以壓實參數和間接拉伸強度評價瀝青混合料抗車轍性能.pdf

1、長沙理工大學碩士學位論文以壓實參數和間接拉伸強度評價瀝青混合料抗車轍性能姓名：張華申請學位級別：碩士專業(yè)：道路與鐵道工程指導教師：李宇峙黃云涌20070401ABSTRACTWiththeincreasingofthetraffic，automobileaxleloadsandtheehannelizedtrafficforming，SOtheproblems，whichcomeoutofoverloadedandheavyloaded

2、cararemoreandmoreoutstanding，theruttingdamageinasphaltsurfaceofhighwayinourcountryhasalreadybecomeanoticeableproblemRuttinginasphaltconcretecanoccurfromtwotypesofmechanicalresponse：viscousflowandplasticdeformationPlastic

3、deformationoccursasaggregateparticlesmoveslightlyrelativetooneanother，whichisaccompaniedbyviscousflowintheasphaltcementbindingthesepaniclestogetherThebehaviorofasphaltconcretecanbeanalyzedbytheMohr—CoulombfailuretheoryTh

4、istheorypredictsthatthestrengthofamaterialsuchasasphaltconcretedependsuponbothcohesionandinternalfrictionTheinternalfrictionisanimportantparameter，indicatingthedegreeofinteractionamongparticlesAnasphaltmixturemadeofaggre

5、gateswithrelativelypoorinternalfrictionismoresusceptibletuttingThecohesion，inasphaltconcrete，isaparameterthatindicateshowstronglythebindercanbindtheaggregatestogetherItismostlyafunctionofbindercontent，bindergradeandmixte

6、mperatureTheIDTstrengthtestisameasureoftensilestrengthanffagoodindicatorofmixturecohesionIDTstrengthwouldprovideinformationoncohesion，specificallyasphaltbinderstiffness，butnotangleofinternalfrictionprovidedbytheaggregate

7、sThecompactionparameters，whichisderivedfromSGC，capturedchangesinaggregatecharacteristics，butwasinsensitivetoasphaltbindervolumeandstiffnessSoitcouldbeexpectedthatcompactionparameterswouldprovideinformationOiltheangleofin

8、ternalfriction，a，butnotoncohesion，CThustheuseofcompactionparameters，alongwithIDTstrengthcanprovideanindicatorofruttingresistanceofanasphaltmixtureTheobjectiveofthispaperistoverifyiftheruttingresistanceofanasphaltmixture，

9、asdeterminedfromtheasphaltpavementanalyzer(APA)，isafunctionofthecompactionparametersasderivedfromtheSGC，volumetricpropertiesandtheIDTstrengthofthemix，asevaluatedfromMarshallStabilometerKeyWords：AsphaltMixture；Rutting；IDT