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结合蒙华铁路黄土隧道的工程实例,针对在黄土隧道地质区域出现的隧道初支钢架变形和初支喷射混凝土开裂、脱落的情况介绍以及导致其病害原因的分析研究,希望能够对铁路工程黄土隧道及软弱围岩隧道施工能起到一定的借鉴作用。
Combining with the engineering example of the Loess Tunnel in the Mongolia-Huaihua Railway, in view of the deformation of the primary support steel frame and the cracking and shedding of the first shotcrete in the geological area of the loess tunnel and the analysis of the cause of the cracking, it is hoped that the railway engineering loess Tunnel and soft surrounding rock tunnel construction can play a certain reference.