Analysis of the Interaction Mechanism of the Risk Factors of Gas Explosions in Chinese Underground Coal Mines

Fuzzy multi-criteria decision-making framework for controlling methane explosions in coal mines

The structure of underground coal mines is vulnerable to many mishaps because of the challenging conditions of production and the unique features of the earth. These incidents could cause significant financial and production losses for the mines in addition to worker injury, disability, or death. In coal mines, methane explosions are a frequent threat. Establishing a safe work environment requires managing these problems with an accident control method. The current study used the fuzzy TOPSIS and fuzzy AHP techniques for this aim. The framework was used to tackle the four-alternative problem of underground coal mine explosion control method selection. To identify potential risks of a methane explosion, a data gathering survey was conducted as part of the suggested hybrid methodology. The fuzzy AHP was used to compute the fuzzy weights of the hazards. "Improper ventilation system" is ranked highest out of the 34 sub-risk factors. The fuzzy TOPSIS was then utilized to rank the explosion control methods using the weights. To assess the viability of the study's conclusions, a sensitivity analysis was carried out. The findings indicate that "improving safety technology" and "financial investments" are the best ways to reduce such events. The results additionally indicate that the fuzzy TOPSIS approach in combination with the fuzzy AHP provides a helpful framework for dynamically assessing mine methane explosion accidents.

The Influence of Leader Bottom-Line Mentality on Miners' Safety Behavior: A Moderated Parallel Mediation Model Based on the Dual-System Theory

As a high-risk industry that is always struggling with unsafe factors, coal mine enterprises must prioritize safety in their operation and management, but there are still some short-sighted coal mine managers who choose to leave safety behind in the desperate pursuit of financial benefits, resulting in coal mine accidents from time to time. Unfortunately, this leadership style, known as leader bottom-line mentality, has not yet received sufficient attention in the safety field. Based on dual-system theory, this study aimed to explore the mediating role of emotional exhaustion and safety consciousness between leader bottom-line mentality and miners' safety behavior, as well as the moderating role of Chinese traditionality. Using a sample of 422 frontline miners in China, the results of the data analysis showed that emotional exhaustion and safety consciousness played parallel mediating roles between leader bottom-line mentality and miners' safety behavior, and Chinese traditionality moderated the effect of leader bottom-line mentality: the higher the Chinese traditionality, the weaker the mediating effect of emotional exhaustion and the stronger the mediating effect of safety consciousness. Present research explains the mechanisms and boundaries of the influence of leader bottom-line mentality on miners' safety behavior, contributing to the emerging literature on safety management and bottom-line mentality.