Use of Crumb Rubber Modified Binders and Asphalt Mixtures in Public Works Authority Road Projects - State of Qatar
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Date
2020Author
Santagata, EzioSebaaly, Haissam
Idris, Osman Elhusain Mohamed
Ali, Moaaz Hashim M. M.
Al-Emadi, Khalid Mohd I
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This paper illustrates the approach adopted by the Public Works Authority (Ashghal)
of the State of Qatar for the widespread implementation in road projects of paving
technologies related to the use of crumb rubber modified binders (CRMBs). Such an
approach has entailed the monitoring of a full-scale preliminary trial, the definition of a
prequalification system for crumb rubber and CRMB producers, and the development
of mix design and quality control guidelines applicable to CRMB asphalt mixtures.
Experimental results obtained in the preparatory phases of work and during the approval
process of materials and mixtures are critically presented.
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- Theme 2: Materials and Transportation Engineering [43 items ]