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Gold Science and Technology ›› 2020, Vol. 28 ›› Issue (6): 910-919.doi: 10.11872/j.issn.1005-2518.2020.06.108

• Mining Technology and Mine Management • Previous Articles     Next Articles

Mine Safety Production Status Evaluation Based on Combination Weight and Matter Element Analysis

Yuxian KE(),Cheng WANG(),Lifa FANG,Baoquan LIAO   

  1. School of Resources and Environmental Engineering,Jiangxi University of Science and Technology,Ganzhou 341000,Jiangxi,China
  • Received:2020-06-13 Revised:2020-07-12 Online:2020-12-31 Published:2021-01-29
  • Contact: Cheng WANG E-mail:keyuxian@jxust.edu.cn;1223177409@qq.com

Abstract:

Mine safety is the foundation and premise of the sustainable development of mining industry.To do well in mine safety work is very important to ensure the development of regional economy and the safety of citizens’ personal and property.With the increase of mining scale and mining depth of mineral resources,the situation of mine safety production is becoming more and more complex,and various kinds of safety accidents happen frequently,which brings inestimable consequences to the country and the people.Therefore,in order to evaluate the situation of mine safety production accurately,reduce the accidents of mine safety production and ensure the sustainable development of the mine,the evaluation model of mine safety production status (MSPS) based on combination weight and matter element analysis was established.Firstly,according to the influencing factors of mine safety production,an evaluation index system of MSPS was constructed,which takes safety management,safety technology,safety production education and training and safety environment as the standard level,containing 12 evaluation indexes such as safety production management organization and safety management system as the index level.Industry experts scored each evaluation index,and we summarized and normalized the scoring results.Then the matter-element transformation was used to determine the classical domain,nodal domain and the matter-element of evaluated mine matter-element.The correlation degrees between the evaluation indexes and the established safety levels were calculated step by step,and the concept of distance function was introduced into the combination of analytic hierarchy process and entropy weight method for weighting to accurately determine the combination weight of mine safety production evaluation index.Finally,the grade of MSPS can be obtained from the comprehensive correlation degree between evaluation indexes and established safety levels.After calculation,the safety grades of five mines under a mining group are respectively grade Ⅱ,grade Ⅲ,grade Ⅱ,grade Ⅰ and grade Ⅱ.The fuzzy comprehensive evaluation method was used to verity the results,and the two evaluation results are consistent.The research results show that the weight of evaluation indexes calculated by combination weighting method are more scientific and reasonable because it can avoid absolute subjectivity and objectivity.In addition,the evaluation model of mine safety production based on the combination weight and matter-element analysis provides an effective technical way for the study of mine safety production,which is helpful for the formulation and completion of the best mine safety production management plan.It is of great guiding significance to improve the safety production guarantee system of mines.

Key words: mine safety, evaluation system, matter element analysis method, distance function, combination wei-ghting, correlation degree, security level

CLC Number: 

  • TD79

Fig.1

Comprehensive evaluation index system of mine safety production"

Table 1

Expert scoring results of safety evaluation indexes of mines"

评价指标评分值
矿山1矿山2矿山3矿山4矿山5
x13627302619
x22718293134
x31532281724
x42227193531
x52513293730
x61920343824
x72423163321
x81729253134
x92721193124
x103035282721
x111724253719
x122421332718

Table 2

Expert scoring results of mine safety grade range"

业内专家安全管理安全技术安全生产教育与培训安全环境
Ⅰ级下限Ⅱ级下限Ⅲ级下限Ⅰ级下限Ⅱ级下限Ⅲ级下限Ⅰ级下限Ⅱ级下限Ⅲ级下限Ⅰ级下限Ⅱ级下限Ⅲ级下限
专家13425122818834251228178
专家235251527189342512312010
专家333231532201032231027177
专家43727172820835261226187
专家53323142919933241129208
专家6362515302010342513301910
专家737251733221135261328178
专家833251428191036271428188
专家935241532221233241227177
专家1037281633221334251126177
得分汇总35025015030020010034025012028018080
平均值35251530201034251228188

Table 3

Classification standard for safety evaluation indexes of mine"

评价指标

安全性高

(Ⅰ级)

安全性良好(Ⅱ级)安全性一般(Ⅲ级)

安全性差

(Ⅳ级)

安全管理(x1~x3[35,40][25,35)[15,25)[0,15)
安全技术(x4~x6[30,40][20,30)[10,20)[0,10)
安全教育与培训(x7~x9[34,40][25,34)[12,25)[0,12)
安全环境(x10~x12[28,40][18,28)[8,18)[0,8)

Table 4

Expert evaluation results of safety evaluation indexes of mine after normalization treatment"

评价指标评分值
矿山1矿山2矿山3矿山4矿山5
x10.9000.6750.7500.6500.475
x20.6750.4500.7250.7750.850
x30.3750.8000.7000.4250.600
x40.5500.6750.4750.8750.775
x50.6250.3250.7250.9250.750
x60.4750.5000.8500.9500.600
x70.6000.5750.4000.8250.525
x80.4250.7250.6250.7750.850
x90.6750.5250.4750.7750.600
x100.7500.8750.7000.6750.525
x110.4250.6000.6250.9250.475
x120.6000.5250.8250.6750.450

Table 5

Classification standard of safety evaluation indexes of mine after normalization treatment"

评价指标安全性高(Ⅰ级)安全性良好(Ⅱ级)安全性一般(Ⅲ级)安全性差(Ⅳ级)
安全管理(x1~x3[0.875,1)[0.625,0.875)[0.375,0.625)[0,0.375)
安全技术(x4~x6[0.75,1)[0.5,0.75)[0.25,0.5)[0,0.25)
安全教育与培训(x7~x9[0.85,1)[0.625,0.85)[0.3,0.625)[0,0.3)
安全环境(x10~x12[0.7,1)[0.45,0.7)[0.2,0.45)[0,0.2)

Table 6

Correlation degree of safety evaluation indexes of mine 1 to four safety levels"

评价指标相关度
Ⅰ级Ⅱ级Ⅲ级Ⅳ级
x1-0.200-0.200-0.733-0.861
x2-0.381-0.200-0.133-0.480
x3-0.571-0.4000.0000.000
x4-0.308-0.2000.200-0.400
x5-0.250-0.500-0.250-0.500
x6-0.367-0.050-0.100-0.321
x7-0.385-0.059-0.077-0.429
x8-0.500-0.320-0.385-0.227
x9-0.350-0.222-0.133-0.536
x10-0.167-0.167-0.545-0.688
x11-0.393-0.056-0.100-0.346
x12-0.200-0.400-0.273-0.500

Table 7

Entropy weight of each evaluation index"

评价指标矿山1矿山2矿山3矿山4矿山5
x10.0820.0900.0940.0590.072
x20.1070.1120.1090.1310.078
x30.1060.1250.0930.1200.054
x40.0460.1190.0560.1190.107
x5-0.0110.1160.0900.0460.107
x60.070-0.0090.077-0.0230.081
x70.060-0.0110.1070.1030.086
x80.1260.1110.0660.1300.076
x90.1310.0890.0400.1300.049
x100.1010.0630.0800.1030.100
x110.0680.0970.109-0.0210.105
x120.1150.0980.0800.1050.086

Table 8

Distribution coefficient and combination weight of the other four mines"

评价指标

矿山2

α=0.569,β =0.431)

矿山3

α=0.559,β =0.441)

矿山4

α=0.580,β =0.420)

矿山5

α=0.557,β =0.443)

x10.0960.0970.0830.087
x20.1050.1040.1130.090
x30.0820.0690.0790.052
x40.0710.0440.0700.067
x50.1250.1130.0960.121
x60.0430.0800.0380.082
x70.0220.0730.0700.064
x80.1450.1250.1540.129
x90.0570.0350.0730.039
x100.0780.0860.0950.094
x110.0590.0660.0090.064
x120.1160.1080.1190.110

Table 9

Results of matter-element evaluation of safety in mines"

安全性级别矿山1矿山2矿山3矿山4矿山5
级别评价结果Ⅱ级Ⅲ级Ⅱ级Ⅰ级Ⅱ级
Ⅰ级-0.339-0.361-0.309-0.259-0.203
Ⅱ级-0.251-0.319-0.256-0.323-0.121
Ⅲ级-0.261-0.265-0.352-0.447-0.294
Ⅳ级-0.444-0.453-0.557-0.640-0.508

Table 10

Comparison between the results of this paper and the results of fuzzy comprehensive evaluation"

方法安全等级
矿山1矿山2矿山3矿山4矿山5
本文方法评价结果Ⅱ级Ⅲ级Ⅱ级Ⅰ级Ⅱ级
模糊综合评价法评价结果Ⅱ级Ⅲ级Ⅱ级Ⅰ级Ⅱ级
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