Definition and evaluation of behavior safety state of coal mine workers based on combination weighting
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摘要: 为减少煤矿行业安全生产事故的发生,融合安全行为及不安全行为定义、行为安全理论、MMEM系统理论,提出煤矿作业人员行为安全状态的界定标准。根据行为影响因素,建立煤矿作业人员行为安全状态评价指标体系,包括4个一级指标和21个二级指标,利用改进层次分析法、熵权法和差异系数法确定主、客观权重及组合权重,选用可拓综合评价法构建评价模型,并选取某煤矿进行实例验证。研究表明:针对煤矿行业,D-E-I模式具有普适性;实证评价等级为Ⅳ级,即“比较安全”,评价结果符合实际,模型科学性与实用性较强。Abstract: In order to reduce the occurrence of safety production accidents in coal mine industry, this paper combined the definition of safety behavior and unsafe behavior, behavior safety theory and MMEM system theory to put forward the standard definition of safety state of coal mine workers' behavior.According to the behavior influencing factors, this study established the coal mine workers behavior safety state evaluation index system, including 4 first-level indicators 21 secondary indexes.The Improved-AHP method, Entropy Weight method and variance coefficient method were adopted to determine the subjective and objective weights and weight combination.Taking one mine as example for analysis, this paper chose extension comprehensive evaluation method to construct the evaluation model. Results show that: For the coal mine industry, the defined-evaluation-improvement(D-E-I)model is universal.The empirical evaluation level is Ⅳ or "relatively safe".The evaluation results are in line with reality, and the model is scientific and practical.
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表 1 行为安全状态评价指标安全等级
Table 1. Behavior safety state evaluation index safety grade
安全等级 安全水平 得分 Ⅰ级 非常危险 0~40 Ⅱ级 危险 40~50 Ⅲ级 比较危险 50~60 Ⅳ级 比较安全 60~70 Ⅴ级 安全 70~90 Ⅵ级 非常安全 90~100 表 2 个人因素信息熵及熵权值
Table 2. Information entropy and entropy weight of personal factors
个人因素 安全意识 安全经验 安全技术 安全技能 安全注意力 信息熵 0.997 0.998 0.997 0.998 0.999 熵权值 0.288 0.212 0.239 0.145 0.116 表 3 主、客观权重分配系数α、β值
Table 3. α and β values of subjective and objective weight distribution coefficients
权重分配系数 α β 一级评价指标 0.046 0.954 二级评价指标—个人因素 0.134 0.866 二级评价指标—机械因素 0.082 0.918 二级评价指标—环境因素 0.096 0.904 二级评价指标—管理因素 0.146 0.854 表 4 煤矿作业人员行为安全状态评价指标组合权重
Table 4. Combination weight of evaluation index for safety state of coal mine operator behavior
一级评价指标 权重值 排序 二级评价指标 权重值 排序 一级评价指标 权重值 排序 二级评价指标 权重值 排序 个人因素B1 0.296 2 安全意识C11 0.281 1 环境因素B3 0.198 3 光照强度C31 0.260 1 安全经验C12 0.217 3 噪声强度C32 0.217 2 安全技术C13 0.228 2 工友关系C33 0.204 3 安全知识C14 0.152 4 微气候环境C34 0.147 5 安全注意力C15 0.119 5 地面整洁度C35 0.173 4 机械因素B2 0.197 4 设备可靠性C21 0.188 4 管理因素B4 0.308 1 安全文化氛围C41 0.196 1 人机匹配度C22 0.271 1 安全培训力度C42 0.140 5 设备维修频率C23 0.121 5 安全监督水平C43 0.136 6 设备检查力度C24 0.226 2 安全管理制度C44 0.167 4 防护装置水平C25 0.193 3 安全知识宣传C45
安全行为激励C460.181
0.1813
2表 5 二级指标安全等级关联度值
Table 5. Safety grade correlation degree of secondary indicators
二级评价指标 Ⅰ级 Ⅱ级 Ⅲ级 Ⅳ级 Ⅴ级 Ⅵ级 指标安全等级 安全意识C11 -0.250 -0.100 0.125 -0.100 -0.250 -0.438 Ⅲ 安全经验C12 -0.422 -0.307 -0.133 0.156 -0.119 -0.416 Ⅳ 安全技术C13 -0.328 -0.193 0.008 -0.008 -0.204 -0.429 Ⅲ 安全知识C14 -0.322 -0.187 0.017 -0.016 -0.208 -0.430 Ⅲ 安全注意力C15 -0.478 -0.373 -0.217 0.044 -0.041 -0.405 Ⅳ 设备可靠性C21 -0.439 -0.327 -0.158 0.122 -0.098 -0.413 Ⅳ 人机匹配度C22 -0.461 -0.353 -0.192 0.078 -0.067 -0.409 Ⅳ 设备维修频率C23 -0.278 -0.133 0.083 -0.071 -0.235 -0.435 Ⅲ 设备检查力度C24 -0.367 -0.240 -0.050 0.056 -0.174 -0.424 Ⅳ 防护装置水平C25 -0.428 -0.313 -0.142 0.144 -0.112 -0.415 Ⅳ 光照强度C31 -0.283 -0.140 0.075 -0.065 -0.232 -0.434 Ⅲ 噪声强度C32 -0.151 0.028 -0.027 -0.189 -0.305 -0.459 Ⅱ 工友关系C33 -0.522 -0.427 -0.283 -0.044 0.049 -0.394 Ⅴ 微气候环境C34 -0.350 -0.220 -0.025 0.026 -0.188 -0.426 Ⅳ 地面整洁度C35 -0.244 -0.093 0.115 -0.105 -0.253 -0.438 Ⅲ 安全文化氛围C41 -0.278 -0.133 0.083 -0.071 -0.235 -0.435 Ⅲ 安全培训力度C42 -0.244 -0.093 0.115 -0.105 -0.253 -0.438 Ⅲ 安全监督水平C43 -0.372 -0.247 -0.058 0.066 -0.169 -0.423 Ⅳ 安全管理制度C44 -0.143 0.043 -0.040 -0.200 -0.314 -0.467 Ⅱ 安全知识宣传C45 -0.328 -0.193 0.008 -0.008 -0.204 -0.429 Ⅲ 安全行为激励C46 -0.439 -0.327 -0.158 0.122 -0.098 -0.413 Ⅳ 表 6 一级指标关联度值
Table 6. Correlation degree of first-level indicators
一级评价指标 Ⅰ级 Ⅱ级 Ⅲ级 Ⅳ级 Ⅴ级 Ⅵ级 指标安全等级 个人因素 -0.343 -0.212 -0.015 0.007 -0.179 -0.425 Ⅳ 机械因素 -0.407 -0.288 -0.110 0.076 -0.126 -0.417 Ⅳ 环境因素 -0.307 -0.166 -0.028 -0.081 -0.188 -0.432 Ⅲ 管理因素 -0.302 -0.159 -0.009 -0.033 -0.211 -0.434 Ⅲ -
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