靜力觸探技術(shù)在天津軟土地區(qū)的應(yīng)用研究

1、中國近代第一所大學(xué)FoUNDEDlN1895天畢大薯TlANJINUNIVERSlTY碩士學(xué)位論文●學(xué)科專業(yè)：作者姓名：指導(dǎo)教師：土木工程高頌東鄭剛教授天津大學(xué)研究生院2006年8月AbstractAsanimportantin—situsoiltestingmethodCPT(conepenetrationtest)hasbeenacceptedbymoreandmoregeotechnicalengineersChinahasahi

2、storyofmorethan50yearsinapplyingCnComparedwiththetraditonaldrillingmethodCPTischaraterizedbycontinuousandvisibledatareliabilityandgoodrepetitivenessThispaperfirstanalyzesandintroducesthedevelopment，statusquoandtheoreticb

3、asisofCPTBasedonthesurveydatacompletedinTianjin，thispaperdiscussesandstudiesindepththeapplicationofCPTinthefollowingaspects：1AnalyzethecharacteristicsofCPTcurvesofthesubsoilswithdifierentoriginperiodsinTianjinsoftsoilare

4、a2Veilfytheconversionformulasofthespecificpenetrationresistanceandconetipresistance3VerirythenamingofsubsoilsbyCPTparameters4CorrelationanalysisofCPTparametersandphysicalandmechanicalindexesofsubsoils，empiricalformulased

5、uctionbetweenCPTparametersandsubsoilspecificweight，modulusofcompressibilityblownumbersofstandardpenetrationtestandshearwavevelocity5DiscusshowtouseCPTparameterstoestimatetheultimatebearingcapacityofasinglepileandempirica

6、lformulaseductionthrotIgllthecomparisonofCPTparametersandtheresultsofpilestaticloadingtestsThemethodemployedinthispaperincludes(1)collectionofthedataandinformatiOnofsurveydesign，constructionandtestingofthegeotechnicaleng

7、ineeringprojectsinTianjinurbanareaandTEDA(2)comprehensiveanalysisandstudy；onevariateandmultivariatecorrelationanalysisofthecollectddatabycomputerprogramme；empiricalformulaseduction；verificationoftheempiricalformulas，make

8、comparisonandanalysisoftheestimatedvaluesandtheactualvalues，perfecttheempiricalformulasBasedontheabovementionedanalysisandstudythepapersummarizesthecharacteristicsofCPTcurvesofthesubsoilswithdifferentoriginperiodsinTianj

9、insoftsoilarea，whichcanprovideregionalexperiencesforCPTsoiIclassificationandlayerdivisionandsuggestsaconversionformulaforthespecificpenetrationresistanceandconetipresistance；establishesthecorrelativeformulasbetweenthecon

10、etipresistanceqcandsubsoilspecificweightY，modulusofcompressibility最，blownumbersⅣ6350fstandardpenetrationtestandshearwavevelocity圪；establishestheempiricalformulasforestimationbyCPTparametersoftheultimatebearingcapacityofc

11、ast—insituboredpileandvibro—sinkingpileTheseformulashavebeenverifiedinactualengineeringprojectsandhaveprovedrationaJandapplicableKeyWords：CPT；Tianjinsoftsoilarea，correlationanalysis，empiricalformula，ultimatebearingcapaci