natm造句

• Construction technology of twin arch - tunnel by natm
  双联拱隧道新奥法施工技术研究
• Monitoring and survey of tunnel natm on the yuxiang highway
  渝湘高速公路隧道新奥法施工监控量测
• Natm construction technology and application in underground railway project
  新奥法施工技术及其在地铁工程中的应用
• Mechanical analysis of construction process of continuous - arch - type tunnel by natm
  浅埋暗挖双连拱隧道施工力学分析
• Research on support method base on natm theory and soft rock mine roadway deformation law
  理论及软岩巷道变形规律的支护方法研究
• The application of natm tunnel method in zhongxian wuhan gas transmission pipeline crossing
  钻爆法隧道在忠武输气管道穿越中的应用
• The 390 - meter baiyingshan tunnel is constructed with the application of theory of natm
  摘要白银山隧道全长390m ，采用新奥法原理施工。
• The application of natm to guan yin shan tunnel construction in dongjian - shenzhen supply modification works
  深圳供水改造工程观音山隧洞施工中的应用
• At last , the paper analyzes the calculation of the shallow cover load part , and states the mechanic concept of rock dynamic properties of the natm
  最后分析了浅埋段荷载的计算，阐述了新奥法的岩体动态性质的力学概念。
• For this reason , this paper proposes the construction plan of expanding building metro station combined with natm ( new australia tunnel method ) on the base , of shield driven internal tunnel that has been built
  为此，提出了在已经建成的区间隧道基础上，结合新奥法进行扩挖而形成地铁车站的施工方案。
• Especially new austrian tunneling method ( natm ) construction has sometimes been adopted in highway tunnel project , which has been applied only 20 years in our country , and people are probing into and practicing it
  特别是高速公路隧道工程往往采用新奥法施工，其应用在我国仅仅二十来年的时间，人们对新奥法的认识，处于探索与实践中。
• So carry through the construction technology of typical sect of natm by shallow - buried summary on west fourth ring road buried culvert of beijing branch of the middle line of south - to - north water transfer project , which would offer reference for future similar projects
  其中，暗涵工程交叉管线众多，在西四环立交桥桩基中间穿过，浅埋暗挖法施工有一定的难度，为此，对南水北调中线北京段西四环暗涵浅埋暗挖典型段施工技术进行总结，以为今后类似工程提供参考和借鉴。
• Shotcrete - rock bolt support and concrete lining are important parts of timbering structures in modern tunnel construction , and there are also essentials for natm . the intensity difference of concrete is big because of the big randomicity at the aspects of material , metage of additive , mix round , ratio of water and lime , spray construct and water maintain
  由于喷射混凝土和二次衬砌在拌和料、外加速凝剂的称量、拌匀以及水灰比的配比、在喷射作业及洒水养护上都存在着很大的随机性，其强度的差异也较大。
• ( 3 ) to detailedly describe advancement of the support theory of natm , adopt flag3d to proceed numerical simulation analysis to various support structural strengthen mechanism . according to zhu gu mount specific geology characteristic , establish a suite of schedule which service the support design about peripheral rock ; at the basic of the upward research achievement establish the large deformation ' s support principle , making a suite of large deformation support design scheme
  ( 3 )详细阐述了新奥法先进的支护理论，采用flac ~ ( 3d )对各种支护结构的加固机理进行数值模拟分析；针对鹧鸪山隧道特有的地质特征建立了一套服务于支护设计的围岩分类方案；在以上研究成果基础上确立了大变形的支护原则，制定了一套大变形支护设计方案。
• Natm , the character of witch lies in the advanced theory and the practical measure , is the main construction way for dealing with the worse geological tunnel section . it consists of three important supportings , that is , the smooth blast , the control measurement in - situ and the optimization about the design parameters based on the information of the surrounding rock
  光面爆破、现场监测和根据围岩信息进行设计参数优化是新奥法的三大支柱，而理论先进和措施实用的新奥法还是处理不良地质洞段的主要施工方法。
• Traditional mining method and natm ( new austrian tunneling method ) in mountain tunnel construction are researched in theory system , mechanical concept , designation principle and actually use . according to contrast and analysis of the usage of these two ways in construction slide , the whole process handle slide in the way of natm are deeply discussed to different kind of slide type
  对山岭隧道施工中的传统矿山法和新奥法在理论体系、力学概念、设计原理、实际应用等方面进行了探讨，对比和分析了这两种方法在施工坍塌方中的处理应用，并针对不同塌方类型，深入地探讨了用新奥法的思路处理塌方的过程。
• This paper , focusing on the construction in the tunnel section with the worse geological conditions , discusses systematically the theory and the actual application on natm , and puts forward the proposal that the natural states of surrounding rock must be disturbed as small as possible and the self - loading of rock should be made full use of . as emphasizing the main point of the method the study of doing extensively the work of the measurements and the relevent analysis in the site takes up the much space in the paper
  本文针对不良地质地段的隧洞施工，系统论述了新奥法的理论和在工程实践中的应用，提出了应尽可能少地扰动围岩的自然状况并充分利用围岩自身承载力；重点是要在现场广泛开展监测工作和相应的资料分析；然后根据现场的监测信息以及对围岩的观察和认识，对设计进行及时反馈，及时优化支护和施工参数用于和指导现场施工。