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1、西安科技大学硕士学位论文太白县地质灾害隐患点危险性评价——以滑坡为例姓名：贾少杰申请学位级别：硕士专业：地质工程指导教师：杨梅忠2011Subject：GeologicalHazardsAssessmentinTaibaibytheCaseofLand-slideSpecialty：GeologyEngineringName：JiaShao-Jie(Signature)Instructor：YangMei-Zhong(Signature)ABSTRACTTaibaimoreseriousgeologicaldisasters
2、,thedisasterpointofmanytypesanddist-ributionintothefilmintoazone,quitedifferentscale,impactandcontrolledbyman-yfactors,highfrequency,smallandmedium-sizeddisasterpoints,whicharesignificanttolevelagainstdisasterpointsless;becauseofitscomplexgeologicalconditions,ter-r
3、ainconditions,meteorologicalandhydrologicalconditionsandastrongnewtectonicmovementandhumanengineeringactivities,makingtheareaintooneofgeologicaldisasterscounties.Inthispaper,2009"ShaanxiTaibaidetailedinvestigationofgeologicaldisasters,"thetaskofTaibaigeologicaldisa
4、sterssuchasadetailedinvestigationandlaboratorytestbasedonthework,summedupthelandslidehazardareaanddevelopmentcharacteristicsofpointdistribution;andtheregionPointlandslideriskassessmentcarriedouttostudythemaincontentsare:(1)Analysisoftheregionallandslidehazardpointt
5、ype,size,developmentcharacteristicsandformationconditions;landslidehazardsintheanalysisofsurveydatapoint-sbasedonthestudy,accordingtothecharacteristicsofregionallandslidehazardpoin-tstothescale,stability,thenumberofthreats,threatstoproperty,restrictingthenu-mberoff
6、ourriskfactorsAHPconstructthetrainingsampleset.(2)applicationofMATLABtoolbox,callednewff()functionofneuralnetworks,BPalgorithmwithmomentumSCGtrainingalgorithmresultswerecomparedtodeter-minetheSCGalgorithmfortrainingmethods.(3)applicationLibSVMtoolboxtoimplementsupp
7、ortvectormachinemodel,byt-hepolynomialkernelfunction,radialbasisfunctionRBFandSigmoidkernelfunctionofthesampletrainingresultsanderroranalysistodeterminetheradialbasiskernelfunctionRBFasamodel.Applicationoftwomethodsinthestudyarea81pointlandslidehazardriskinde-x,and
8、theresultswereanalyzedandcomparedwiththepreviousqualitativeassessmentofriskofhiddenpointwasconsistent,theresultsofthisstudypointtoTaibairisksofge
