西安地區(qū)黃土地基剪切波速與工程特性相關性的研究.pdf

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