人类工程活动对雅砻江官地水电站大桥沟泥石流影响及评价

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1、西南交通大学硕士学位论文人类工程活动对雅砻江官地水电站大桥沟泥石流影响及评价姓名：王建申请学位级别：硕士专业：地质工程指导教师：胡卸文20061201西南交通大学硕士研究生学位论文第ll页AbstractAsthedevelopmentofpeople’ssocietalandeconomicactivity，peopleexcessivelyexploitnaturalresourcesandtheenvironmentwasdestroyedcontinuousty．Thesecanscthen

2、aturaldisasterssuchasthedebrisflowbecomemoreseriOils．Therefore，thestudyandevaluationofthedebrisflOWmustbestrengthened．economicalandeffectivemeasuresmustbeenforeedtopreventdisastersatfuilsteam．ThethesisauaIysesthedebrisflOWhappenedinDaqiaogouofGuandihyd

3、roelectricpowerstationonYalongRiver,attemptstoexpoundtheimportantinfluenceondebrisflowbasedOilhumanengineeringactivities．Inthisthesis，reasonablediscussionshavebeendugintothisresearchdomain．ThethesisproceedsfromthecircumstancesandcharacteristicsofDaqiao

4、goudebrisflow，fromthepointsofdebrisflowupgrowthhistoryanddebrisflowsourcedistribution，analysestheclearlyrelationofnearbydebrisflowandman-madefactors．showsthisdebrisflowhasgot0仃towane，whereasnearbydebrisflowandman-madefacropssnbsistsobviouscansality．The

5、impactrelationoffourman—madefactorsanddifferentkindsofmall·madefaetorsimpactstationinproper，drawstheCOIlclusionofthattheBe纽mnroadconstructionofthehydroelectricpowerstationisthemostlyindueemeutofthedebrisflOW．Accordingtoitscharacters，theanthorcalculates

6、thedebrisflow’SdynamicalcharacteristicssuchasthevelocityofflOW,thewallop，thepeakvaluefluxandtotalflux,andSOon．Sincethehappeningcasilydegreeofthedebrisflowisthepossibilityofthedebrisflowhappenmg,theauthordefinesthehappeningeasilydegree'sthinkingthread：f

7、irstly,itmustbemadesureclearb"whethertheditch缸debrisflOWditchornot,thenonthehasisthatitisconfirmeddebrisflOWditeh．itsseverityiscalculated，andthepossibilityofthedebrisflowbreakingoutunderthedistrictrainfaIIconditionmustalsobereckoned．Thethesisalsoarialy

8、Sestheconnectionofdebrisflowandhumancngineeringactivitiesbasedonthehistoryofthisdebrisflowditchandmaterialdistribution，aHemptstoeducetheevidenceoftheircausality．Itals0expoundstheconnectionofhumanengineeringactivitiesandforestentironment