27912.石門坎水電站業(yè)主營地古滑坡穩(wěn)定性分析

1、華北水利水電學(xué)院碩士學(xué)位論文石門坎水電站業(yè)主營地古滑坡穩(wěn)定性分析姓名：宋曉晨申請學(xué)位級別：碩士專業(yè)：地質(zhì)工程指導(dǎo)教師：李日運(yùn)201105華北水利水電學(xué)院碩士學(xué)位論文IITHESTABILITYANALYSISOFOWNERCAMPANCIENTLSLIDEOFSHIMENKANHYOWERSTATIONABSTRACTTheancientlslideofShimenkanhyowerstationownercampislocatedup

2、streamofthedamontherightbankabout2kmfarfromthedamsite.Propriet’scampofShimenkanhyowerstationisbuildedhere.Theelevationofleadingedgeofancientlslideis860mtrailingedgeisabout900m.Themaximumdepthofslipsurfaceis52mthesizeisar

3、ound4.56106m3.Itisadeepseatedlslide.Theupperpartofthesurfaceappearedrelativelysteepuppercentralflattheleadingedgevariablesteepwhichareterrainacteristicstypicalofancientlslide.Propriet’scampastheareafwkliveintheconstructi

4、onperiodoperationperiodoncetheancientlslideloststabilityitwillcausesignificantlossoflifeproperty.Soitisparticularlycriticalthathowtounderstthefmationmechanismfailuremodeofancientlslidesthecrectevaluationofitsstability.Th

5、epapersimplyintroducesrelevantcontentoflimitingequilibriummethodfiniteelementmethodusesthesetwomethodstoanalyzethestabilityofthisancientlslide.Detailsresultsareasfollows:(1)Basedonthegeologicalsurveyinthefieldindooutdote

6、stsweidentifytheengineeringgeologicalconditionslslideboundarymaterialcompositionstructureofdefmationfailureofthisancientlslide.(2)Thethesisanalyzedthefmationconditionsofancientlslidetheinducementofdefmationfailureconditi

7、ons.thenexplesthepatternofthedefmationfailureofancientlslide.Conclusion:Thefailuremechanismoftheancientlslideisaslidingcracktype.Theslidingismainlybecausewhentheleadingedgeoftheancientlslideisfreeinheavyrainslopeslidesal

8、ongtheinterfaceundertheactionofwatergravity.(3)Thestabilityoftheancientlslideisanalyzedbylimitingequilibriummethod.MgensternPricemethodJanbumethodareusedrespectively.Itcalculatesthestabilityfactunderfourkindsofwkconditio