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1、重慶交通學(xué)院碩士學(xué)位論文溜砂坡形成機理及防治技術(shù)初步研究姓名:闕云申請學(xué)位級別:碩士專業(yè):港口、海岸及近海工程指導(dǎo)教師:何光春王多垠20040315AbstractRecentlysand。slidingslopehazards,a8oneofmountainhazards,havegraduallybeentakenintospecialattentionn坤characteristicsoflongdurationandseveri

2、tywhichSandstidingslopehazardsendangermountainroadand融1wayandotherconstructionofcivilfacilitiesisnotinferiortOlandslideandothergeologicalhazardsThcpaperappliesthemethodofthecombinationofexperimentandtheoryanalysistoanaly

3、zetheformativemechanismandstudythemechanismofcontrollingsandslidingslopewithgroutingtechnologybaSedontheS&TprojectsoftrafileconstructioninC撼na’sWes毫、醚0e:‘Researchoflandslidepredictionandcontroltechnology”(200131879257)an

4、dtheS&Tprojectsoftr鋤cconstructioninthetransportationdepartmentofTibet:“ResearchofformativemechanismandcontrolonsandslidingslopeinZhongbasectionalongSichnanTibethighway’。MainconclusionaSfollowings:l。Formativemechanismcond

5、itionofsandslidingslopeandtheinduciblefactorsofsand—slidingareanalyzedStatisticaltheoryisappliedtoanalyzetwofactors(gainsizeandwatercontent)whichinfluenttheangleofreposeofthesandslidingslope魏canconcludethatboth蠡_ctominfl

6、uenttheangleofreposegreatlyandtheinfluentdegreeofwatercontentisgreaterthangrainsizebasedonmaSsexperimentaldataBesides,linedfiringisappliedtofourfactors(grainsize、watercontent、angleoffrictionandcohesion)whichinfluentmeang

7、leofreposeofsandslidingslopeandtheformulacarlevaluatetheangleofreposeofthesandslidingslope2RelatedmechanicsprincipleisappliedtodeducetheslidingcriticalconditionandrollingconditionofsandgrainsRegardingdrysandflowascontinu

8、ousmedia,deducedynamicsandresistanceequationofdrysandflowalongnormalandverticalslopeandmomentresistanceequationrollingcentralpointofsand。ThenitiSdeducedthatdistributionequationofverticalflowvelocity、bottomvelocityequatio

9、nandsuperficialvelocityequationofdrysandflowundertheconditionofuniformvelocity3SeepagemechanismiSappliedtodeducetwokindsofosmoticgroutingmodel(planeradialflowandballtypecentripetalflow)Securitygradebasicworkingconditiona

10、ndreliabili拋indexofgroutingonsandfixedisproposed,Andformulizereliabilityanalysisofgroutingonsandfixedcombiningengineeringcases4nlemeetLanismofsandfixedofgroutingengineeringandsand—fixedofbiologicalengineeringisdescribedA

11、ndcontrolofsandslidingslopeiscarriedoutintWOstages:inthefirststage,carriedOUtcivilengineering;inthesecondstagecarriedoutbiologicalengmeenngatterstoppingsandslidingKeywords:SandslidingSlope;Sandsliding;DrySandFlow;Groutin

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