BETON DE JOINTEMENT ET PROCEDE DE JOINTEMENT FAISANT APPEL A CE BETON- Brevets EP0990629 (A1)

BETON DE JOINTEMENT ET PROCEDE DE JOINTEMENT FAISANT APPEL A CE BETON

N° de brevet:	EP0990629 (A1)
Date de publication:	2000-04-05
Inventeur(s):	ABE YOICHI [JP];KAMETA SHOICHI [JP];SATO RYOICHI [JP];TANAKA SATOSHI [JP];TOMITA ROKURO [JP];
Demandeur(s):	NEW TOKYO INTERNATIONAL AIRPOR [JP];
Classification:	C04B28/04;C04B40/00;C04B41/50;C04B41/65;E01C7/14;E01C23/00;
N° de demande:	EP19990913674 19990415
Numéro(s) de priorité:	WO1999JP02011 19990415;JP19980124166 19980417

Résumé dans la langue de publication Provided is an overlay concrete which is good in bond to existing concrete fabrics and satisfies properties such as strength, durability and workability. The overlay concrete of the present invention comprises an AE water reducing agent or superplastisizer, and has a slump of 2 to 8 cm, a cement-water ratio of 35 to 45%, and a sand-coarse aggregate ratio of 36 to 42%.