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1、浙江大學碩士學位論文橫觀各向同性地基與路面相互作用性狀解析分析姓名：李沛豪申請學位級別：碩士專業(yè)：巖土工程指導教師：朱向榮20040201浙江大學碩士學位論文橫觀各向同性地基與路面相互作用性狀解析分析李沛豪2004年2月ABSTRACT1’hepavementsystemwiththecomplicatedstructureisalwaysconsideredasalargesurfacelayerbearingontheinfinit

2、elydeepfoundationDuetocomplexityandvarietyofmater[atsandstochasticuncertaintyofloadboundarycondition，manymathematicandmechanicproblemswilIoccurinobtainingstressanddisplacementsoIutionsofthepavementsystemByfar，twohypothes

3、esonfoundationmodelhasbeenwidelyadopted：oneisWinlderfoundationmodel舊foundationmodel)thatfoundationresponsemodulusKisusedtocharacterizefoundationrigid；theotheriselastichalfspacefoundationmodel忸foundationmodel)thatelasticm

4、odulusE0andPoissonratio∥0areusedtocharacterizefoundationrigidInthepresentpaperEfoundationmodelisadoptedtosimulalehalfspaceelasticfoundationbodyInrecentyears協(xié)eoriesofelasticfoundationandlayerselasticbodysystemhavebeenwide

5、lyappliedandperfectlydeveloped，butthetheoriesoftenconsiderthemediumascontinuous，elastichomogeneousisotropyandsubmittingtosmalldeformation6，pothesis，andtheanisotropyof也emater[alhasnotbeenintroduced。Inthepaperconsolidation

6、effectsonstressanddisplacementdistributtonsaren’ttakenintoconsiderationduetosupposingthatfoundationsoilconsolidationhascompletedaftersurchargingpreloadingBasedontheinherentanisotropyandinducedanisotropyoffoundationsoilbo

7、dytransverselyisotropicelasticconstitutiverelationsareadoptedtosimulatehalfspaceelasticfoundationbodyTherelationsbetweendisplacementanddisplacementfunctionareproposedbyextendingLovedisplacementfunctiontotransverselyisotr

8、opicelastichalfspaceThegeneralstressanddisplacementsolutionsofnonaxisymmetricproblemsareobtainedbyttankeltransform，thenthetheoreticalsolutionsofstressanddisplacementintransverselyisotropicelastichalfspaceunderarbitrarylo

9、adingarcputforwardbyintroducingboundaryconditionsThehomogeneouselastichalfspacesolutionsevolvedfrONthetheoreticalsolutionsinthePaDerareinaccordwithclass[calonesSolutionsunderhorizontalandverticalloadingcanbeobtainedrespe

10、ctivelybyspecializingarbitraryloading；byanalogy、solutionsunderotherloadingcanbealsoobtainedInthepaperthehalfpacemodelwiththesurfacelayerbearinginfinitefoundationisadoptedtosimulatepavementsystemThefollowingassumptionsare

11、introduced：foundationsoiliselastic；displacementoftheinterfacebetweensurfacelayerandfoundationiscompletelycontinuous；noshearstressOccursontheinterfacebetweentheSill“facelayerandthefoundation，namelynofrictionforceAccording

12、toactualperformanceofrigidandflexiblesurfaceIayervisco—elasticmodeIandelasticplatesmodelareadoptedtespectivelysimulateflexibleandrigidsurface，andthefoundationisconsideredastransversalisotropicelasticbody。Stressanddisplac

13、ementdistributionsofthefoundationandthesurfacelayerunderstaticloadingareanalyzedbyconsideringtheirinteraction，andsomevaluableconclusionsareobtainedKeywords：Transverselyisotropicbody；Nonaxisymmetricproblem；Hankeltransform

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