RECYCLING SYSTEM OF CONCRETE WASTE INCUREED FROM BUILDING DEMOLITION : The quality control method of recycled aggregate concrete produced by the aggregate replacing method(Materials and Construction)

Abstract

In order to apply recycled aggregate concrete produced by the aggregate replacing method to a real structure, the quality control method was investigated, and this paper describes various qualities of the recycled coarse aggregate and recycled aggregate concrete produced by the actual plant. Specifically, the control method of an alkali-silica-reaction and chloride content for recycled coarse aggregate, and the control method of a length change and neutralization for recycled aggregate concrete were considered. Results confirmed that the demand quality of recycled aggregate concrete could be maintained according to the part to be used by the shown quality control method.