Research On Mine Land Reclamation Based On Land Reclamation Suitability Evaluation

Land is the premise and basic guarantee for all production activities,and is the source of human survival and development.The development of mineral resources promotes the development of the local economy,but on the other hand,it has caused a large area of land resources collapse.The productivity has been seriously degraded,and the mining environment and ecological economy have been greatly damaged.Therefore,in order to restore the land productivity of the mining area,promote the sustainable development of land resources,and carry out land reclamation of damaged land,it is an important measure to achieve coordinated development of social,economic and ecological benefits.This paper takes a coal mine in Shandong Province as the research object.By reviewing the status of land reclamation at home and abroad,based on the status of land use and damage in the mining area,the land reclamation suitability evaluation index system is constructed.The main content can be roughly divided into the following aspects.(1)Applying the analytic hierarchy process to assign weights to various evaluation factors,and using the index and method combined with the limit condition method to establish a land reclamation suitability evaluation model from three aspects of Yigong,Yilin and Yiyu,and suitable for land reclamation.Sexual evaluation.(2)However,this method has certain limitations.Therefore,the fuzzy comprehensive evaluation method is used to evaluate the land reclamation suitability of the mining area.The evaluation results of the first evaluation method are verified,and then the two suitability are compared and analyzed.The evaluation results make a more accurate judgment on the appropriate direction of land reclamation in the mining area,that is,priority is given to reclamation as cultivated land and fishery.(3)This paper also proposes corresponding land reclamation engineering measures and biochemical measures for the actual situation of the mining area.The specific analysis of specific measures has laid a good foundation for the land reclamation work in the mining area.The suitability evaluation of the reclaimed land is carried out by using a variety of suitability evaluation methods,which effectively eliminates the subjectivity of the single method and the limitations of the method itself,while avoiding the contingency of the single evaluation method and reducing the factors.The influence of error can provide more accurate directions and guidance for land reclamation,ensure the smooth progress of land reclamation work,and provide a research direction for the future development of land reclamation suitability evaluation.