Concrete Research and Technology
Online ISSN : 2186-2745
Print ISSN : 1340-4733
ISSN-L : 1340-4733
Influence of Properties of Residual Mortar of Original Concrete on Quality of Recycled Aggregate Concrete
Hiroshi TakenakaTetsuro Kasai
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2008 Volume 19 Issue 3 Pages 21-29

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Abstract

The quality and quantity of the residual mortar greatly influence the quality of the recycled coarse aggregate and change with the mix proportion of the original concrete. In this study, an experimental examination was performed focusing on the water binder ratio and the fine aggregate content of the original concrete that influence the quality of recycled coarse aggregate and recycled aggregate concrete. As a result, it was found that the quality of the recycled coarse aggregate containing the residual mortar of the original concrete is almost equal to that of the original aggregate when the water binder ratio and the fine aggregate content of the original concrete are low.

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