natm 中文意思是什麼

natm 解釋
新奧法
  1. 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

    由於噴射混凝土和二次襯砌在拌和料、外加速凝劑的稱量、拌勻以及水灰比的配比、在噴射作業及灑水養護上都存在著很大的隨機性，其強度的差異也較大。
  2. Natm construction technology and application in underground railway project

    新奧法施工技術及其在地鐵工程中的應用
  3. 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，暗涵工程交叉管線眾多，在西四環立交橋樁基中間穿過，淺埋暗挖法施工有一定的難度，為此，對南水北調中線北京段西四環暗涵淺埋暗挖典型段施工技術進行總結，以為今後類似工程提供參考和借鑒。
  4. 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

    對山嶺隧道施工中的傳統礦山法和新奧法在理論體系、力學概念、設計原理、實際應用等方面進行了探討，對比和分析了這兩種方法在施工坍塌方中的處理應用，並針對不同塌方類型，深入地探討了用新奧法的思路處理塌方的過程。
  5. The application of natm to guan yin shan tunnel construction in dongjian - shenzhen supply modification works

    深圳供水改造工程觀音山隧洞施工中的應用
  6. Construction technology of twin arch - tunnel by natm

    雙聯拱隧道新奧法施工技術研究
  7. Monitoring and survey of tunnel natm on the yuxiang highway

    渝湘高速公路隧道新奧法施工監控量測
  8. The application of natm tunnel method in zhongxian wuhan gas transmission pipeline crossing

    鉆爆法隧道在忠武輸氣管道穿越中的應用
  9. Mechanical analysis of construction process of continuous - arch - type tunnel by natm

    淺埋暗挖雙連拱隧道施工力學分析
  10. Research on support method base on natm theory and soft rock mine roadway deformation law

    理論及軟巖巷道變形規律的支護方法研究
  11. The 390 - meter baiyingshan tunnel is constructed with the application of theory of natm

    摘要白銀山隧道全長390m ，採用新奧法原理施工。
  12. 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

    最後分析了淺埋段荷載的計算，闡述了新奧法的巖體動態性質的力學概念。
  13. 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

    為此，提出了在已經建成的區間隧道基礎上，結合新奧法進行擴挖而形成地鐵車站的施工方案。
  14. ( 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 ）詳細闡述了新奧法先進的支護理論，採用flac ~ （ 3d ）對各種支護結構的加固機理進行數值模擬分析；針對鷓鴣山隧道特有的地質特徵建立了一套服務于支護設計的圍巖分類方案；在以上研究成果基礎上確立了大變形的支護原則，制定了一套大變形支護設計方案。
  15. 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

    特別是高速公路隧道工程往往採用新奧法施工，其應用在我國僅僅二十來年的時間，人們對新奧法的認識，處于探索與實踐中。
  16. 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

    本文針對不良地質地段的隧洞施工，系統論述了新奧法的理論和在工程實踐中的應用，提出了應盡可能少地擾動圍巖的自然狀況並充分利用圍巖自身承載力；重點是要在現場廣泛開展監測工作和相應的資料分析；然後根據現場的監測信息以及對圍巖的觀察和認識，對設計進行及時反饋，及時優化支護和施工參數用於和指導現場施工。
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