Field evaluation of viscosity and penetration-graded asphalt cements : final report.

PDFTech ReportResearch Report No. 107Research Project No. 63-2BLouisiana HPR 1(14)Field testsViscosityStatic penetration testAsphalt cementPhysical propertiesDurabilityAir voidsMixturesLouisianaLouisiana. Department of Highways. Research and Development SectionShah, S. C.Louisiana. Department of Highways. Research and Development SectionUnited States. Federal Highway AdministrationUS Transportation CollectionThe major objectives of this study were three-fold and can be listed as follows in their order of importance:(1) To seek data relative to the changes that occur with time in the physical characteristics of penetration and viscosity graded-asphalt cements.(2) To determine the influence of the above characteristics on the durability (performance) of asphaltic concrete pavements.(3) To relate the physical properties of the mix, specifically air voids, to the rate of hardening of the various asphalt cements