which is used for improving a deteriorated paved surface and/or a paved layer, the concrete composition comprising a cement, a shrink-reducing agent, an expanding agent, a high performance AE water-reducing agent and an AE agent, wherein the cement is a normal portland cement and/or a low heat portland cement. The concrete composition used in an overlay method of construction is rich in the bonding strength between an existent paved layer and a new surface layer and is resistant to exfoliation, cracking of a new surface layer and wear.

Copyright © 2008 Patfr.com Tous droits réservés. Contact