【摘要】 简要介绍了白龙山隧道出口发生大坍方的情况、坍方处理方案的制定和实施全过程及整治效果更多还原

【Abstract】 In this paper, an engineering case of collapse of Bailongshan tunnel is briefly introduced. The project of this collapse treatment and full engineering process as well as effect of improvement are also described.更多还原