B. G�mez-Meijide
Stiffness of cold asphalt mixtures with recycled aggregates from construction and demolition waste
G�mez-Meijide, B.; P�rez, I.; Airey, G.; Thom, N.
Authors
I. P�rez
GORDON AIREY GORDON.AIREY@NOTTINGHAM.AC.UK
Professor of Pavement Engineering Materials
NICK THOM NICHOLAS.THOM@NOTTINGHAM.AC.UK
Assistant Professor
Abstract
The stiffness of cold asphalt mixtures (CAM) with 100% recycled construction and demolition waste aggregates (CDWA) was studied from three different points of view: the indirect tensile stiffness modulus (ITSM), the dynamic modulus at different temperatures and frequencies and the correlation between them. It was found that CAM with CDWA frequently achieved higher stiffness than control mixes using natural aggregate (NA), but that they required significantly higher bitumen and water contents. They were less temperature susceptible, therefore potentially more fatigue resistant, but more complicated to design. Finally, a clear dependency on the compaction process (static and gyratory) was also found.
Journal Article Type | Article |
---|---|
Acceptance Date | Dec 24, 2014 |
Online Publication Date | Jan 9, 2015 |
Publication Date | Feb 15, 2015 |
Deposit Date | Aug 13, 2018 |
Journal | Construction and Building Materials |
Print ISSN | 0950-0618 |
Publisher | Elsevier |
Peer Reviewed | Peer Reviewed |
Volume | 77 |
Pages | 168-178 |
DOI | https://doi.org/10.1016/j.conbuildmat.2014.12.045 |
Public URL | http://www.scopus.com/inward/record.url?eid=2-s2.0-84920684646&partnerID=40&md5=5e04c3cbba5bd2487fac122616d11276 |
Publisher URL | https://www.sciencedirect.com/science/article/pii/S0950061814013476?via%3Dihub |
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