坳沟

山区高速公路坳沟地形路基变形破坏特点分析与防治

Analyzing the subgrade deformation from col landform in expressway in mountain

浅谈坳沟土段挖孔桩施工的护壁方法

Wall-Supporting Method of Clough Soil Section in the Construction of Excavated Pile

挖土机和起重机开始夷平建筑（的工作）。浅谈坳沟土段挖孔桩施工的护壁方法

Excavators and cranes have started to raze buildings Wall-Supporting Method of Clough Soil Section in the Construction of Excavated Pile

中国西部山区修建高速公路，在路线穿越坳沟后缘时，路基经常出现开裂、变形、破坏。

The construction of expressway has been carried out among the western mountains in China , during which the subgrade across the gear of the col landform tends to meet the instances to be broken , deformed and damaged .