玻纖格柵在防治瀝青加鋪反射裂縫中的應用研究.pdf

1、武漢理工大學碩士學位論文玻纖格柵在防治瀝青加鋪反射裂縫中的應用研究姓名：黃彬申請學位級別：碩士專業(yè)：工程力學指導教師：李之達20100501武漢理工大學碩士學位論文AbstractAtpresent，thereflectivecrackingintheasphaltoverlaypavedontheexistingcementconcretepavementisthecommonproblemTheproblemsofreflectiv

2、ecrackingincompositepavementsarestudiedbyhomeandOVerSeasscholarsButreasonableandfeasibletechniquemeasureisnotformedThispaperisbasedonHubeiprovince’Sprojectofusedroads’reformationincityofHuanggang，studiedthedelayingreflec

3、tivecrackingofglass—fiberontheasphaltoverlayThispaperhasanalysedthetakeformmechanismreflectivecracking’sexpansionwayofcompoundroads，aswellasthedamagetotheroads；ananalysedsomepreventionmeasuresonthereflectivecrackingThema

4、inpreventionmethodshave：increasetheasphaltconcreteoverlaythickness，layapieceofstressabsorptionlayer，betweentheoldportlandcementconcretepavementandasphaltconcreteoverlayandSOonThispaperalsoanasysedthegoodqualitiesandshort

5、comingstwomainkindofstressabsorptionlayerandaccordingwhatIamstudyingistheloadingstresshere，finallychoosetheglassfibertobethestressabsorptionlayerThesubjectadoptsthelayeredelasticsystemtheorybuildstwomodelsofthecompoundro

6、ad，andanalyzestheanalyticsolutionofstressanddisplacementaccordingthebordersconditionsFinallyIbuildthree—dimensionalfiniteelementmodelofthecompoundroadbasedonANSYS，carryoutcomparativeanalysisbyafewformdata，andfindout：with

7、theincreaseoftheasphalt’Sthickness，thecompositepavement’Sstresswilldecline，buttheasphaltcannottoothick，asontheollehanditistooexpensive，ontheotherhandtheeffectisnotobviouswhentheasphaltistoothick；withtheincreaseoftheaspha

8、lt’Smodulusofelasticitythecompositepavement’sstresswilldecline；withtheincreaseoftheglassfiber’smodulusofelasticitythecompositepavement’Sstresswilldecline；andtheglass—fiber’smodulusofelasticityalsocannotbetoobig，aswheniti