Thispaperpresentsastudyontheproductionofasphalttestspecimensinthelaboratorycontainingreclaimedasphalt.Themixtures consideredwerestonemasticasphaltconcretemixturescontainingupto30%ofreclaimedasphalt.Specimenswerecompactedto thereferencedensityobtainedfromtheMarshallmixdesign.Gyrationcompactionmethodwasusedforpreparingspecimensfor theexperimentalprogramme,whilecoringandcuttingmethodsandX-raycomputedtomography(CT)wereusedtoinvestigatethe changeinpropertieswithinthespecimensandtovalidatetheselectedmethodology.Thestudyconcludedthatgyratorycompaction issuitabletoproducehomogeneoustestspecimensalsoformixturescontaininghighamountofreclaimedasphalt.Nevertheless, preliminarytrialsforeachmaterialaremandatory,aswellasfinalcoringandtrimmingofthespecimensduetosideeffects.
Lo Presti, D., Khan, R., Abdul Hassan, N., Airey, G., Collop, A. (2014). Laboratory mix design of asphalt mixture containing reclaimed material. ADVANCES IN MATERIALS SCIENCE AND ENGINEERING, 2014 [10.1155/2014/507082].
Laboratory mix design of asphalt mixture containing reclaimed material
Lo Presti, D.;
2014-01-14
Abstract
Thispaperpresentsastudyontheproductionofasphalttestspecimensinthelaboratorycontainingreclaimedasphalt.Themixtures consideredwerestonemasticasphaltconcretemixturescontainingupto30%ofreclaimedasphalt.Specimenswerecompactedto thereferencedensityobtainedfromtheMarshallmixdesign.Gyrationcompactionmethodwasusedforpreparingspecimensfor theexperimentalprogramme,whilecoringandcuttingmethodsandX-raycomputedtomography(CT)wereusedtoinvestigatethe changeinpropertieswithinthespecimensandtovalidatetheselectedmethodology.Thestudyconcludedthatgyratorycompaction issuitabletoproducehomogeneoustestspecimensalsoformixturescontaininghighamountofreclaimedasphalt.Nevertheless, preliminarytrialsforeachmaterialaremandatory,aswellasfinalcoringandtrimmingofthespecimensduetosideeffects.
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