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1、技术交底编号：KY-II-C2-7-S-CLG1H-019X项目名称昆玉铁路扩能改造工程工程名称长岭岗1#隧道横洞图纸编号昆玉施隧参（09）01交底部位D2K32+630～D2K32+200仰拱施工交底内容1、工程概况长岭岗1号隧道横洞工区负责施工的正洞里程为：D3K31+535～D2K33+380,共1845米，其中III级围岩370米，IV级围岩820米，V级围岩655米；正洞沿线路前进方向（小里程至大里程）设10.8‰的下坡。2、交底范围本交底适用于长岭岗1号隧道横洞工区正洞D2K32+630～D2K32+200段（共430米）IV级复合衬砌仰拱施工。3、施工参数仰拱工程至下
2、而上依次设10cm厚C25喷射混凝土隧底找平、50cm厚C35仰拱钢筋混凝土、130cm厚C20仰拱填充混凝土。仰拱填充设2%横坡。具体尺寸见下图。隧道中心水沟设于隧道中线处，水沟底高程低于内轨顶面1.62m，水沟顶面与仰拱填充面在同一水平面上，净宽60cm，沟身采用25cm厚C25混凝土现浇而成，上盖40cm×74cm中心水沟盖板。仰拱环向施工缝防水采用外贴式橡胶止水带加中埋式橡胶止水带，纵向施工缝采用中埋式橡胶止水带加砼界面剂。交底人：复核人：接收人：trees610tree,andflowermorethan6,000morestrains,builthighstandard
3、sevenbuildinggreenhouse152squaremeters,hardeningcourtyard1800squaremeters,openedhashospitalwithincircularLane,makesorganenvironmentfurthergethasgreen,andlandscapingandbrightof. Officebuildingtension,disperse,managingdifficultissuesourdepartmentsOfficespacehadbeenrealigned,themaximumtomeetthen
4、eedsofdepartmentalOffice. Six,foreignbodies,underthemanagementofthebusinessunitachievedanewbreakthroughthisyear,overseasofficesandbusinessunitsbasedontheirpracticetothefull,proactiveandboldinnovations,daretobreakthroughandworkhavemadegratifyingachievements.Oneistoplaytotheirownadvantages,inte
5、rmsofcoordinatingserviceontoanewstage.Unitsalwaysputqualityinanimportantposition,payattentiontothefunctionoftheservice,setupthegoodimage,expandinginfluence.LiaisonOfficeinBeijingandofficesinblue,islocatedinthecapitalandthecapitalcityofadvantages,activelybuildingthecityopening,economicrelations
6、,investmentplatform,taketheinitiativetostrengthentieswithBeijing,Orchidstaffof,inparticular,reportoncohesionprojectscityandCountypersonnel,thebestofitsabilitytoprovideavarietyofconvenient,andstrivetocreatesoundenvironmentforworkingandliving.Alsomakefulluseoftheestablishedrelationships,positive
7、attentionforthem,日期：日期：日期：技术交底编号：KY-II-C2-7-S-CLG1H-019X项目名称昆玉铁路扩能改造工程工程名称长岭岗1#隧道横洞图纸编号昆玉施隧参（09）01交底部位D2K32+630～D2K32+200仰拱施工交底内容trees610tree,andflowermorethan6,000morestrains,builthighstandardsevenbuildinggreenhouse152squaremeters,hard
