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Overview of bituminous mixtures made with recycled concrete aggregates

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URI: http://hdl.handle.net/2183/16606

Publication date

2015-01-15

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Bibliographic citation

PASANDÍN, A. R.; and PÉREZ, I. Overview of Bituminous Mixtures made with Recycled Concrete Aggregates. Construction and Building Materials, 1/15, 2015, vol. 74, pp. 151-161. ISSN 0950-0618.

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Academic degree

Abstract

[Abstract] Recycled concrete aggregates (RCA) appear to be suitable materials to use in hot-mix asphalt (HMA) for flexible road pavements. However, the poor quality of RCA results in different engineering properties of an HMA using RCA compared to mixtures composed of natural aggregates. This paper presents a review on the properties of HMA with RCA. Varied laboratory results were obtained, likely because of the heterogeneous nature and origin of the RCA. Nevertheless, a majority of the studies report a high stripping potential of RCA mixtures. Several treatments help mitigate this problem. Additionally, select test stretches of the RCA mixture exhibited good performance.

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Keywords

Recycled concrete aggregates Hot-mix asphalt Mechanical properties Test stretches Unbound road subbase Demolition waste Building-materials Construction Debris HMA Pavements Base Bituminous mixtures Hot mix asphalt

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http://dx.doi.org/10.1016/j.conbuildmat.2014.10.035

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Copyright © 2014 Elsevier Ltd. All rights reserved.

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Investigación (ETSECCP)