STUDY OF PHYSICAL AND MECHANICAL PROPERTIES OF ASPHALT CONCRETE WITH ADDITION OF SUPPLEMENT B2LAST
DOI:
https://doi.org/10.31713/budres.v0i41.002Abstract
Thepracticeofnon-rigidroadsoperatingdue to the increasedtrafficflowovertheyearsshowsthedestructionofasphaltpavementpriortothecompletionof itsservicelife. Crackingandtrackformationofnon-rigidpavementleadstothereductioninitsservicelifeand, accordingly, the reduction oftheentirepavementstructurelifespanas a whole.
Oneofthemainreasonsfortheformationofthetrackisthatmostroadsandstreetsweredesignedforthedesignloadofgroup A (100kN peraxle) andgroup B (60kN peraxle), whichareinsufficientforthecurrentincreaseinloadandintensity.
Traditionalbitumenas a partofasphaltconcrete mix isnotcapableofprovidingthnecessarystrengthcharacteristicsattheincreasedloadingonanasphaltconcretecovering. As a result, thereis a needtoimproveitwithmodifyingadditives.
Thispaperisdevotedtodeterminingthechangesinthephysicalandmechanicalpropertiesofasphaltconcretemodifiedwiththeadditive B2Last, whichcombinesthepropertiesofpolymer, waxandadhesiveadditive.