Knowledge discovery and disaster chain network analysis of coal mine roof accidents
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摘要:
为预防煤矿顶板事故的发生，发现事故致因的知识和致因灾害链的网络分析具有重要意义；以煤矿顶板事故报告中的事故原因为数据集，构建事故致因知识图谱，并基于复杂网络对致因灾害链进行网络分析。研究结果表明：顶板冒顶、空顶、支架变形等22个原因是导致煤矿顶板事故发生的主要致灾因子；灾害链网络分析中风险度最大的边为违章指挥→作业人员违章作业；对关键节点和边实施管控，能有效控制煤矿顶板事故的发生或衍生发展。
Abstract:In order to prevent the occurrence of coal mine roof accidents, it is of great significance to realize the knowledge discovery of accident causes and the network analysis of disaster chain. Taking the accident causes in the coal mine roof accident report as the data set, the knowledge map of accident causes was constructed. Further, based on the complex network theory, the causal disaster chain network is constructed and analyzed. The research results show that 22 factors, such as roof collapse, empty roof and support deformation, are the main disaster causing factors of coal mine roof accidents; the side with the greatest risk is from illegal command to illegal operation of operators in disaster chain network analysis. The control of key nodes and edges can effectively control the occurrence or derivative development of coal mine roof accidents.
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Keywords:
- coal mine roof accident /
- complex network /
- knowledge discovery /
- disaster chain /
- safety management
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图 5 平均介数中心度、聚类系数、紧密度系数变化
Figure 5. Variation of average betweenness centrality, clustering coefficient and compactness coefficient
表 1 直接致因集群关键词表
Table 1 Keywords table of cluster of direct causes
集群 关键词 主要内容 1# 破碎、液压、支架、应力、地质、压死、岩石、综采 顶板破碎和支架 2# 导致、大面积、垮落、受伤、巷道 顶板垮落 3# 巷道、顶板、支护、强度、冒顶、压力、加固、维修 顶板支护和支护强度 4# 事故、致死、措施、规程、工人、违反、支柱 事故的致死和措施规程 5# 掘进、空顶、锚杆、锚索、失稳、离层、施工 空顶作业、违章掘进和锚杆锚索 6# 工作面、作业、现场、人员、违章、冒险、发生 工作面和违章作业 
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表 2 间接致因集群的关键词表
Table 2 Keywords table of indirect cause cluster
集群 关键词 主要内容 1# 工作面、顶板、事故、支护、支架、巷道、施工 工作面的支护 2# 针对性、措施、技术、规程、编制、不严 作业规程和技术措施 3# 作业、人员、职工、安全意识、风险、淡薄、教育、培训、 人员的教育培训和安全意识 4# 现场、管理、执行、管理人员、安全检查、领导、检查、职责 管理人员和现场管理 5# 制度、严格执行、敲帮、问顶、管理混乱、违反、安全措施 制度和措施的执行 6# 未能、消除、采取有效、事故隐患、防护 事故隐患和有效措施 7# 隐患、排查、落实、责任、到位、安全监管、整改、督促 隐患排查和责任落实
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表 3 煤矿顶板事故的致灾因子
Table 3 Disaster causing factors of coal mine roof accidents
编号 致灾因子 编号 致灾因子 ${V_1}$ 顶板冒顶 ${V_{12}}$ 违章指挥 ${V_2}$ 顶板破碎 ${V_{13}}$ 锚杆锚索失效 ${V_3}$ 空顶 ${V_{14}}$ 安全措施不到位 ${V_4}$ 矸石离层掉落 ${V_{15}}$ 未遵守作业规程 ${V_5}$ 支护作业不可靠 ${V_{16}}$ 培训教育不到位 ${V_6}$ 顶板垮落 ${V_{17}}$ 管理人员作风不实 ${V_7}$ 液压支架工作阻力不足 ${V_{18}}$ 未制定针对性措施 ${V_8}$ 支架变形 ${V_{19}}$ 未能排查隐患 ${V_9}$ 工作面处理不当 ${V_{20}}$ 责任落实不到位 ${V_{10}}$ 作业人员违章作业 ${V_{21}}$ 管理混乱 ${V_{11}}$ 未敲帮问顶 ${V_{22}}$ 安全意识淡薄
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表 4 节点的度中心性
Table 4 Degree centrality of nodes
节点 $D_{{\mathrm{C}}i}$ 节点 $D_{{\mathrm{C}}i}$ 节点 $D_{{\mathrm{C}}i}$ 节点 $D_{{\mathrm{C}}{{i}}}$ ${V_1}$ 0.286 ${V_7}$ 0.439 ${V_{13}}$ 0.190 ${V_{19}}$ 0.619 ${V_2}$ 0.286 ${V_8}$ 0.143 ${V_{14}}$ 0.524 ${V_{20}}$ 0.190 ${V_3}$ 0.238 ${V_9}$ 0.619 ${V_{15}}$ 0.238 ${V_{21}}$ 0.286 ${V_4}$ 0.381 ${V_{10}}$ 0.667 ${V_{16}}$ 0.476 ${V_{22}}$ 0.524 ${V_5}$ 0.619 ${V_{11}}$ 0.286 ${V_{17}}$ 0.381 ${V_6}$ 0.476 ${V_{12}}$ 0.190 ${V_{18}}$ 0.524
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表 5 节点的综合重要度
Table 5 Comprehensive importance of nodes
节点 $I_{i}$ 节点 $I_{i}$ 节点 $I_{i}$ 节点 $I_{i}$ ${V_1}$ 0.137 ${V_7}$ 0.406 ${V_{13}}$ 0.048 ${V_{19}}$ 0.771 ${V_2}$ 0.137 ${V_8}$ 0.044 ${V_{14}}$ 0.587 ${V_{20}}$ 0.045 ${V_3}$ 0.091 ${V_9}$ 0.752 ${V_{15}}$ 0.091 ${V_{21}}$ 0.178 ${V_4}$ 0.227 ${V_{10}}$ 1.00 ${V_{16}}$ 0.403 ${V_{22}}$ 0.514 ${V_5}$ 0.766 ${V_{11}}$ 0.151 ${V_{17}}$ 0.344 ${V_6}$ 0.318 ${V_{12}}$ 0.098 ${V_{18}}$ 0.605
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表 6 边介数及风险度
Table 6 Edge betweenness and risk degree
边：边介数&风险度 边：边介数&风险度 边：边介数&风险度 边：边介数&风险度 边：边介数&风险度 $\left( {12,10} \right)$：14.250&5.597 $\left( {19,5} \right)$：3.833&2.277 $\left( {10,14} \right)$：6.000&1.358 $\left( {22,19} \right)$：2.310&1.174 $\left( {20,18} \right)$：5.500&0.801 $\left( {21,9} \right)$：5.167&2.847 $\left( {21,18} \right)$：4.667&1.899 $\left( {22,9} \right)$：2.643&1.271 $\left( {18,22} \right)$：8.583&1.168 $\left( {15,5} \right)$：3.500&0.801 $\left( {15,10} \right)$：8.000&2.569 $\left( {21,14} \right)$：4.083&1.483 $\left( {16,10} \right)$：4.000&1.225 $\left( {8,5} \right)$：8.000&0.975 $\left( {9,5} \right)$：2.333&0.760 $\left( {20,19} \right)$：6.500&2.563 $\left( {21,19} \right)$：3.333&1.367 $\left( {14,5} \right)$：4.833&1.200 $\left( {16,22} \right)$：2.333&0.947 $\left( {10,6} \right)$：2.643&0.746 $\left( {22,10} \right)$：4.643&2.464 $\left( {18,14} \right)$：3.000&1.362 $\left( {17,19} \right)$：3.833&1.181 $\left( {10,5} \right)$：2.000&0.887 $\left( {19,7} \right)$：4.917&0.706
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