RedSeaSuiChitunnelstoSuifenhesectionoftherailtunnelMudanjiangexpansionandreconstructionproject,thedesignoftunnel-typeimportandexportareusedhatobliquePortaltomeettheaestheticrequirements.TheNewAustrianTunnelconstructionmethods,liningaremadeofcompositelining.Ⅲ~Ⅴgradewallrocksongsareusedwiththetunnelinvertliningstructure,EntrancebyMyeongexcavation,toadvancesupportandoveralllining.Tunnelventilationwithforcedventilation.Drainagedesigntotake"anti-,row,section,blockcombinedwithlocalconditionsinacomprehensive"principle;inthewater-richlocationandtherearestrictrequirementsonthewaterenvironmentofthelot,takethe"block-based,limitedemissions"Principle.Inaccordanceneedtosetupaninclinedshaftofthetunnelasanauxiliarytunnel.Tunnelequippedwithfixedlighting,additionalemergencylighting,specialchambersettoafixedlighting.Theconstruction,excavationbyblasting,overandunderstrictcontroldigging,shotcreteinitialsupportwetsprayprocessandcarryoutscientificconstructionmanagement.

　　Keywords:compositelining;ventilation;lighting;smoothblasting