基于灰色理論的土釘支護(hù)結(jié)構(gòu)分析.pdf

1、華中科技大學(xué)碩士學(xué)位論文基于灰色理論的土釘支護(hù)結(jié)構(gòu)分析姓名：朝澤東申請學(xué)位級別：碩士專業(yè)：巖土工程指導(dǎo)教師：羅曉輝20061026華中科技大學(xué)碩士學(xué)位論文IIAbstractBasedonfinitedifferencetheycalculationprocedureofFLACnumericalsimulationinreinfcementfdeepfoundationpitwithsoilnailingiscarriedout.Wh

2、enthedeepfoundationpitwithsoilnailingisexcavatedthesupptingmechanicsofsoilnailingisanalyzed.Atthesametimetheinfluenceofthesoilnail’sparameterssoilindicatsisanalyzed.thechangeofthesoilnail’sinternalfceisanalyzed.Thescheme

3、ofnumericalsimulationisdesignedwiththetheyofunifmdesign.Aftertheschemeiscarriedoutwecangetmuchtestingdata.ThenthedataisanalyzedwiththeGreySystemTheywecangettherelevantparameterofthesoilnail’sparametersthedisplacementofde

4、epfoundation.Thentheinfluencetothedisplacementofdeepfoundationisanalyzed.Therelevantparameterofthesoilnail’sparametersthemoststressisaccounted.Thentheinfluencetothestressconcentrationisanalyzed.Wecanobviouslyreducethecha

5、ngeofthedeepfoundation’sfmthestressconcentrationwhenweconsiderthemarkedingredientfirstly.RelatingtogreyrelationanalysistheGM(0N)ofsoilnailsystemisgiven.Inthisthesissomeresearchresultsonthesoilnailhavebeenobtained.Theinfl

6、uenceofdesignedparametersofsoilnailthesoilindicatisdifferentevidently.Themostinfluencingfactsofthedisplacementofdeepfoundationaresoilnail’sintervallengthinclinationinternalfrictionanglecohesivestrengthsoilweight.Themosti

7、nfluencingfactsofthestressconcentrationaresoilnail’slengthintervalinclinationsoilweightcohesivestrengthinternalfrictionangle.Viathestudyinthispaperthegreysystemanalysismethodsareappliedtothestudyofsoilnailsystemalittlefi

8、eldsurveydataishledsotheoneanotherrelationsbetweenthechangeofthedeepfoundation’sfmfactsaffectingdeepfoundationstability.Allabovejobscanprovidethehelpfulinfmationfthepracticalprojectsupplythewarrantaboutthereasonablepreca