Abstract:

DujiangyanWenchuan highway was destroyed in Wenchuan earthquake on May 12, 2008, which brings great difficulties to the earthquake relief work. Based on the geologic structures and joint fissures of Laohuzui landslide, the authors analyze the collapse mechanisms of Laohuzui landslide and discuss the countermeasures and treatment schemes of the landslide.

Key words: Wenchuan earthquakeDujiangyanWenchuan highwaylandslide, collapse mechanismstreatment scheme