非連續(xù)變形分析方法及其在邊坡加固工程中的應(yīng)用.pdf

1、三峽大學(xué)碩士學(xué)位論文非連續(xù)變形分析方法及其在邊坡加固工程中的應(yīng)用姓名：張潤(rùn)峰申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：防災(zāi)減災(zāi)工程及防護(hù)工程指導(dǎo)教師：羅先啟20050501三三峽峽大大學(xué)學(xué)碩碩士士學(xué)學(xué)位位論論文AbstractTheproblemsofslopestabilityrelatetoagreatdealofprojectfieldssuchasmineprojectaprojectofbridgehydraulicengineeringarc

2、hitecturalengineeringetc.Thetopplingrockslopelslidecancausetheenmousthreattopeoplesdailylivingthesafetyoflifeproperty.Sotheslopereinfcingbecomesanimptantsubjectintheprojectfield.Withthedevelopmentofthemathematicsmethodpr

3、ogressofcomputertechnologymanynumericalcalculationmethodswereusedwidelyinanalyzingslopestabilityresearchofslopereinfcedmethod.Thediscontinuousdefmationanalysismethod(DDA)canreflectthediscontinuityoftherockmass.Ithasnoton

4、lystrictnessoftheFiniteElementMethod(FEM)butalsohastheDiscreteElementMethod(DEM)acteristicofcalculatingthelargedisplacementbody.Sothismethodshowsitsadvantageinanalyzingtheissueoflargedisplacementdefmationofthediscontinuo

5、usbody.InthisthesissomereferenceisofferedfprojectthroughsimulatingtheeffectofslopereinfcementwiththemethodofDDA.Atfirstthebasictheiesofthediscontinuousdefmationanalysismethod(DDA)arerecalledinthisthesis.Onthebasisofitthe

6、simplifyingnumericalmodelofboltsofthetwodimensionaldiscontinuousdefmationanalysismethodisderived.throughimprovingtheexistingtwodimensionalDDAprogramthiskindofnumericalmethodcansimulatetheeffectofslopereinfcementbybolts.I

7、nthisthesisthreeexamplesareappliedtoinvestigatetheprogramthroughcomparingthedefmationdisplacementbefeafterreinfcing.Itshowsthattheprogramcansimulatethereinfcedeffectofunstablebodybyboltscrectly.AsanexampleofLianziyahazar

8、dousrockmassinthisthesisthedefmationafterbefeitspreventiontreatmentaresimulatedwithDDAmethodaseriesofdisplacementtrendmapofeachunstablebodyafterbefepreventiontreatmentareobtained.TheresultsshowthatthedefmationofLianziyah

9、azardousrockmasshasimmediatelyrelationshipwiththemineoutareatheT11crack.Thedefmationtrendofrockmasssinkingslippingslidingetcthedefmationacteristicsofrockbodyamongcracksamongweaklayersunderthefunctionofgravityareobtained.