A NEW CATEGORIZATION OF TYPES OF SLOPE COLLAPSE IN MOUNTAIN AREAS

Regarding the collapse of a special type of soil erosion in mountain a reas. Studying its types, processes and stages can provide a scientifi c basis for prediction. Collapses can be classified into three types, natural, man-made and compound, and each type can be subdivided into f our kinds, break-falling, pull-splitting, toppling and slipping. The p rocesses of collapse are creep-deformation, deformation-development an d break-out. The second one is subdivided into two periods, the gentle and intense.