Lanzhou has complex geological conditions, many geological disasters, various types of disasters and a wide range of points. It is one of the provincial capitals with the most serious geological disasters in China. At present, there are more studies on the types, distributions and developmental characteristics of geological disasters, while there are few studies on disaster prevention and control countermeasures and models. Through consulting materials, on-site investigation, classification and analysis, the author systematically summarizes the previous experience in the prevention and control of geological disasters, puts forward the geological disaster prevention and control model in Lanzhou City, and strives to improve the prevention and control effect of geological disasters and provide a reference basis for land and space planning. |