NATM and shield driven method are two main kinds of underground excavation construction methods in urban metro works.
浅埋暗挖法和盾构法是城市地铁采用暗挖施工的两种主要的暗挖施工方法。
The tunneling monitoring measurment and information feedback technology is one of the major content to construct tunnels using the principle of the new Austrain tunneling method (NATM).
隧道监控量测及信息反馈技术是新奥法（NATM）原理修建隧道的主要内容之一。
Also the principle of NATM (New Austrian Tunneling method) and the method of excavation and shoring in tunnel construction are being given.
文章也介绍了新奥法的原理以及隧洞的开挖和支护方法。
At present, construction methods of metro station include cut and cover, NATM, shield driven method and their combination and changing forms at home and abroad.
目前国内外修建地铁车站的施工方法有明挖法、新奥法、盾构法和这三种方法的组合及变化形式。
At present, construction methods of metro station include cut and cover, NATM, shield driven method and their combination and changing forms at home and abroad.
目前国内外修建地铁车站的施工方法有明挖法、新奥法、盾构法和这三种方法的组合及变化形式。
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