OFeng,ZENGJiaqiang,CHENZhuoР (ChangjiangInstituteofSurvey,Planning,DesignandResearch,Wuhan430010,China)Р Abstract: Forthelongdeep-buriedtunnelinalpineregion,plicatedgeologicalconditions,Р alpine-coldandhypoxia,faultstructureandsoftrockdeformationinfluencetheengineeringconstruction.InconsiderationoftheР prosandconsofdrillingandblastingmethodandTBM method,parisonandselectionofconstructionschemesoflongР deep-buriedtunnelinalpineregionareconducted,thoughbothhavedifficultiesinconstructionpractice.Р heengineeringgeologicalconditionexposedinthesurveywiththeplannedrouteandschemesoastoabandontheschemeР thathasrelativelargerrisk.Onthisbasis,binationofР engineeringinvestment,constructionperiodandriskcanberealized.Р Keywords: alpineregion;longdeep-buriedtunnel;parisonandselectionofconstructionschemes
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