R116 Heavy Duty Dense Graded Asphalt - Aapaq.org

Ed/RevNumberClauseNumberDescription of RevisionAuthorisedByEd 8/Rev 1 1.1 Performance period of asphalt clarified. GM, IC 24.06.112.2.2(b) Definition of “Filler-Binder Ratio” added. (W Stalder)4.5 Ride quality measurement clarified to be inaccordance with T188 (quarter-car model).Ed 8/Rev 2 Annex A Second table amended with respect to ridequality measurement.Ed 8/Rev 3 Global AS 2891.7.1 added as alternative test methodto AS 2891.7.3.1.1 No of heavy vehicles per lane-day replacedby ESA.Period where asphalt must not ravel, rut, etcincreased to 24 months.1.3.6 Provision for reduced frequency of testingadded.1.4.2 “ESA” and “PMB” added to Abbreviations.2.1.6(a)2.2.1(c)References to specs 3259 or 3269 removed.Clause on RAP rewritten to improve clarity.New category of RAP Approval Level “1P”and “1PW” added.2.3.1 Time period when tests related to nominatedmix submission are carried out, changed to 1month.2.4.2 Conditions for varying constituentproportions in nominated mix amended.3.3 PQP to include method of achieving requiredcompaction.3.8 Accuracy of thermometer changed to 2C.3.9 Application rate for tackcoat may be reduceddue to underlying pavement material such asprimerseal or seal.4.1.1 Asphalt layers 30 mm thickness not to betested for insitu air voids.4.1.2 Up to 5 mm reduction to core layer thicknesspermitted.Annex MTech Direction for use of rhyolite aggregateupdated.GM, IC(M Andrew)Date24.01.12GM, IC 11.06.13iii