Abstract:
Because of the lack of water and soil habitat necessary for plant growth and the mechanical conditions that are firmly attached to the rock surface, vegetation restoration of hard rock slope in open-pit mining area is one of the more difficult technical problem.For this technical problem, domestic and foreign scholars have carried out a large number of related research and practice, and they have made a series of achievements and progress.This paper reviews the current vegetation restoration technologies and their applicable conditions for hard rock slope and high-elevation surface.Including the restoration technology of engineering-oriented and ecological restoration technology, there are total of eleven commonly used methods.At the same time it pointed out three major categories of problems in the application of these methods.Several joint repair models are proposed, which are suitable for different combinations of climate and slope characteristics in northwest region.The purpose is to provide a reference for the construction and research work of the vegetation restoration.At the same time, there is also great significance to the slope greening and management of other types of mining areas.