云桂线富宁隧道围岩分级变更分析

刘伟，吴朝钢，张瑞，周飞棚

Analysis of Alteration of Surrounding Rock Classification of Funing  Tunnel on YunGui Railway

LIU Wei, WU Chaogang, ZHANG Rui, ZHOU Feipeng

隧道建设 . 2018, (6): 895 -900 . DOI: 10.3973/j.issn.2096-4498.2018.06.002