0-6686 : improving DMS 9210 requirements for limestone rock asphalt : [project summary].
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Published Date:2013-08-01
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Language:English
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Abstract:Limestone rock asphalt (LRA) mixtures have
been produced and placed for several decades
using specification requirements currently listed
under DMS 9210, Limestone Rock Asphalt (LRA).
Several Texas Department of Transportation
(TxDOT) districts have had placement issues and
premature failures at the beginning of 2010.
These issues and failures have been attributed to
material properties. Requirements for DMS 9210
have not changed for several years and needed
to be evaluated to produce a higher-quality
material to reduce the occurrence of premature
failures and to minimize placement issues.
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