Study on causes of poisoning and asphyxiation in roadway opening by AHP-entropy weight method

doi:10.16265/j.cnki.issn 1003-3033.2021.07.026

Abstract

Abstract: In order to effectively prevent poisoning and asphyxiation accidents in roadway opening, AHP and entropy weight method for comprehensive analysis were used to construct an evaluation index system of such accidents. Then, objective weight of entropy weight method and subjective weight of AHP were coupled to form a combined weight. Finally, influencing factors of poisoning and asphyxiation accidents were analyzed and ranked before it is verified through an actual engineering case. The results show that the weight of not detecting concentration of harmful gas on time is the largest, which is 0.242 6, followed by improper location of alarm instrument and purchase of inferior protective equipment, which are 0.127 5 and 0.120 2 respectively. Among all man-made unsafe behaviors, failure to detect gas concentration on time makes a major cause of accidents. In terms of unsafe state, improper position of alarm instrument and purchase of inferior protective equipment have a greater impact, which is second only to failure to detect gas concentration on time.

Key words: roadway opening, poisoning and asphyxiation accidents, analytic hierarchy process (AHP), entropy weight method, combination weight, indicator system

CLC Number:

X936

WANG Gang, SHANG Luozhen, LIU Xuelin, TANG Li, CHENG Qian. Study on causes of poisoning and asphyxiation in roadway opening by AHP-entropy weight method[J]. China Safety Science Journal, 2021, 31(7): 187-192.

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