1、長沙理工大學碩士學位論文瀝青砂漿粘彈性試驗分析姓名：龐海峰申請學位級別：碩士專業(yè)：道路與鐵道工程指導教師：應榮華20090401ABSTRACTAsphaltmixtureconsistsof3parts，includingcoarseaggregate，fineaggregateandasphaltWemixthefineaggregateintoasphalt，whichformanewmixturewenameditasphalt

2、mortarBecausethemixtureissimilartothesandandthecementincementconcreteAsdispersedphase，thegraindiameterofthefineaggregatebelow475mmdispersesintheasphaltmatrixphasewhichcanformparticlesreinforcedmaterialInthiswaywecanseeth

3、atmixingthefineaggregatemayimprovethepropertyofasphaltmortarobviouslyWeuseasphaltmortarinsteadofpureasphalttofillintothespaceofcoarseaggregateparticles，whichmayimprovepavementperformanceofasphaltconcrete，especiallytheper

4、formanceofasphaltmixtureUptonOW，therearemainlytwoaspectstodealwithhowtoimprovethepavementperformanceofasphaltmixtureOneistostudyontheperformanceofasphaltmortarTheotheristostudyonthegradationofaggregateHoweverbothofthemar

5、eignoredthestudyontheperformanceofasphaltmortarThispaperanalyzestheeffectscausedbydifferentfineaggregatecontentsanddifferentaggregateparticlediameters，Wefindthatthecontentandthediameterhaveinfluenceonthebasicperformanceo

6、fasphaltmortarthroughcompressivestrengthtests，directtensiletestsandbendingtestsofsmallbeamofasphaltmortarThroughthetests，wecanseethatwiththeincreaseoffineaggregatecontentsinasphaltmortarallofthecompressionstrength，tensil

7、estrengthandbendingstrengthincreaseHowevertherewillbeapeakinthemaximumflexuretensilestrainwhichillustratesthatthecontentofaggregatesisnotbiggeralwaysbetterThereexistsaoptimumvalueThediameteroftheaggregatemayhaveeffectont

8、heperformanceofasphaltmortarThatis，mixingthesameweightaggregate，theaggregatewithsmallerdiameterhavegreatereffectontheperformanceofasphaltmortarthantheonewithlargerdiameterWegetviscoelasticparametersofasphaltmortarcreepin

9、gbydoingcompressioncreeptestsonasphaltmortarcomposedofdifferentaggregatesandusingBurgersincreepcurvefittingThetestsshowthatwiththeincreaseofthefineaggregatecontestsinasphaltmortarthemodelparametersEl、E2、刁，、J72increaseAnd