舊瀝青路面加鋪力學(xué)分析及防裂措施研究.pdf

1、湖南大學(xué)碩士學(xué)位論文舊瀝青路面加鋪力學(xué)分析及防裂措施研究姓名：江毅申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：道路與鐵道工程指導(dǎo)教師：黃立葵顏可珍20090428I『1瀝青路面加鋪力學(xué)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