黃土滑坡運(yùn)動模式及滑距預(yù)測方法研究.pdf

1、分類號：P64210710—20050355港步太海碩士學(xué)位論文黃土滑坡運(yùn)動模式及滑距預(yù)測方法研究導(dǎo)師姓名職稱申請學(xué)位級別論文提交日期學(xué)位授予單位章健李同錄教授答辯委員會主席學(xué)位論文評閱人AbstractIntheloessarea，thepredictionoftheriskofloesslandslide’Slandslipwhichcallprovideevidencesfortheassessmentofgeologicalla

2、ndslidedisastersseen皓quiteimportant，intermsoftheaccuratepredictionoftheriskofloesslandslidegeologicaldisastersWecanputthedevasmtinglandslidesintothreestylesintheloessarea：high—speedandlongrangelandslides1andslidemudflows

3、andFaultedlandslidesEachofthemhastheirOWllfeatures：First，lligh—speedandlongrangelandslideCallbedividedintotwoprocessesInthefirstprocess，theslidingmassesseparatefromtheslopeandcavesquicklyInthesecondprocess，theslidingn133

4、seswillslideforalongdistancewhentheyhitthefirstlevelatthefootoftheslopeSecond，theslidingmassesslidealongwiththeslipperysurfaceandtransformintomudflowswhenwatertakespartin，thenlandslide—mudflowsareformedAndke印slidingalong

5、thechannelandaccumulateattheendofthechannelThird，forthefaultedlandslides，theslidinginassesslidefromoneimbalancedpositiontoanothernewequilibriumpositionThemovementtheoriesofhi曲一speedandlongrangelandslideincludespeedingupe

6、ffect，keeping—speedeffectandslowingdownspeedeffectThispassagefocusesonthesizeofcomprehensivefrictionanglewhichisproducedwhentheslidingmassesrunintoslidewaywiththekeeping‘speedeffectTheprocessoftheformationoflandslide—mud

7、flowsincludeselasticprocessandmakingpulpprocess，makingtheslidingITlasSeSshowfluidorquasi—fluidwiththewater’SinfluenceForthefaultedlandslidesmasses，theantislipforceoftheslidingmassdecreasesbecauseoftheprecipitationorartif

8、icialexcavation，thentheslidingmassesfallfromoneimbalancedpositiontoanothernewequilibriumpositionTheresidualstrengthwhichisachievedbyapplingsaturatedrepeateddirectshearexperimentdoescalculationtotheknownslidingi／lassInthe

9、thefaultedlandslides，wecanworkoutthecomprehensivefrictionangleoppositelyaccordingtOthelandslipofWoHushanlandslideandanalyzetherelationshipofthecomprehensivefrictionangleandmeasuredparametersInthelandslidemudflows，wecanwo

10、rkoutthecomprehensivefrictionangleaccordingtoHuaxian’Slandslide—mudflows，andanalyzetheapplicationofthecomprehensivefrictionangleinthepredictionoflandslide—mudflowslandslipInthehi曲一speedandlongrangelandslide，wecanwokeoutt

11、hecomprehensivefrictionangleofthe9knownhigh—speedandlongrangelandslideslandslipoppositelyandanalyzethevalueswehavegot，atthesametimewecanalsoverifytheresultsoftheknownlandslidelandslipAnalyzethethreestylesoflandslide’Smov

12、ementpathequations，andbuildupthekinematicsmodelaccordingtothemovementfeaturesofthem，andcalculatethelandslipofeachloesslandslideaccordingtoexperimentsandmeasuredparameters，atlastanalyzethekinematicsmodelandcalculatetheloe