不同复合改性沥青混合料路用性能的对比研究张海涛

36220192JournalofHighwayandTransportatio[e-mail]10.3969/j.issn.1002－0268.2019.02.00111121.1500402.150080SBS、SBＲ、3AC－13AC－16AC－203。4%SBS/3%SBＲ、4%SBS/15%、3%SBＲ/15%3AC－13AC－16AC－203、、3、。34%SBS/3%SBＲ4%SBS/15%3%SBＲ/15%。3AC－20AC－16AC－13。3AC－13AC－16AC－20。。U416.217A1002－0268201902－0001－06ComparativeStudyonＲoadPerformanceofDifferentCompositeModifiedAsphaltMixturesZHANGHai-tao1GONGMing-yang1YANGBin1YANGHong-sheng21．SchoolofCivilEngineeringNortheastForestryUniversityHarbinHeilongjiang150040China2．HeilongjiangTransportInstituteHarbinHeilongjiang150080ChinaAbstractInordertoexplorethedifferenceinmechanicalperformanceofdifferentcompositemodifiedasphaltmixtureschoosing3kindsofmodifiersincludingSBSSBＲandrubberpowderandthenany2ofthemarecombinedtoprepareasphaltmixtureswithAC－13AC－16andAC－20gradations．Finally3kindsofasphaltmixturesincluding4%SBS/3%SBＲ4%SBS/15%rubberpowder3%SBＲ/15%rubberpowderandAC－13AC－16andAC－20gradedasphaltmixturesareselectedasresearchobjectsandthehightemperaturestabilitylowtemperaturestabilityandwaterstabilityofthe3kindsofcompositemodifiedasphaltmixturesaretestedbyhightemperatureruttingtestfreeze-thawsplittingtestandlowtemperaturebeambendingtest．Theresultshowsthat1intermsofperformanceofthese3kindsofcompositeasphaltmixture4%SBS/3%SBＲasphaltmixtureisthebestfollowedbytheperformanceof4%SBS/15%asphaltmixtureand3%SBＲ/15%rubberpowderasphaltmixtureistheworst2intermsofhightemperaturestabilityofthese3gradedasphaltmixturesAC－20asphaltmixtureisthebestfollowedbyAC－16asphaltmixtureandAC－13asphaltmixtureistheworst3intermsoflowtemperaturestability36andwaterstabilityAC－13asphaltmixtureisthebestfollowedbyAC－16asphaltmixtureandAC－20asphaltmixtureistheworst．Thetestfindingscanprovidereferencefortheselectionofasphaltmixturesindesignandconstructionofasphaltpavement．Keywordsroadengineeringmechanicalperformancehightemperatureruttingtestasphaltmixturemodifier01－5。。6－8。SBSSBＲSBS、SBＲ、8－11。SBS、SBＲ、4%SBS/3%SBＲ、4%SBS/15%、3%SBＲ/15%312－14。、、4%SBS/3%SBＲ、4%SBＲ/15%、4%SBS/15%、15－18。。。11.1SBS、SBＲ、SBSLG501SBＲ150280。1～3。90#4。1.2AC－13AC－16AC－20355.6%5.3%4.9%5%4%2%。1SBSLG501Tab.1TechnicalindexesofmodifierSBSStarLG501/kg·cm－2/%A/3308007631/690.942SBＲ1502Tab.2TechnicalindexesofmodifierSBＲ1502/%/1×104/MPa/%/%/%/≤220－303132022.5－24.5≥75＜40380Tab.3Technicalindexesofrubberpowdermodifier80mesh/kg·cm－3/%/%/%/%/%/%/%2890.270.0201010.0232.8651490#Tab.4TechnicalindexesofasphaltNo.9025℃5s100g/0.1mm80～10093T0604PI－1.5～+1.0－0.77T0604T＆B/℃≥4344.5T060610℃/cm≥4590.7T060515℃/cm≥100＞100.0T0605/℃≥245300T061160℃/Pa·s≥160198T0620/%≤2.21.85T0615/%≥99.599.65T0607TFOTＲTFOT/%≤±0.8－0.64T0609/%≥5759.2T060410℃/cm89.7T06052263.5mm101.6mm300mm×300mm×50mm。10～20℃。5Tab.5Gradationsofaggregatesmm/%26.5191613.29.54.752.361.180.60.30.150.075AC－131009576.5533726.51913.5106AC－1610099.288.568.743.530.320.314.410.58.56.4AC－2010093.483.173.358.543.028.419.913.39.17.35.51.325℃、5℃、、135℃4%SBS/3%SBＲ、4%SBS/15%、3%SBＲ/15%3。3、、。。《》JTGE20—2011。236。6Tab.6Performanceindexesofdifferentcompositemodifiedasphalts25℃/0.1mm5℃/cm/℃135℃/Pa·s①4%SBS/3%SBＲ55.928.3731.846②4%SBＲ/15%41.96.2675.830③4%SBS/15%47.114.783.76.89263②＜③＜①。②③SBSSBＲ①。SBＲSBＲ②。63①＞③＞②。5℃。SBSSBＲSBSSBＲ。SBＲSBS。63③＞①＞②。SBSSBＲ。63③＞②＞①。②③3Pa·s①。33.160℃1。160℃Fig.1Ｒesultof60℃ruttingtest14%SBS/3%SBＲ＞4%SBS/15%＞4%SBＲ/15%336。4%SBS/3%SBＲ4%SBS/15%4%SBＲ/15%4%SBS/3%SBＲ＞4%SBS/15%＞4%SBＲ/15%。SBS/SBＲSBS/SBＲ/。SBS/SBＲ/SBSSBＲ。SBＲSBＲ。AC－20＞AC－16＞AC－13AC－20AC－16AC－13。AC－20＞AC－16＞AC－13。3.22。2Fig.2Ｒesultofbeambendingtest24%SBS/3%SBＲ＞4%SBS/15%＞4%SBＲ/15%。4%SBS/3%SBＲ4%SBS/15%4%SBＲ/15%。。SBＲSBSSBＲ。SBＲSBＲ。AC－13＞AC－16＞AC－20AC－13AC－16AC－20。AC－13＞AC－16＞AC－20。AC－13＞AC－16＞AC－20。3.33。3Fig.3Ｒesultoffreezing-thawingsplittest4233TSＲ4%SBS/3%SBＲ＞4%SBS/15%＞4%SBＲ/15%4%SBS/3%SBＲ4%SBS/15%4%SBＲ/15%。SBS/SBＲ4%SBS/3%SBＲ。4%SBＲ/15%。TSＲAC－13＞AC－16＞AC－20AC－13AC－16AC－20。。4134%SBS/3%SBＲ4%SBS/3%SBＲ。234%SBS/3%SBＲ4%SBS/15%4%SBＲ/15%。33AC－20＞AC－16＞AC－13。AC－13＞AC－16＞AC－20。44%SBS/3%SBＲ。Ｒeferences1．AC－20J．201231148－50．SUNJi-shuCHENZhao-xiaXIAOTianetal．EffectofWheelPressureandTemperatureonＲutＲesistanceofAC－20AsphaltMixtureJ．JournalofChongqingJiaotongUniversityNaturalScienceEdition201231148－50．2．J．2008282172－176．GUOZhao-yangHEZhao-yiCAOYang．ＲesearchonModificationMechanismofWasteTireＲubberPowderModifiedAsphaltJ．JournalofChinaandForeignHighway2008282172－176．3．J．2011351113－117．LIPei-longZHANGZheng-qiLIHong-hua．ＲesearchonConditionsofHamburgWheelTrackingTestandEvaluatingIndicatorforAsphaltMixtureJ．JournalofWuhanUniversityofTechnologyTrafficScienceandEngineeringEdition2011351113－117．4．J．2017443144－147．CHENGPei-fengLIYi-mingLIJi-tingetal．ExperimentalＲesearchonAgingPropertiesofＲubberAsphaltJ．NewBuildingMaterials2017443144－147．5．J．2017423320－326．SONGMao．StudyonApplicabilityofWarmＲubberModifiedAsphaltMixtureinHighAltitudeColdＲegionsJ．HighwayEngineering2017423320－326．6．SBSJ．2002302189－192．HUANGWei-dongSUNLi-jun．MixingPrincipleandProcedureofSBSModifiedAsphaltJ．JournalofTongjiUniversityNaturalScienceEdition2002302189－192．7．－－J．20092237－13．ZHENGNan-xiangNIU