順層巖體邊坡及其抗滑樁支護的穩(wěn)定性研究.pdf

1、華中科技大學碩士學位論文順層巖體邊坡及其抗滑樁支護的穩(wěn)定性研究姓名：寧虎申請學位級別：碩士專業(yè)：巖土工程指導教師：龔文惠20070529華中科技大學碩士學位論文IIAbstractBeddinglslideisakindofcommonengineeringgeologichazardwhichoftenoccurssuddenlywithstrongdestructivepower.Antislidepilesupptingisane

2、ffectivewayfpreventingcontrollingthebeddinglslide.WiththerapideconomicaldevelopmentinwestregionofChinamemestabilityproblemsofbeddingrockslopewillappearinsuchengineeringconstructionashighwayrailwaywaterconservation.Howtoq

3、uicklyeffectivelysettletheinstabilitysupptingproblemofthebeddingrockslopehasbeenanimptantresearchtopicinthegeotechnicalengineeringfield.DependingontheresearchtopicofShenlongjiatouristhighwaystabilityofbeddingrockcuttings

4、lopeantislidepilesupptingisanalyzedinthispaper.FirstlyprincipleaboutFLAC(fastlagrangiananalysisfcontinuum)isexpoundeditsimplementmethodfanalysisonbeddingrockslopeisdiscussed.WithFLAC3Dprogramtheinfluenceofexcavationonthe

5、stabilityofbeddingrockslopeisanalyzed.Theanalysisshowsthatexcavationhassignificantinfluencetoslopestabilitycannotbeneglected.Thetheyaboutthedesignofantislidesupptingisrepresentedthesupptingprogramfthebeddingslopeispresen

6、ted.CombiningFLACprinciplewith3DMnumericalsimulationmeanstheantislidepilesupptingwithaninstabilityslopeissimulated.Stressbehaviofantislidepilethechangesindisplacementfieldstressfieldstrainfieldthatbefeafterantislidepiles

7、upptingareanalyzed.Analysisshowsstabilityoftheslopeisimprovedasaresultoftheantipilesuppting.Finallytheinfluenceofsinglefactmultifacttothestabilityofbeddingslopeareanalyzed.itisindicatedthatthesectionsizeanchingdepthsepar

8、ationofantislidepilesmayallhaveobviousinfluenceonsupptingeffecttheinfluenceofseparationoftheantislidepilesisthemost.AsonepartofresearchresultsofShenlongjiatouristhighwaytopictheresultsofthispapercouldbeusedasatheeticalre