Superpave混合料施工工藝與質量過程控制技術研究.pdf

1、Y9788061QZ!Q=23壘!壘長安大學碩士學位論文過猩控制撞苤硒究張春燕指導教師姓名堡盤鱧盤墊鲴遂渣盎苧申請學位級別塑盤學科名稱墊熊設鹽魚理論一oo。_________●_‘_‘____■_‘__一論文提交日期2QQ互：3論文答辯日期2QQ。三：22學位授予單位長安占鱟答辯委員會主席：叁亞盔盤墊學位論文評閱人：垂盤盤蕉墊熊堡壘墼墊StudyonConstructionTechnologyProcessandQualityContr

2、olTechnologiesofSuperpaveHMAAbstract：SuperpaveHMAisanewtypemix，ithasdevelopedalongwiththeincessantdevelopmentoffreewaydiseaseincreasinglyserious，suchashightemperaturerut，lowtemperaturecrackandwaterdamageAndithasgreatshea

3、ringstrength，highlyresistanttuttinganddistortion，therefore，thistypemixemergedasthetimerequireandhasbeenusedforitsadvantageinsomeconstructionofhighwaysofoverseasandhomeAsSuperpaveisuniquetoseriesgradeandcoarse—gradedmixtu

4、res，belongstOthecategoryofmixratherdifficultlyconstructandcompactSoanumberofsegregationproblemsdoexistingeasilyistheinherentdefectofthetypemixduringthecourseofconstructionwhichseriouslyaffectsthemixingqualityandperforman

5、ceAtpresentoperatorsoffreewayinoverseasandhomehavegivenenoughregardtosegregationofhotmixasphalt，howeverforSuperpavemixespeciallythereisnosystemicresearchontheproblemofconstructiontechnologyandqualitycontr01Forsolvingthis

6、problem，thecausationandeliminatingmethodsoftheconstructiontechnologywerestudiedsystemicallyintheplacementofSuperpavemixtureThisreportingbeganwiththedesignideasofSuperpavemixture，analyzedonesidednessoftraditionaldesigncon

7、ceptmanytllilll【itisprobabletopaveidealroadonlyifdesigntheidealmixtureAccordingtothestudyonreasonsandmechanismsofSuperpavemixturesegregationinmechanizedconstructionprocess，anewmixingdesignconceptWasputforwardItisconsider

8、edthattheplacementuniformofHMA，layerqualitytheparameteradjustingofequipmentandconstructiontechnologyisallcorrelatednearlynotjustreliedonthemixdesignStaringfromstructureoftheproductionequipmentandthephysicalcharacterofagg

9、regate，constructorsintroducedinfraredphotOgraphyandnucleargaugeandSOonadvancedapparatusinthejoblocationsSeveralsegregationreasonsofmixtureinproductionandconstructionwereanalyzedTheparametercalibrationandadjustingofmixera

10、ndpavewererevealedAccordingtothematefiMmixture，differenteliminationprincipleandmethodstOminimizesegregationwerediscussedandcorrespondingmechanismsandeffectswereexpatiatedseverallyTheresultsindicatedthatitisnecessarytouse