成都地铁盾构隧道施工风险分析及策略

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1、西南交通大学硕士学位论文成都地铁盾构隧道施工风险分析及策略姓名：陈中申请学位级别：硕士专业：工商管理指导教师：黄登仕20081001西南交通大学硕士研究生学位论文第

2、I页AbstractTheGroundBreakingCeremonyofthePhase1ProjectofChengduMetroLine1washeldonDecember28m，2005，anditliftedthecurtainoftheconstructionofChengduMetro．ChengdulocatesattheplainofWester

3、nSichuanProvince，andtheplacesthatthemetrolinesgothrougharemainlysandygravelstratumwithwater．Comparingwiththemetroprojectsofothercities，thegeologicalconditionsofChengdumetrocouldbesummarizedas“ThreeHigh”，whichmeanshighgroundwaterlevel，highdensityofpebbles，andhighinte

4、nsityofthestratum．ThereforeChengdushieldconstructionofthetunnelhasencounteredtechnicalproblemsintheworld．Becauseofthespecialgeologicalconditionsandsurroundingenvironment，thecutteroftheshieldwillbewornseriouslyduringtheboring．Therearealsorisksthatthegroundsubsidence，

5、mudandsandflow,thedamagetotheundergroundcablesandpipelines，andbuildingdamageonthegroundwouldoccur．Themainsubjectofthisarticleishowtoidentify,analyzeandcontroltheserisks，setupthecontingencyplansystem，andthusprovidereferencefortheconstructionofChengduMetroPr蜘ect．Forth

6、ispurpose，basingonthesuccessfulexperienceofthetunnelconstructionofthePhaselProiectofChengduMetroLine1，thisarticlestudiessomepartoftheriskmanagementoftheconstruction，includingthefollows：CombinedwithChengduMetroLine1constructionprojectcharacteristics，pointedoutthatChe

7、ngduMetroshieldtunnelconstructiontechnicalissuesraisedfortheconstructionoftheChengduMetrotunnelshieldtheneedforriskmanagement．AccordingtotheChengduMetroshieldtunnelconstructioncharacteristics，usingstaticanddynamicanalysisofthecombinationofashieldtunnelconstructionri

8、sksarisingfromthepregnancyandtheriskcausedbyenvironmentalriskfactors，whichhavearisk．basedmechanismofChengduMetroShieldTunnelconstructioncarriedouttoidentifyriskand，ultimately,adeChengduMetroshieldtunnelconstructionofthe10existingtechnicalrisk．Riskidentificationonthe

9、basisoftheuseofR=P×Cmodel，fuzzycomprehensiveevaluationmethod，consideringtheprobabilityoftheoccurrence西南交通大学硕士研究生学位论文第lII页ofriskfactorsandl