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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