黃土強度特性及節(jié)理對黃土高邊坡穩(wěn)定的影響研究

1、天津大學(xué)碩士學(xué)位論文黃土強度特性及節(jié)理對黃土高邊坡穩(wěn)定的影響研究姓名：劉力申請學(xué)位級別：碩士專業(yè)：結(jié)構(gòu)工程指導(dǎo)教師：鄭剛20070601ABSTRACTNowadaystherearemanyrailwaysbeingconstructedinthewestweshoulddealwith10essintheseprojectsWehaveakeadydonesomeresearchabouttheengineeringproperty

2、ofloess；wehaveakeadyknownsomethingaboutcollapsibility，structurestrengthofloess。ThisPapermainlydiscusthefactorsaffecttheloesssoilslopestabilityandhowthesefactorsexerttheirinfluence，howevermostofthesefactorsCannotbetakenin

3、toconsiderationofintheprojectdesignduringtheconstructionoftherailwaysinthewestThechiefcontentarethestrengthpropertyandengineeringcharacteristicofloess，theresearchoftherelationshipbetweenthestructurestrengthandthewatercon

4、tentofloesssoil，summarizetheexistingmethoddealingwiththeloesssoilslopestabilityandthecharacteristicofslopecollapse，generalizethefactors也ataffecttheloesssoilslopestability，researchtheeffectofiointontheslopestabilityThefre

5、quentlyusedmethodofslopestabilityanalysisiscirculararcslidemethodthismethodCannotconsider也eseabovefactors，numericalanalysisCanconsidersomeofthesefactorsflacisalimiteddifferencenumericalprocess，itismostadaptabletolargestr

6、aingeo—engineeringprojectithasmanyconstitutivemodelaboutsoilandrockitsupportstheuserwrittenconstitutivemodel，thisPapercalculatetheeffectofstrengthparametervariationontheslopestabilityusingflac2Dresearch也eeffectofalterati

7、onofslopeconfigurationsuchasslopeangleslopeheightontheslopestabilityExaminetheeffectofiointangleontheslopestabilityTheresultisthatthelargeangleiointhasalowereffecton也eslopestability也an也esmallangleiointandanalyzetheshears

8、tressint11erepresentativezonealongwiththesubstepexcavationcalculatetherolewhen也eslopehaveiointandtheapplicationofanchoragecableBecauseoftheobviousstructurestrengthofloess；weshouldtakeintoconsiderationofthestructuralstren

9、gthofloessinthecalculationTherehasalreadysomeresultofconstitutivemodelaboutstructureclay，thispaperreferstot11econstitutivemodelcapabletodescribethedamageofsoilstructureintroducedbyShenZhujiang，redacttheprocessofthisconst

10、itutivemodelusingthefishlanguageofflacTlliSmodelCannotconsidertheeffectofwatercontentontheslopestabilityweneedtomakesomeimprovementstointroduceaconstitutivemodelt11atCanconsiderthisfactorKEYWORDS：loess，structuralstrength