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由奥地利学者L.Rabcewicz在1963年定名的新奥法NATM(New Austrian tunnelling Method)如果仅理解为隧道的施工方法是不恰当的。正确地说,它是一系列隧道工程所应遵循的原则。其基本概念在于主张在整个支护体系中岩体是主要承载单元,并允许岩
The NATM (New Austrian Tunneling Method), named in 1963 by the Austrian scholar L.Rabcewicz, is only inappropriate if it is understood that tunneling methods are not used. Correctly, it is a principle that a series of tunneling projects should follow. The basic idea is to assert that the rock mass is the main load-bearing unit throughout the support system and allows rock