下臥剛性基巖層狀飽和半空間三維非軸對(duì)稱Lamb問題.pdf

1、天津大學(xué)碩士學(xué)位論文下臥剛性基巖層狀飽和半空間三維非軸對(duì)稱Lamb問題姓名：韓玉棟申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：結(jié)構(gòu)工程指導(dǎo)教師：梁建文20061201ABSTRACTThesteadydynamicalresponseofthesaturatedhalfspaceactivatedbyanon—axialsymmetricalconcentratedharmoniousloadonthesurfaceisaveryimportantthem

2、einthetheoryofhalfspacefoundationvibrationThethemeiSvaluableintheoryandapplicationThesaturatedsoilisconsideredafluidsaturatedporoussolidanditisappropriatetobestudiedbythetheoryoftwokindsofmediaInpractice，thefoundationisl

3、ayeredsaturatedhalfspaceAlsothereisrockunderthesaturatedsoilwhichisnamedoflayeredsaturatedspacewithbaserockThepaper觚tillationtheLambproblemandthebasictheoryand。ideaaleintroducedintothispaperThepaperisbasedongeneraltheory

4、of3Dconsolidationandtheoryofpropagationofelasticwavesinafluidsaturatedporoussolid，whichaledeliveredbyBiotThefrequencyofharmoniousloadislimitedtolowfrequencyinthepaperInadditionthepaperassumesthatthemediacan’tbecompressed

5、andtheinertiaofthefluidCallbeignoredAccordingtoaboveassumption，theHankeltransformationsofdisplacementandstressaleappliedandthesolutionsforsaturatedspaceproblemaleobtainedRadiationconditionsofwavealeappliedandthesolutions

6、forhalfsaturatedspaceproblemaleobtainedSaturatedsoilisreducedtoelasticsoilandthesolutionsforelasticspaceproblemaleobtainedApplytoboundaryconditionsofdisplacementandstressbetweenthetwosoillayers，theboundaryconditionsofthe

7、surfacestress，thesolutionsforelasticspaceproblemandsaturatedspaceproblemandsaturatedhalfspaceproblemtheintegralsolutionsforthenonaxialsymmetricalLamb’Sproblemofsaturatedhalfspacebasedonanelasticsoillayerandansaturatedsoi

8、llayerandlayeredsaturatedspacewithbaserockareobtainedThenonaxialsymmetricalLamb’SproblemisinferredbythetwOdifferentboundaryconditionswhenitisundrainedThepaperreducestheLambproblemofthelayeredsaturatedhalfspacetotheLambpr

9、oblemofthesaturatedhalfspaceandtheLambproblemoftheelastichalfspaceandthereducedintegralsolutionsalesametothepresentthesisNumericalcalculationisappliedinthepaperthroughacceleratedintegralmeansThestudyisusefultoengineering