基于可靠度理論的黃土高邊坡優(yōu)化設(shè)計.pdf

1、長安大學(xué)碩士學(xué)位論文基于可靠度理論的黃土高邊坡優(yōu)化設(shè)計姓名：葉萬軍申請學(xué)位級別：碩士專業(yè)：地質(zhì)工程指導(dǎo)教師：陳志新倪萬魁20030413AbstractForthecaseoftheoptimizeddesignproblemofhighloessslope，thispaperputforwardamethodtosearchthemostdangerousslidingfaceAccordingtothisdangerousslidi

2、ngface，thehighloessslopeWaSanalyzedbyreliabilitymethodAtlastanoptimizedmodelfordesigninghighloessslopeWasestablished，andtheloess11ighslopeofTongHuanghighwayverifiedthismodelFirstlythemaindeformationanddestructionformsofh

3、ighloessslopeanditsdeformationanddestructionmodearebroughtforwardTheformsare；CollapseSlumping，Slopewash，Slopepeeling，SlidingmassdeformationbycollapsibilityandaveryliRleseenform：Mudflownledestructionmodesarelikethese：slum

4、pandlandslidemodel，collapsemodelandslopesurfacedestructionmodelSecondlyThereliabilitytheorywagintroducedintohighloessslopestabilityanalysisItWasverylongtimetheforloessforming，anditfacedmanychanging，SO，itsbehaviorsareunst

5、ableInordertogetalongwellwiththepopularusedstabilitymethods，thisPaperlookthefailureface弱parabolicline，tosetalimitingequilibriumequationasabaseforreliabilitycaleulationInordertoreducethedegreeoffreedom也eslideanglewassubst

6、itutedby‘X’buildaequationforsearchthemostdangerousslidingfaceusingtheintegrationmethod，alsoaprogramWasbroughtouttorealizeautomatingresearchbycomputerWhenanalyzethehi曲loessslope’SreliabilitytwomoremethodWaSputforward：opti

7、mizedmethodandFiesslermethodThetwomethodsutilizessimplicityIntheendObjectfunctioniSestablishedonabasisofminimumcostTheslopegeometryiSvariablequantities，andthereliablesafetyandreliabilityaremainlimitingfactorsAccordingtot

8、heabovefactorsaoptimizedmodelfordesigninghighloessslopeiSestablishedThismodel’sconceptiSprecise，anditsphysicalmeaningiSconfirm，peoplewhododesigningworkCanseethismodelasameansAsanexampleThehighloessslopesofTongHuanghighwa

9、yisusedtoprovethatthismodelisvalidAtthesRtnetime，thesuggestionaboutdesignatinghighloessslopethatliesinTong—HuanghighwayiSputforwardKeywords：Loess；Highslope；Stability；Indeterminacy；Reliabilityanalysis；Optimizationdesignat