Properties & Specifications Paving Asphalt PG 64-22 product meets AASHTO M320 specification requirements: Asphalt PropertyUnitsMethodAASHTO M320 Flash Point (C.O.C.)°CAASHTO T48230 min Apparent Viscosity at 135°CPa.sAASHTO T3163.00 max Mass change, RTFO residuemass%AASHTO T2401.00 max ...
在综合分析各种沥 混合料设计系统,其 中的沥青结合料规范 青的试验结果的基础上,提出了常规沥青的针人度 (PerformanceGradedasphaltbinderspecification, 等级和SUPERPAVE的PG高温等级间的关系。 简称PG分级)作为SUPERPAVE的主要内容之一 1 沥青样品 引起了极大关注。目前该规范已经在美国的多数州得 到了广泛的应用。由于...
(SHPR) began and 14 one of the objectives of SHRP was to improve asphalt binders and the asphalt mix design process 15 (1). The result of the SHRP work on asphalt resulted in a Superpave Performance-Graded 16 Binder Specification (2) that allows agencies to specify asphalt binders that ...
gradedasphaltbinderspecificationsare2differentgrading systems.Inordertoinvestigatethereliabilityandapplicabilityofthese2systems,conventional penetrationtestandDSRtestatmulti-temperatureareconductedonoriginalandTFOTresidue of7representativeconventionalasphalt.25CpenetrationandPGhightemperatureparameter arealsomeasuredonasphalt...