隧道正交穿越顺层坡变形破坏处治方案研究

Research on Treatment Schemes for Deformation and Failure of Tunnel Crossing Orthogonally Through Bedding Slope

山区高速公路隧道穿越顺层坡发生病害频次越来越多,文章以乐业至百色高速公路隧道正交穿越顺层坡病害处治为例,分析隧道口坡体病害形成的原因并观察其空间位置、地质情况、变形特征、地形条件,研究显示此类病害分为滑坡变形及隧道开挖的协调变形,并有区别的提出处治方案和处治措施。研究可为类似的工程提供参考。

More and more diseases occur in mountainous expressway tunnels crossing bedding slopes.The article takes the treatment of the diseases of the Leye-Baise highway tunnel orthogonally crossing the bedding slope as an example,analyzes the reasons for the formation of the slope diseases of the tunnel entrance and observes its spatial location,geological conditions,deformation characteristics,and topographical conditions.The study shows that such diseases are divided into landslide deformation and coordinated deformation of tunnel excavation,and treatment plans and treatment measures are proposed differently.