引言新奥地利隧道施工方法(NATM,以下简称新奥法)或收敛约束法(CCM)的指导思想是充分发挥围岩自承能力,因地制宜地搞好洞室开挖和支护工作,以达到多快好省地进行隧道施工的目的。由于洞室围岩构造复杂,而且施工前难以预见,所以现场量测反馈是新奥法和收敛约束法中承前启后的关键环节。 Introduction The guiding principle of the New Austria Tunnel Construction Method (NATM, hereinafter referred to as the New Austrian Law) or the Convergence Constraint Method (CCM) is to give full play to the self-supporting capacity of the surrounding rock and do a good job of excavation and support work in light of local conditions in order to achieve more The purpose of the tunnel construction is quick and easy. Because the structure of the surrounding rock of the cavern is complex and difficult to foresee before construction, on-site measurement feedback is the key link in the Neo-Australian and convergence constraints.