Full
Outline
Aiming at the characteristics of many influencing factors of mine safety production, complex interaction relationship and fuzzy quantitative evaluation, an influencing factor analysis and risk evaluation model based on DEMATEL-ISM-CM was established. Firstly, a risk evaluation index system for mine safety was constructed from five dimensions: personnel, equipment, environment, management and technology. Then, the DEMATEL-ISM method was applied to identify key influencing factors, the multi-layer hierarchical structure diagram was drawn, and the index weights were calculated according to the centrality of the influencing factors. Finally, a lead-zinc mine in Hunan Province was selected as a case study to assess its mine safety risk level. The results show that the key factors affecting mine safety include engineering geological conditions, safety protection equipment, advanced mining technology, safety production investment and emergency management system, and the degree of mechanization and intelligent level of equipment are the fundamental causes. Based on the comprehensive evaluation cloud diagram model, the safety production risk of the mine was classified as low (level Ⅳ), which is consistent with engineering practice and confirms the reliability and applicability of the model. The multi-layer hierarchical structure diagram can clarify the transmission path of risk factors and provide theoretical guidance for the safety management of mining enterprises.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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