扁鏟側(cè)脹試驗(yàn)機(jī)理分析及其應(yīng)用研究.pdf

1、同濟(jì)大學(xué)碩士學(xué)位論文扁鏟側(cè)脹試驗(yàn)機(jī)理分析及其應(yīng)用研究姓名：傅縱申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：地質(zhì)工程指導(dǎo)教師：唐世棟20040301AbstractTheFlatDilatometerTest(DMnpossessmostofthevirtueofotherinsitutests，ie，itiseasilyoperated，economical，highlyreproducible，lowlydisturbedandcanobtaincont

2、inuouscurveofsoundingSubsequently，ithasbeenwidelyusedininvestigationandgeotechnicaldesignallovertheworldAtthepresenttime，theDMThasalreadybeenusedsomewhereinourcountry，Howeveritsapplicationisalmostbasedontheresultsandexpe

3、rientialformularesearchedbytheothercountriesBecauseofthedifferencebetweendomesticinstrumentandoverseas’andtheregionallyothernessofgeotechnicalengineeringitselftheforeignresultsandexperientialformulacannotbefullyappliedin

4、ourcountryThereisagooddealofdifferencebetweenthesoilparameterscalculatedbyforeignformulasandactuallysituationCombinedwithlargeofDMTresultsanddatabyotherinvestigation，basedontheresearchstatusinquodomesticandoverseas，thisa

5、rticlewilldothefollowingworksbyanalysisofpenetrationmechanism：BasedontheMindlin’ssolutiononelasticitytheorythisarticlegotthedeformationconstantascertainedbythesecondperiodofwholesoil’sdeformationprocessAppliedthecorrecte

6、ddeformationconstantintothesimulantlyelasticalanalysisofthefirstdeformationprocessTherebythetheoreticalcalculatingformulaofinitialhorizontalstressor^lcanbeobtained，whichwillaffordthetheoreticalbasisforcalculatingofothers

7、oilparametersIdentifiedthesortsofsoilsbymaterialindexIDAccordingtotheinformationofdrillingholesandSeTthisarticlefirstlyidentifiedthedifferentsortsofsoilsAfterdeletedtheoriginaldataofDMTwhichmaybebringstatisticalerrortoth

8、efinalresults，itputforwardtheIDregionofsiltysand，siltandclaytoreferenceThisarticleascertainedKlJexpressionbythetheoreticalcalculatingformulaofinitialhorizontalstressItchosefourclassicDMTholes，whichhasbeenusedtocalculate蜀

9、lbytheexpressionhereContrastedtheforementionedresultsbytestsindoortheK(1expressionherehasbeenprovedInanotherhand，fromtheanalysisofcalculatingformulaandwithadifferentperspective，itdemonstratedtheapplicabilityofthelocalfor

10、mulainShanghaiagainConsideredthethreeinfluencefactorsofcalculatingformulaofundrainedshearstrengthc。，thisarticleputforwardanappliedformulatocalculatingtheitinShanghaiThroughtheanalogywithS。byVSTitsapplicabilityhasbeenconc