Abstract
To create a good working environment for workers in coal mines and ensure that they can work safely and comfortably, environmental assessments of coal mines represent an important method used to achieve this goal. In this paper, a comprehensive environmental evaluation model of coal mines was established based on generalized linear theory and fuzzy analytic hierarchy processes. First, the importance degree of each index factor was obtained by analyzing the statistical source data of air, water, soil, ecological compensation, and other indexes that affect the ecological environmental safety of coal mines using generalized linear theory. Based on the importance degree of each index factor, a pairwise comparison matrix was constructed by the logarithmic fuzzy preference programming method, and the influence weight value of each index factor was accurately obtained through MATLAB software. The results indicated that the model can effectively reduce the impact of expert subjectivity on the evaluation results, which is consistent with the reality of coal mines. In addition, in the process of environmental assessment of coal mines, the model is proven to be convenient, precise, and easy to operate.
Highlights
Resource safety is an important part of national strategic safety, and the development of mineral resources is always an important mission [1,2,3]
Due to technological reasons and the pursuit of high profits, the strength of mine ecological protection and restoration management has not been as strong as people would prefer, leading to the intensification of the contradiction between the coal mine development and ecological safety, e.g., the high production rate of three wastes of coal mines, the long potential harm of radiation, and the serious pollution to the air, water and soil [2]
The disordered development in some areas has led to geological disasters, such as surface collapse and debris flow, which have intensified land desertification and led to the degradation of ecological environmental quality [3]
Summary
Resource safety is an important part of national strategic safety, and the development of mineral resources is always an important mission [1,2,3]. The current ecological environmental safety assessment of coal mines can measure the overall status of the ecological quality of coal mines and reflect the governance of the ecological environmental pollution. It can quickly identify the important factors that cause the deterioration of the mine environment, allowing for the quick adoption of the most effective measures to control the “culprits” that make the mine environment worse
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