Performance Properties of CRM Asphalt Binders Containing Wax Additive

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dc.contributor.advisorLee, Soon-Jae
dc.contributor.authorKim, Hyunhwan
dc.contributor.committeeMemberHu, Jiong
dc.contributor.committeeMemberSong, In-Hyouk
dc.date.accessioned2014-08-15T15:49:14Z
dc.date.available2014-08-15T15:49:14Z
dc.date.issued2014-08
dc.description.abstractRheological properties of crumb rubber modified (CRM) binder with wax additive were evaluated at high, intermediate and low temperatures. CRM binders were blended using two wax additives and then artificially short-term and long-term aged using the rolling thin film oven (RTFO) and pressure aging vessel (PAV) procedures. Superpave binder tests were carried out on the binders through the rotational viscometer (RV), the dynamic shear rheometer (DSR), and the bending beam rheometer (BBR). The viscosity properties were evaluated using the RV at two testing temperatures of 135°C and 120°C for three different periods of 30, 120, and 240 minutes. In general, the results of this study concluded that (1) the wax additives in asphalt binder obviously decrease the viscosity; (2) the addition of wax additives is effective to get better the rheological properties of asphalt binder in high-temperature; (3) the rubberized mixes with wax additive are expected to have better haul management; (4) the use of crumb rubber positively influence rutting and cracking properties.
dc.description.departmentEngineering Technology
dc.formatText
dc.format.extent49 pages
dc.format.medium1 file (.pdf)
dc.identifier.citationKim, H. (2014). <i>Performance properties of CRM asphalt binders containing wax additive</i> (Unpublished thesis). Texas State University, San Marcos, Texas.
dc.identifier.urihttps://hdl.handle.net/10877/5249
dc.language.isoen
dc.subjectCrumb rubber modifier
dc.subjectWarm mix asphalt binder
dc.subjectRotational viscosity
dc.subjectDynamic shear rheometer
dc.subjectBending beam rheometer
dc.subject.lcshPavements, Asphalt--Additivesen_US
dc.titlePerformance Properties of CRM Asphalt Binders Containing Wax Additive
dc.typeThesis
thesis.degree.departmentEngineering Technology
thesis.degree.disciplineIndustrial Technology
thesis.degree.grantorTexas State University
thesis.degree.levelMasters
thesis.degree.nameMaster of Science in Technology

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