龙头石水电站海尔沟泥石流发育特征及对移民场地影响评价

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1、西南交通大学硕士学位论文龙头石水电站海尔沟泥石流发育特征及对移民场地影响评价姓名：裴克宁申请学位级别：硕士专业：地质工程指导教师：胡卸文20070101西南交通大学硕士研究生学位论文第lI页AbstractLongtoushihydropowerstationisoneofthelarge-scalestephydropowerprojectstobedevelopedonDaduheRiverrecently．OntherightsideofreservoirofLongtoushihydropowerstafion，th

2、erestandsaratherlarge-scaledebrisflowgulley—Haiergulley,whichevergeneratedlarge-scaledebrisflowinhistory．Accordingtodesignprojectsoffeasibilitystudy，someplaceofXinmintownwillbefloodedwhenreservoirsluices，andimmigrantswillmovetobackofaccumulationofHaiergulley．Fieldg

3、eologicalsurveyshowsthatHaierguileydebrisflowthroughtherelocationisimportantgeologicalproblemtotheconstructionandrunningoftherelocation．Thethesisformulatesthedebrisflow’sdevelopmentcharacteristics，includinggulchcharacteristic，valleysubzonecharacteristic，development

4、history，developmentstepandthehappeningeasilydegree；accordingtoitscharacter,selectingthelatestresearchresultsatpresent，calculatesthedebrisflow’，themoving,dynamicalcharacteristicsandthescale，suchas，thevelocityofflow，thewallop，thepeakvalueflux，andthetotalfluxItisknown

5、thatdebrisflowhazarddegreeisthepossibilityofthedebrisflowimpairing,andthedebrisflowdestructiveeffectsmainlyconsistupimpactanddepositoftwoaspects．Inthethesistheenergyreplacesthescaletobeusedtocalculatetoestablishmodalandanalyzethedebrisflowhazard西南交通大学硕士研究生学位论文第1ll页

6、degree，asnotonlymakethefunctionofdepositingofthedebrisreflected，butalsoisgeneraltocontaintheimpactofthedebrisflowdestroyingfunction．Becausethehappeningeasilydegreeofthedebrisflowisaddedtothehazarddegreeformulaandthedebrisflowfrequencyvalueisweakenintheformula，itisg

7、reatlyclosetohazarddegreemeaning．Atthesametime,thethesisusesriskfactorcalculationformulabYLiuxiLintocalculatehazarddegree,andtheresultsbytwomeansareunanimous．Accordingtotheactivityofdebrisflow，depositdegreeanddepositextent,thethesismakesriskdegreepartition,andappra

8、isetheinfluencebyHaiergulleydebrisflowtoimmigrantrelocation；atlast,preventioncountermeasuresuggestisputtedforward．西南交通大学硕士研究生学位论文第1V页Keywords：deb