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1、隧道施工危险源的识别和规避安全技术中铁十八局集团乌鞘岭隧道施工中的重大危险源预测与安全规避技术1、工程概况乌鞘岭特长隧道位于兰新线兰武段打柴沟车站和龙沟车站之间，隧道全长20050m,为亚洲目前最长的铁路越岭隧道。设计为两座单线隧道，线间距40m。线路坡度主要为11‰的单面下坡。我集团公司承担乌鞘岭特长隧道I标段（右线进口段）施工任务，隧道长6.56km，包括右线进口、1#斜井和3#斜井；路基长1.93km，包括3座涵洞，一座跨线桥和路基土石方59万m3。隧道穿越的地层主要有黏质黄土、卵石土、碎石土、泥岩、砾岩及砂岩以及页岩夹薄层煤组成。地质构造复杂，穿越
2、褶皱、断层，节理发育，存在岩溶、岩爆、涌水、煤层瓦斯等不良地质，安全系数小，施工难度大，所采用的新技术较多。隧道施工由于不确定因素给施工带来很多的不安全因素。一方面需要搞好安全管理，如加强安全教育，强化安全意识，落实安全责任制等，另一方面要切实强化隧道施工中的安全技术，加强危险源的识别、预测与规避机制，而这方面又常常是隧道施工组织管理的薄弱环节。2、隧道施工中重大危险源--常见不良地质的预测及规避对策Atpresent,wewouldliketotaketheopportunityofmaintainingpartymember'sprogressiven
3、esseducationactivity,tostrengthenandimprovetheOfficeitself.First,tostrengthenideologicalbuilding,forgebasicquality.Ideologyconstructionistheimportantcontentoftheconstructionofthecontingentofcadres. Governmentofficesatalllevelstoputideologicalconstructioninconstructionfromstarttof
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6、rethattheviewsanduninterrupted. Topreventandcorrect"below,abovedifficulttohearcallsfor"obstructionof,reallyknowwhatgrass-rootsdo,whatarepeoplethinking,toprovidegovernmentleaderswithtimely,accurate,andreliableinformationfordecision-making.Tostrengthentheoverallsituation.Atpresent,
7、developmentistheoverallsituationoftheworkofthecity,anyorganization,anysector,anypersoncandeviatefromthisCentre.TheCounty(district),theOfficeshouldfocusonthebigpicture,fromtheirworkPractical,departments,functions,characteristics,andfinditslocation,clearfocusanddirectionofthework,en
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