再生材料在瀝青路面中的應(yīng)用評(píng)估.pdf

1、X8237311學(xué)位論文≤、h名再生材料在瀝青路面中的應(yīng)用評(píng)估黃躍申請(qǐng)學(xué)位級(jí)別題專業(yè)名稱童整盞筮道王壁論文提交日期2QQ5：5論文答辯日期2Q籩：互學(xué)位授予單位整盔占鱟答辯委員會(huì)主席評(píng)閱人二零零五年五月USEoFRECYCLEDMATERIALSINASPHALTPAVEMENTSlNSUPPoRToFSUSTAINABLECoNSTRUCTloNYueHuang(RoadandRailEngineering)Directedby：Pr

2、ofessorChangshunHu，ProfessorZhengqiZhangABsTRAcTUseofsecondaryaggregates，inpreferencetoquarriedminerals，incivilconstructioniscommonplaceThishasthe‘dualsustainabilitybenefits’ofreducingtheamountofwasteforlandfilldisposala

3、ndreducingdemandforextractionofdepletingresourcesPressuresfromanumberofstakeholdersemergeinthepastdecade，inaconcertedefforttomaximizetheportionofrecycledandsecondaryaggregatesinconstructionsuppliesYetinpracticeafewconcer

4、nshaveaseriouseffectonthisrecyclingattemptTheconstructionandmaintenanceofasphaltpavementsrequirematedalsinbothquantityandqualityAfeWindustrialby—productandmunicipalwastepOSSeSScomparativelyinertandconsistentproperties，ma

5、kingthemsuitableforroadusePavementsurface，directlysubjecttotyreloadingandweathering，introducesthereforeafewmorerequirementsforbothcomposingaggregatesandfinalasphaltReviewofrelevantstandardsandliteraturehelpsidentifythese

6、requirements，andperformanceofpavementstructurecontainingthoserecycledconstituentsUseofwasteglassandsteelslaginsurfaceasphaltisanalysedinthisPaperRoadsurfaceasphaltrepresentsavalueapplicationwithcontinuousdemandAsustained

7、supplyofwastematerialssuitableforeconomyrecyclingintotargetuseisnecessaryforcommercialacceptanceAstudyofwastearisingandmanagementindicatesthatalthoughpotentialsupplyisgood，afewfactors，thecostissueinparticular，haveeffecti

8、velydiscouragedtherecyclinginpracticeItiSbelievedthatthosebarriersarealSOapplicabletootherwastematerials，andafewmeasuresaresuggestedfortheirremovalPavementconstructionhasafeWfeamresindieatingitsenvironmentalsignificance，

9、whichcallsforunbiasedandaccreditedtechniquesforassessingtheimpactofmaterialsreplacementLifeCycleAsscssment凡CA)emergesasausefultooltocompareandevaluateenvironmentalloadingsbyquantifyingthetotalenvironmentalcostsassociated

10、wi也recycledmatedalsuscTlliSPaperreviewstherelevanceofLCAtotheasphaltindustry，identifynlemainphasesofpavementWOrk，anddescribeLCAresourcesinacademiaandindustrywhichmightbeofassistantetothisresearchAnexampleofongoingLCAfora