Research On The Influence Mechanism Of Thermal And Humidity Environment On Miners’ Safety Behavior Ability

Deep mineral resources mining is the future development direction of mining enterprises as well as an excellent way to improve the efficiency of mineral resources utilization.Along with the deepening of underground mining,the number of high temperature mines are growing.Underground hot and high humidity hazards have become a major mine disaster and is an urgent and important issue that needs to be addressed by deep shaft mining companies in China today.Based on subjective investigation and objective experimental research,this thesis analyzes the changes of physiological,psychological and safety ability indicators of miners and constructs a mechanism model of the influence of hot and high humidity environment on miners’ safety behavior ability.The main studies are as follows:(1)Construct a conceptual model of miners’ safe behavioral capacity in hot and humid environments.Firstly,through an in-depth analysis of domestic and international literature and high temperature mine accidents,the main indicators affecting miners’ safe behavioral ability are acquired,including physiology,psychology,safety awareness and safety ability;secondly,an indicator system for miners’ safe behavioral ability is structured,and then hypotheses are presented and a conceptual model of the impact of hot and humid environment on miners’ safe behavioral ability is constructed to provide direction for the subsequent subjective investigation and objective experimental research.(2)Research on the subjective investigation of miners’ safety behavior ability in hot and humid environment.The questionnaire was designed based on the more mature safety behavior questionnaire at both domestic and overseas,combined with the operating environment of high-temperature mines and miners’ own characteristics.A formal questionnaire of 252 copies was collected and 224 valid questionnaires were returned.SPSS26.0 software was used to analyze the trend of psychological indicators of miners under hot and humid environment.The results show that heat and humidity sensation and fatigue are affected by both temperature and humidity,and with the increase of temperature and humidity,heat and humidity sensation becomes more and more obvious,fatigue increases and fatigue symptoms appear more and more;while safety awareness is less affected by the hot and humid environment,showing a gradual decrease with the increase of temperature and humidity.This is mainly related to the mastery of knowledge and skills and the degree of education.(3)Study of objective experiments on miners’ ability to behave safely in hot and humid environments.Four different working conditions were set up according to the temperature,and the physiological and safety ability indicators were measured on the subjects.When the ambient temperature is below 29℃ and the relative humidity is less than 70%,the physiological indicators are normal and the reaction and attentional abilities are maintained at a high level;When the ambient temperature is above 38℃ and the relative humidity is above80%,the physiological indicators appear abnormal,and the ability to be safe is reduced.(4)An empirical study of miners’ safety behavioral ability in high temperature and high humidity environments.Firstly,the comprehensive indicators of miners were analyzed and a strong correlation was found among the indicators;secondly,the regression equation of hot and humid environment on miners’ physiological,psychological and safety capacity indicators was set,and then the mechanism model of the influence of hot and humid environment on miners’ safety behavior capacity was constructed.Finally,based on the results of the analysis,suggestions are made for safety protection measures in high temperature mines in terms of improving the hard environment and building a good soft environment.The thesis reveals the influence mechanism of miners’ safety behavior ability under hot and humid environment,which helps to reduce the impact of hot and humid environments on miners’ ability to behave safely,and has a positive contribution to improving the management of underground safety production.