疆地区废旧地膜pesbs改性沥青及其混合料路用性能研究

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1、PavementPerformanceoftheWasteFilmPE／SBSCompositeModifiedAsphaltMixtureinXinjiangRegionAbstractXinjiangisalargeofresourceprovince．Withtherapiddevelopmentofthehigh。gradehighway，overloadingofheavytrucksonhighwayisaseriousprobleminXinjiang．Inaddition，duetothelargetemperaturedifferencebetweenad

2、ayandnight，therepeatedthermalcycles，thes仃ongultravioletradiationandotherspecialconditions，thetraditionalasphaltmaterialscannotmeettherequirementsofpavementperformancefortheheavytraffic，durabilityandstability．Theasphaltroadmaterialqualityrequirementsateincreasing．Itisurgenttoimprovetheaspha

3、ltmixtureperformance．Thereforetheresearchanddevelopmentofhighperformanceasphaltpavementmaterialsisimperative．ThisarticleDependingonScienceandTechnologyDepartmentofXinjiangUygurAutonomousRegionthehighperformancemodifierofasphaltpavementmixturedevelopmentanddemonstrationproject(201432111)．Th

4、roughtheliteraturereviewofpreviousdomesticandabroadstudies，andalargenumberofindoortests，therecycledPEwasobtainedusingcollectedwasteagriculturefilm，therecycledPEandSBScompositemodifiedasphaltwasmanufacturedwhichacertainproportionofaddedtojointhematrixasphalt,throughthedifferentdosageofPE／SB

5、Scompositemadefrommodifiedasphaltbyusinghighspeedshearingequipmentthattestingbasicperformance，analysisandevaluationfromtheaspectsofmodifiedasphaltmixturethatPE／SBSmodifiedasphaltmodificationeffect．Usingorthogonalexperimentdesign，theeffectsofthemodificationagentdosage，proportionofmodifierco

6、mponents，stirringtimeandstirringspeedontheasphaltperformancewasconsidered．Basedontheorthogonalmatrixanalysisattheoptimumasphaltbindercontent,optimumparametersforpreparingPE／SBScompositemodifiedasphaltare：6％content，l：1PE／SBSratio，30minstirringtime，3000r／minstirringspeed．ThroughPE／SBSmodifie

7、dasphaltmixturetest，theresultsshowthatthematrixasphMtaddingPE／SBScompositemodifiercanimprovemoisturesusceptibilityofasphaltmixturethehigh-temperaturestabilityandlowtemperatureproperties．Tosumup，usingthecompositemodifiedmadewithrecycledPEfromwasteagriculturefil