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本文根据新奥法理论结合某隧道实测结果，定性地探讨了影响围岩松驰变形的几种因素。指出现场量测对新奥法设计和施工的必要作用。并建议把围岩松驰变形量测作为公路隧道新奥法现场量测的一项必测内容。
According to the new Austrian law theory combined with the measured results of a tunnel, this paper qualitatively discusses several factors that affect the relaxation of surrounding rock. Point out the necessary effect of site measurement on the design and construction of New Austrian law. It is suggested that the measurement of the deformation of surrounding rock should be taken as a necessary test for on-the-spot measurement of highway tunnels.