The Use of Crushed Concrete Aggregate in Concrete for An Industrial Road at Ouffet

In standard specifications 300 of 1994 (CCT 300) issued by the Ministry of the Walloon Region, permission is granted in the chapter dealing with cement concrete surfaces of roads belonging to roads with light traffic, to replace a maximum of 50 % of the granulates with crushed stones. The aim of the study described here is to carry out research within a restrictive framework into the behaviour of this type of concrete crushed stone fines which are used to a limited extent in concrete for road surfaces. This paper provides a suirirnary of the initial results obtained by the laboratory study.