高寒、大溫差郎川路瀝青路面半剛性結(jié)構(gòu)層開裂機理與處治技術(shù)研究.pdf

1、西南交通大學碩士學位論文高寒、大溫差郎川路瀝青路面半剛性結(jié)構(gòu)層開裂機理與處治技術(shù)研究姓名：劉東申請學位級別：碩士專業(yè)：建筑與土木工程指導教師：李遠富蘭波20080901西南交通大學碩士研究生學位論文第1I頁AbstractKeyWords：Road；AsphaltPavement；Semirigid；CrackThecrackofthesemirigidstructurelayerisoneofthemajorcausefortheea

2、rlystagedestructoftheasphaltpavement，LangchuanRoadislocatedatthehighaltitudeandcoldzonewithlowtemperature，galeandlargedifferenceintemperature，whichismoreliabletoinducethecrackofthesemi—rigidlayerfurthermorereflectingtoth

3、easphaltcoverlayerascracksThisseverelyaffectsthepassagecapabilityandlifespanofthepavementThispaperuseNationalRoad213LangchuanRoadasasurportingproject，givingastudyontheLangchuanRoadasphaltpavementsemirigidstructurelayer’S

4、crackunderthehighaltitude，coldandlargedifferenceintemperatureenvironmentThroughtheinvestigationandanalysisofsemirigidstructurelayer’Scrackdisease，thecharacteristicanddominantdamagestyleofthesemi—rigidstructurelayer’Scrac

5、khadbeenclearandanalysisisalsogiventothefactorswhichresultinthecracks，thusthemajorcrackpreventionmeasuresarehereputforwardAimingatthespecialclimateconditionofthehigh—altitude，coldandlargetemperaturedifferencezone，combine

6、dwiththeactualconstructionsituationoftheLangchuanRoadcementstabilizedmacadambasecourseandsubbase，discussionsareprogressedonthekeyconstructiontechniquestoreducethesemi—rigidstructurelayer’Stemperatureshrinkanddryshrinkcra