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

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。本文通过实例介绍了某典型路基变形破坏情况,分析了导致路基破坏的因素,并据此提出了相应的处理措施。

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. Through the practice discussion is made on the formations of such instances, and given the precaution.