福建省南安市地质灾害发育特征及影响因素分析

ANALYSIS ON DEVELOPMENT CHARACTERISTICS AND INFLUENCE FACTORS OF GEOLOGICAL HAZARDS IN NAN'AN CITY OF FUJIAN PROVINCE

为有效防治南安市地质灾害,针对南安市地质灾害易发育、数量多、类型全、分布广、稳定性差、突发性强和危害性大等特点,在南安市地质灾害详查工作的基础上总结了南安市地质灾害发育、分布及稳定性特征,分析了主要控制因素和诱发因素,南安市地质灾害发育类型主要为滑坡、崩塌和不稳定斜坡,地质灾害诱因主要为降雨和人类工程活动。

Geological hazards in Nan＇an city are featured by easy development, huge amount,multiple types, extensive distribution, low stability, high burstiness and great harm. Based on the investigation of geological hazards in Nan＇an city, development, distribution and stability characteristics of geological hazards were summarized. Control and inducing factors of geological hazards were analyzed for effectively preventing geological hazards. The main development types of geological hazards in Nan＇an city are landslip, collapse and unstable slope. The main inducing factors are rainfall and human engineering activities.