北川县地质灾害类型及特征研究

Types and characteristics of geological disasters in Beichuan County

北川县位于青藏高原东部边缘的龙门山构造带内,境内松散地层均有出露,地层岩性较为复杂,构造活动强烈,县内有24万余人.本文以北川县为研究对象,研究了北川县的滑坡、泥石流、崩塌、不稳定斜坡等地质灾害类型、发育特征及成因,并提出了地质灾害的防治措施.

Beichuan county is located in the Longmenshan tectonic belt of the east border in Qingzang plateau.Large areas of loose formations appear on the surface. Formation lithology is very complex,and tectonic activity is strong. There are 24 million people in Beichuan county. Taking Beichuan County as the research object,this paper studies the types,characteristics and causes of geological disasters such as landslide,debris flow,collapse and unstable slope in Beichuan county.