西安地區(qū)黃土地基剪切波速與工程特性相關(guān)性的研究.pdf

1、掣IIIH愕lllL12r【，lll“18llLIII必IIll1111分類號：TU4諼考夫海碩士學(xué)位論文西安地區(qū)黃土地基剪切波速與工程特性相關(guān)性的研究導(dǎo)師姓名職稱申請學(xué)位級別論文提交日期學(xué)位授予單位傻云亮劉保健教授答辯委員會主席學(xué)位論文評閱人AbstractShearwavevelocityofsoilisanimportantprojectcharacteristicparameterwhichmayshowmanyphysicsa

2、ndmechanicalpropertiesofinsitusoilbodyThepurposeofthisarticleistoestablishtherelationshipbetweenshearwavevelocityofloessinXi’anareaandothersoilindicatorsFirstlyshearwavevelocitytestingtechnologyisintroducedinthepaperSeco

3、ndlyempiricalrelationshipbetweenloessshearwavevelocityinXi’anareaandotherimportantsoilindicatorssuchaswatercontentandporosityratiowhichcanreflectthecharacteristicsofsoilonthebasisofmassivedatainsitutestsinXi’anarealoessg

4、roundRepresentativedataarechosenandanalyzedusingstatisticalmethodandinductionTherelationshipsbetweenshearwavevelocityandstandardpenetrationnumberanddepthofdifferentsoillayerssuchasQ4，Q3andQ2arealsogivenonthebaseofinsitut

5、estsAlltheseachievementsaffordreferenceforengineeringdesignFinallygreysystemtheoryisintroducedandgreyconnectionanalysisoftwodrillholes’testingdataareshowninthepaperThesameconnectionorderisobtainedandinterrelatednessdiffe

6、renceofthesameinfluencefactorissmallerthan7％，whichshowsthatthegrayconnectionanalysismethodisstableandreliableandissuitablefortheanalyzingtheinfluencefactorsofshearwavevelocityinsoillayersPrimary—slaverelationofdifferenti

7、nfluencefactorsontheshearwavevelocityinXi’anareaareanalyzedusinggrayconnectiontheoryTheresultsshowthattheinfluenceofwatercontentontheshearwavevelocityismajorandearthnaturalspecificweightisnextTheinfluenceofdepthonvelocit

8、yisminimalTheplasticityindexandthevoidratiohavealmostthesameextentinfluenceonvelocityTheworkingofthispaperwilltakepositiveeffectontheapplicationofshearwavevelocitytechniqueinXi’anareaKEYWORDS：shearwavevelocityanalysisofc