1、，、7tJ96a0主3分類號：—工墮￡L密級：壘玨論文編號：堡Q!Q鰻!貴州大學(xué)2006屆碩士研究生學(xué)位論文貴州某紅粘土邊坡的動態(tài)穩(wěn)定性研究一三凱高速K105250～350處左側(cè)邊坡穩(wěn)定性分析黼專迎：戡鼠，鼉撩研究方向：紅糙邊坡穩(wěn)蔗蛙導(dǎo)師：龔良!王伍至研究生：剎拯威～中國貴州貴陽2006年6月●貴州某紅粘=：邊坡的動態(tài)穩(wěn)定件研究ABSTRACTTheslopestabilityanalysishasbeenoneoftheimporta

2、nttopicsoftherocksoilengineeringfieldresearchsince60’SinthelastcenturyUptothepresent，theslopestabilityanalysismainlyhastwokindsofmethods：OReistherigidlimitedequilibriummethodwhichusesextensivelyintheengineering；theothero

3、neisFEM(theFiniteElementMethod)whichtreattheslopeproblemasamathematicsandphysicsproblemtocalculateThispaperadaptsthelattermethod，whichsimulatestheslopeexcavationstepbystepbasedonFEMmethodIntherock—soilengineering，thesoil

4、pressurecausedbyslopeexcavationisverycomplicateItnotonlywithespaystOthereinforcedstructuredisplacementstiffnessandgeologicalconditionbutalselatedwiththeexcavationmethodFormerlytheconstructionmethodofexcavationstepformert

5、hanreinforcementstepbringsmuchdestroysinfluenceontheslopeandcausesmanydisasters，whichCanonlybeusedinlowerslopeFormediumthehighslope，weusesthemethodofpreconsolidatemethodThereinforcementmeasurekeepsupwiththeexcavationandr

6、educethedisturbeffectontheslopeasfaraspossibleButthesoilpressureisverycomplexinitsallaspects，whichincludethesize，directiondistribution，ereHowtosimulatethestressdistributioncausedbyexcavationarethemaincontentsinthispaperT

7、hecorepartofthearticleliesinthesimulationcalculationthatmakesuseoftheANSYSsoftwareTheslopeissupposedasatwodimensionplanestrainproblemandthesoilissupposedasanidealelastic—plasticmaterialthatobeysDruckerPragersuppose，andma

8、kesuseoffournodeelementtosimulateByanalysisofthevarietyoftheStressandstraincausedbyeveryexcavationwemaygettheinfluenceresultsoftheexcavationclearlyFurthermore，theredclaydistributewidelyinOuizhouProvince，domesticandintern

9、ationalexpertshavemadethoroughresearch，butthetechnicalprogressisgraduallyperfectinthecontinuouslyresearchonournature，thispaperchoosesaredclayslopetOsimulateKeywords：red—clayinGuizhou，theslope，excavationsimulation，ANSYSPa