Accident causal analysis of object strike in hydropower project construction based on text mining

doi:10.16265/j.cnki.issn1003-3033.2024.04.1452

Abstract

Abstract:

To clarify the accident causes and their association rules of strike accidents in hydropower project construction, specific accident prevention strategies were proposed to curb accidents at source. Based the selected object strike accidents during hydropower construction process, 14 accident causal parameters were summarized using text mining from four perspectives including worker, machine, environment and management. Moreover, an importance analysis model was proposed by coupling association rules and the DEMATEL approach to analyze the interrelated relationship between causes and determine major accident causes. The results showed that the accident causes of object strikes in hydropower projects were closely related to each other, among which inadequate safety supervision and inspection, illegal operations, insufficient safety protection, and weak safety awareness directly affected the accident's occurrence. Furthermore, the deeper causing factors of accidents were incomplete on-site cleaning, insufficient disclosure of safety technology, and inadequate safety education. Weak safety awareness ranked first in terms of centrality and had the greatest influence on the accident causation system, thereby the above causative factors should be emphasized in project construction.

Key words: text mining, hydropower project construction, object strike, accident causes, association rules, decision making trial and evaluation laboratory(DEMATEL) approach

CLC Number:

X928.02事故处理

ZHENG Xiazhong, LIU Yicheng, SHAO Bo, WANG Shuo, KE Shan'gang. Accident causal analysis of object strike in hydropower project construction based on text mining[J]. China Safety Science Journal, 2024, 34(4): 50-57.

Figures/Tables 9

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References 15

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主题	特征词
1	现场、管理、事故、落实、责任、履行、职责、督促、规章制度
2	防范、措施、流于形式、未能、支架、扣件、支护、横撑、溜槽、承台
3	作业、人员、违章、操作、违反、规程、吊装、吊柱、放置、钢管、挖掘机
4	现场、爆破、岩块、围岩、块石、施工、危石、裂隙、隐患、电杆、缺位、节理
5	事故隐患、滑坡、重视、及时、发现、井沟、涉事、盖板、消除、施工
6	作业、交叉、现场、拖吊、拉线、挂钩、矩管、发生、风道、分包
7	玄武岩、岩类、致密、坚硬、倾角、斑状、岩石、导致、扰动、混凝土、事故
8	安全意识、盲目、缺乏、提升、坠落、放松、拆除、致使、人员、施工
9	交底、技术、操作、规程、细则、断裂、严格、执行、制定、监理
10	维护、保养、年限、较长、断裂、冲击、磨损、长时间、联结、螺栓、料斗、托轮
11	检查、安全、焊接、隐患、人员、牢固、固定、排查、整治、冒险
12	教育、培训、意识、擅自、指挥、过程、规定、现场、到位、监理
13	经验、人员、安全、意识、脱落、缺乏、失误、落实、导致、施工、发生
14	清理、岩石、到位、部位、现场、围岩、异常、施工、导致、钻孔

代码	致因因素	代码	致因因素
C₁	现场管理失职	C₈	安全意识淡薄
C₂	安全防护措施不完备	C₉	安全技术交底不到位
C₃	违章作业	C₁₀	维护保养不到位
C₄	作业环境不佳	C₁₁	安全监督检查不到位
C₅	隐患排查治理不力	C₁₂	安全教育培训不到位
C₆	交叉作业	C₁₃	施工经验不足
C₇	地质条件不良	C₁₄	现场清理不彻底

后项	前项	支持度	置信度	作用度
C₁₁	C₂, C₁₂	0.111	0.833	1.875
C₈	C₁₁,C₁₃	0.111	0.833	1.364
C₈	C₁₄	0.102	0.818	1.339
C₈	C₇,C₁₃	0.102	0.818	1.339
C₈	C₁,C₁₃	0.102	0.818	1.339
C₈	C₂,C₁₃	0.194	0.81	1.325

致因因素	C₁	C₂	C₃	C₄	C₅	C₆	C₇	C₈	C₁₁	C₁₂	C₁₃
C₁	0.00	0.47	0.62	0.00	0.41	0.00	0.00	0.62	0.59	0.44	0.00
C₂	0.00	0.00	0.42	0.00	0.00	0.62	0.00	0.00	0.54	0.00	0.42
C₃	0.40	0.40	0.00	0.00	0.00	0.00	0.00	0.60	0.54	0.00	0.40
C₄	0.00	0.00	0.00	0.00	0.00	0.00	0.56	0.64	0.00	0.00	0.00
C₅	0.00	0.44	0.44	0.00	0.00	0.00	0.00	0.58	0.53	0.00	0.00
C₆	0.00	0.61	0.50	0.00	0.00	0.00	0.00	0.61	0.56	0.00	0.44
C₇	0.00	0.46	0.00	0.58	0.00	0.00	0.00	0.63	0.00	0.00	0.46
C₈	0.00	0.47	0.47	0.00	0.00	0.00	0.00	0.00	0.41	0.00	0.47
C₉	0.50	0.50	0.71	0.00	0.57	0.00	0.00	0.50	0.71	0.64	0.00
C₁₀	0.00	0.50	0.00	0.00	0.50	0.00	0.00	0.00	0.00	0.00	0.00
C₁₁	0.42	0.56	0.58	0.00	0.00	0.00	0.00	0.56	0.00	0.00	0.00
C₁₂	0.52	0.41	0.59	0.00	0.45	0.00	0.00	0.48	0.62	0.00	0.00
C₁₃	0.00	0.51	0.51	0.00	0.00	0.00	0.00	0.76	0.00	0.00	0.00
C₁₄	0.00	0.64	0.00	0.00	0.00	0.00	0.00	0.82	0.45	0.00	0.55

C_i	V	Y	U	J	q	b
C₁	1.571	1.012	2.583	0.558	5	原因
C₂	0.830	2.873	3.702	-2.041	3	结果
C₃	1.145	2.664	3.809	-1.519	2	结果
C₄	0.548	0.163	0.711	0.386	13	原因
C₅	0.950	0.608	1.558	0.342	10	原因
C₆	1.281	0.581	1.862	0.700	9	原因
C₇	0.910	0.158	1.068	0.753	12	原因
C₈	0.866	3.028	3.894	-2.162	1	结果
C₉	2.147	0.000	2.147	2.147	6	原因
C₁₀	0.458	0.000	0.458	0.458	14	原因
C₁₁	1.064	2.580	3.644	-1.516	4	结果
C₁₂	1.551	0.369	1.920	1.182	8	原因
C₁₃	0.834	1.244	2.078	-0.410	7	结果
C₁₄	1.123	0.000	1.123	1.123	11	原因