湖南科技大学潇湘学院本科生毕业设计(论文)摘要本设计围绕会何家寨隧道右线而进行,本隧道为高速公路隧道中隧道,隧道长646m,设计为单向双车道,设计车速为80km/h,建筑限界净宽为10.25m。衬砌采用三心圆曲墙式结构,支护结构和围岩共同承载,并充发挥出围岩的自承能力新奥法作为隧道结构设计的核心,合同段隧道围岩条件较复杂,有III、IV、V级三种级别的围岩,在IV、V围岩段均采用有初支、防水层、二衬组成的复合式衬砌。初期支护为喷锚支护,采用锚杆、喷射混凝土、钢筋网、钢拱架共同作用,二次衬砌采用模筑砼。洞门设计严格按照《公路隧道设计规范》(GTJ-2004)中的相关规定进行相关验算,采用翼墙式洞门;初支根据《公路隧道设计规范》(GTJ-2004)、《隧道工程》和相关工程实例进行设计;二次衬砌利用理正岩土6.0版软件算出相关数据,并进行配筋计算;同时,根据相关参考资料和工程实例进行了隧道施工组织设计、防排水设计和监控量测的设计,绘制了相应的图纸。关键词:复合式衬砌;翼墙式洞门;中隧道;新奥法;曲墙湖南科技大学潇湘学院本科生毕业设计(论文)ABSTRACTThisdesignwillaroundthehejiazaitunnelrightline,Thisisamediumlengthofhighwaytunnel,Tunnellengthof646m,ThisdesignisUnidi-rectionaldoublelane,Adesignspeedof80km/h.Constructionboundaryclearwidthis10.25m.LininguseThreeheartgardenCurvedwall,supportstructuresandRockSharedLoad.andMakefulluseofRockLoadbearing.NewAustrianTunnellingMethodisTunnelstructuredesigncore,Tunnelhasacomplicatedsurroundingrockcondition,haveIII、IV、Vcountryrock,Initialsupport、waterbarrierandsecondaryliningformCompoundliningoftheIII、IVcountryroc.InitialsupportforboltsupportShotcrete,ThetwoliningisBuildingconcrete.tunnelportaiswingwalltunnelportal.Instrictaccordancewiththeportaldesignat《Codeforhighwaytunneldesign》(GTJ-2004),Initialsupportaccordingto《Codeforhighwaytunneldesign》(GTJ-2004)design.twoliningutilizationofLiZhengrockandsoil6.0design.Atthesametime,AccordingtotherelevantinformationandengineeringexamplesConstructionorganizationdesignandwaterproofdrainageandMonitoringmeasurement.Keywords:compositelining;wingwalltunnelportal;Middletunnel;NATM;Curvedwall湖南科技大学潇湘学院本科生毕业设计(论文)目录第一章隧道工程概况........................................................................................................11.1工程概况........................................................................................................................11.2工程地质..........................................................................................................1第二章隧道总体设计........................................................................................................32.1一般规定与设计原则.....................................................................................32.1.1一般规定..............................................................................................32.1.2设计原则..............................................................................................32.2主要技术标准及执行规范.............................................................................32.2.1技术标准..............................................................................................32.2.2执行规范..............................................................................................42.3设计依据.........................................................................................................42.4隧道平面及纵断面设计................................................