瀝青混合料體積參數(shù)研究.pdf

1、l雌U5】5業(yè)擔(dān)生m—二丑tⅡL々q—009—28(東南大學(xué)博士掌位論文瀝青混合料體積參數(shù)研究研究生姓名：至鹵屋導(dǎo)師姓名：遺壘量硒宜雖1，請(qǐng)畢缸啦3rJ—三』生韭L漁z提宅【J刪盟盟生塑且lQ旦學(xué)位授ft位—盞直盤(pán)』蘭薔辯毒員會(huì)手席—衛(wèi)』豈皇L一2f!々’!Z柞j童墮與選道j蠼淪之替甜㈣幽量生衛(wèi)旦型i學(xué)位攫千!般盟—生—旦—旦日k一——一AbstractMarshallmethodofmixdesignisstillthedesignm

2、ethodof鼬phaltmixillChinacurrentlyTheoptimumasphaltcontent(OAC)isthe錨senceofproportiondesignofasphaltmixtureThetestingandcomputationmethodofvolumetricpropertymainlyinfluencingfat：torsOntheOACofasphaltmixtureandtherelation

3、shipamongdifferentmethodsdeterminingtheOACarestudiedbyexperimentalstatisticsmethodTeststatisticsresultsshow，nostatistieanysignificancedifferenceintestingvariabilitywasobservedbetweenresultsofSSDmethodandparaffinedmethoda

4、ndthatstaffstieallysignificancediffereneeintestingbulkdensltyisobservedbetweentwomethodsThewaterabsorptionandmixturetypeinteractiontheairvoidsandmixturetypesinteractionsaresignificanttheroforethesinglefactorcallnotevalua

5、teltaeadnptabilityofSSDm魂todrehablyn培aecuracyofthetheoreticalmaximumspecifiegravityofpolymermodifiedasphaltmixturebyvacuumtestmethodandbycomputationmethoda∞studiedVaeuamtestmethoddoesnotholdgoodformeasuringtheoretiealmax

6、imumspecificgravityofpolymermodifiedasphaltmixtureandSMAThetheoreticalmaximumspecificgravityshouldbegainedbYtheoreticalcomputationmethodThe4landsofcomputationmethodsofvolumetricpropertyof碰刪tmixa磚comparedandanalyzed，Accor

7、dingtoeomputati01amethodinthespeeifieatiomofOUreotmtrythe卯0必and婦強(qiáng)∞greaterandairvoidsissmallerthanthatusingAmericanmethodBlowstestsshowsthechangeablevalueofOACisabout02％03％whentheblowsnumberfrom75to100n峙changeablevah∞sarc

8、thesⅢ幫thatofdtfferentMarshallindexItissuggestedadjus血gthescopeofvolumetriepropertyandkeepingthehammerblowsof75TheOACofMarshallmixdesignmethodandSuperpavemixdesignmethodisItatisfieallysignitieaneedifferenceaccordingtother

9、esultofTtestingnIeOACofMarshallisgreaterthanthatofSuperpaveThcinfluexlceofaggregategradationtypeOilOACdifferencesofeachmixtureissignificant，theinfluencesoftheotherfactorsa∞verymanllKeywords：asphaltmi，d珥島voltunetrieproper