沥青混凝土连续配筋水泥混凝土复合式路面结构与材料研究

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1、东南大学硕士学位论文沥青混凝土+连续配筋水泥混凝土复合式路面结构与材料研究姓名：董侨申请学位级别：硕士专业：道路与铁道工程指导教师：倪富健20060301ABSTRACTBecauseoftheseriousoverloadandheavyload，prematuredamageofhighwayisuniversalinmanydistrictsinChina．Thus．itisurgenttoproposeproperpavementstructureagainstheavyloadtraffictoim

2、provethedurabilityandlongtimeperformanceofpavements．ItisknownthatCRCPhashigherbeariJlgcapacityanddurabilityandthatasphaltpavementhasbtm盱ridingqualitiesandiseasytomaintenance．AC+CRCPcompositepavementintegratesthemeritofthetwokindsofpavement．Itcanprovidebe=tt

3、erpavementperformanceforalongtimeunderheavyloadtraffic．Structuraldamagewouldbeavoidedandonlysomeslightmaintenanceisnecessaryforasphaltconcreteoverlay．BecauseChinaisabundantincementresourcebuthasagreatshortageofpetroleumdeposits，studyingthisnewkindofcomposit

4、epavementisofstrategicsignificance．Basedonactualengineeringitem，thestructuraldesign，materialevaluationandpavementperformanceofAC-K：RCPcompositepavementwerestudiedsystematicallyandcomprehensively．Firstly,thestructuraldesignofCRCPWaSstudiedandtheoptimalstruct

5、urewasproposedaccordingtotheactualcondition．AmethodforcalculatingthesteelcontentofluganchorterminaltreatmentsWasdeveloped．Thes[ructureofwide·flangesteelbeamterminaltreatmentWasanaiyzedbyusingfiniteelementmethods(FEM)．Secondly,accordingtothecharacteristicsan

6、dconstructionrequirementsofCRCBthecementconcretedesignwasstudied．Inordertoimprovetheconcreteperformance，aconcreteadmixturecomposedofseveralpartsofconstituentsWasused．Constructionconsiderationswerealsosummarizedfromthepractice．Thirdly,basedontheresultofFEMme

7、chanicsanalysisforthetackcoatinterfacelayer,akindoftackcoatmaterialwiththebestperformanceandtheconstructiontechnicswererecommendedafteraseriesofindoorandfieldexperiments．ThewholesetofmethodstochoosepropertackcoatmaterialandtoevaluateitsperformanceWassuggest

8、ed．Fourthly,fieldsurveysofthetestroadswereconducted，whichlastedmorethantwoyearsandincludedthedevelopmentoftransversecracksandthesl曲movementofCRCPandthermalfieldofthecompositepavement．Basedenthosesurvey