Abstract:Karst collapse is a kind of important geologic hazard in Shizhong district of Zaozhuang city. Setting Shizhong district of Zaozhuang city as an example, referring the theory and integral thought of regional geological hazards evaluation and early warning analysis, combining with practical situation of research areas, by using evaluation factors which have practical meaning, predication and evaluation have been carried out in geological hazards concentration areas. Four-degree evaluation system of karst collapse disasters has been set up in study area, they are "developing degree", "potential degree", "dangerous degree" and "harmful degree". Among them, "developing degree", "potential degree", "dangerous degree" can be divided into four degrees, and "harmful degree" can be divided into five degrees, and development degree of karst has been predicated and evaluated.
