舊瀝青路面加鋪力學分析及防裂措施研究.pdf

1、湖南大學碩士學位論文舊瀝青路面加鋪力學分析及防裂措施研究姓名：江毅申請學位級別：碩士專業(yè)：道路與鐵道工程指導教師：黃立葵顏可珍20090428I『1瀝青路面加鋪力學分析及防裂f；施研究—■——鼉—一I————————IIqII鼉—■量置鼉—■皇_AbstractWiththecontinuingrapiddevelopmentofthenationaleconomythehighwayasphaltpavementstructurege

2、tsmoreincreasinglywideapplicationAttendantproblemsaretheinjuryoftheasphaltpavcmentstructurebecomingmoreandmoreseriouslyInordertoimprovethepavementperformance，promotethecarryingcapacityandprolongtheservicedeadline，sometec

3、hniquesmustbetakentopavementrenovationPavingasphaltpavementontheoldasphaltpavementisacommoneffectivetechniqueforpavementrenovationIthastheadvantagesofshortconstructionperiod，littlesideeffectsfortransportationandgoodservi

4、ceafterrenovationCurrently，theresearchofourcountryonasphaltoverlaystructuretype，designmethodandconstructiontechniquearealsofewItwasnecessarytesearchontheasphaltoverlayontheoldasphaltpavementThisthesishavebeenthoroughlyan

5、dsystematicallyextendingtheresearchonthemechanicsanalysisofasphaltoverlay，analysisofthecausesofpavementdamage，thenresearchonthemeasuresofcrackresistantAllofthosewillbehelpofoverlaydesignTheprimarycontentsareasfollows：(1)

6、Basedonlinearelasticitytheory，establishthethree—demensionmodel，theinfluenceofparameterslikeoverlaythickess，modulus，axesloadingandhorizontalloadisstudiedCrackinglength，widthandtheeffectofbondconditiononoverlayperformancea

7、reemphaticallyanalyzed(2)Caculatedthemechanicalofoverlayundertemperature，thecouplingofloadandtemperature，factorseffectthemechanicalconditionoftheoverlayareanalyzed(3)Fromthepointsofpreviousresearch，theanticrackingmechani

8、smofseveralnewoverlaytypesisanalyzedTheloadingstress，thermalstress，andcoupledstressareemphaticallyanalyzedconsideringtheasphaltoverlaywithgeosynthetics，stressabsorptionlayer，gradedcrushrockcrackingrelieflayerKeyWords：Asp