50-80tph ligne de concassage basalte mobile au Venezuela

Research on coal mine safety risk evolution and key hidden

2024年9月4日  The key elements that affect coal mine safety risk accidents are obtained through quantitative research on the characteristic indicators of the complex network model of

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Dual process management of coal miners’ unsafe behaviour in the ...

2019年8月1日  • A tailored JD-R model was developed for coal miners' unsafe behaviour in the Chinese context. • The model was tested and revised employing meta-analysis based on

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Prediction of coal mine risk based on BN-ELM: Gas risk early

Addressing the challenge of integrating quantitative risk data with qualitative behavioral risk information in coal mine safety production, this study, taking gas risk as an example,

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Characteristic Analysis of Unsafe Behavior by Coal Miners: Multi ...

2018年7月29日  As a high-risk occupation, coal mining has many accidents, primarily due to the unsafe behavior of coal miners. Based on the research of analysis of unsafe behavior and

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Research on Simulation and Decision-Making of Coal

2022年9月11日  The behavior risk of workers is one of the main restricting factors in coal mine safety decision-making and management. In this paper, the behavior and decision-making process of individuals and organizations are

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The Effects of Job Demands and Job Resources on

2022年11月1日  To explore the mechanisms of the significant effects of a sense of calling on miners’ unsafe behavior, based on the job demands–resources (JD–R) model and from the perspective of resource-conservation theory, an

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Cognitive Mechanism and Intervention Strategies of Coal Miners ...

This study explored the cognitive mechanism of coal miners’ unsafe behaviors and proposed corresponding intervention strategies. A conceptual model of coal miners’ unsafe behaviors

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Research on the surface subsidence characteristics and prediction ...

2024年10月25日  This study explores the abnormal patterns of surface subsidence caused by coal mining under fault conditions, revealing the characteristics of the effects of faults with

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Analysis of Factors Influencing Miners’ Unsafe

2022年6月16日  Coal mine accidents seriously affect people’s safety and social development, and intelligent mines have improved the production safety environment. However, safety management and miners’ work in intelligent

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Failure characteristics and mechanism of coal under the coupling ...

2023年11月11日  Deep coal is highly susceptible to dynamic disasters such as rock bursts under the influence of mining. Further exploration of the damage mechanism of coal specimens subjected to cyclic disturbance under different stress conditions is necessary. This study conducted cyclic disturbance failure experiments with coal specimens under different

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Negative Effects of Coal Mining - The World Counts

The effects of mining coal on the environment. There are 2 ways to mine coal – Strip Mining and Underground Mining – both ways have their own impact to the environment and health. We know it but coal is such a cheap energy source that we don’t want to let go of it. The negative effects of coal mining cannot be disputed:

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Development of a model to estimate strata behavior during bord

2019年3月26日  Instrumentation and monitoring is undertaken aiming at evaluation of changing values of rock mechanic parameters, namely, dilation, load, convergence, and stress, during mining for a safe strata control. It enables the mining practitioners to anticipate roof fall–related dangers in advance and taking subsequent preventive measures while depillaring. The coal

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Impacts of Coal Use on Health - Annual Reviews

This article reviews evidence for the public health impacts of coal across the extraction, processing, use, and waste disposal continuum. Surface coal mining and processing impose public health risks on residential communities through air and water pollution. Burning coal in power plants emits more nitrogen oxides, sulfur dioxide, particulate matter, and heavy metals

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Experimental investigation on rockburst behavior of the rock-coal

2020年5月5日  Burst induction mechanism of rock-coal-bolt (RCB) system. The stress of the roadway surrounding rock is redistributed with thin coal seam mining, forming a stress-enhancing zone from inside to ...

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Development of a model to estimate strata behavior during bord

2019年4月1日  The study aims to evaluate the pillar behavior during the depillaring operation by continuous miner (CM) technology. A panel with five headings developed as per the coal mine regulation of Indian ...

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Structural equation model of the influence of noise annoyance on

2023年4月1日  While the unsafe behavior (UB) of miners has always been regarded as the most notable cause of frequent coal mine accidents (Wang et al., 2019), the proportion of mechanical equipment used in coal mines has increased, resulting in the formation of complex and variable problems related to the mixed noise underground mining work environment caused by

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Role of Tectonic Coal in Coal and Gas Outburst Behavior During Coal Mining

2019年5月21日  Coal and gas outbursts are small-scale geological disasters controlled by tectonic movement, and tectonic coal is widespread in outburst zones. In this study, we compare tectonic and intact coal specimens to examine the basic properties of tectonic coal. We estimate the different energies and limits of the crushing work ratio of coal from five typical outburst

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Study on the dynamic constitutive model of coal at different

2024年6月10日  2.1 Sample preparation and test scheme. The test coal was taken from the No. 10 mine in the Pingdingshan mining area 24,130 rock protective layer working face (Henan province, China) (Gao et al. 2020).The effective strike length of this working face is 709 m, the inclined width is 157–160.5 m, and the dip angle of the coal seam is 5.9°–13.2°.

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Evaluating Impacts of Coal Mining in South African environment

2019年11月18日  While the 1.5°C and 2°C scenarios anticipate a decrease in total primary energy consumption by 2050, they still maintain a dominant reliance on fossil fuels (particularly coal), accounting for ...

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Mining and biodiversity: key issues and research

2018年12月5日  2. The many ways mining activities impact biodiversity. Mining affects biodiversity at multiple spatial scales (site, landscape, regional and global) through direct (i.e. mineral extraction) and indirect processes (via

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Frontiers The Impacts of Workplace Environment on

2022年6月15日  1 College of Safety Science and Engineering, Xi’an University of Science and Technology, Xi’an, China; 2 Department of Neurosurgery and Institute for Functional Brain Disorders, Tangdu Hospital, Fourth Military

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Global evolutional trend of safety in coal mining industry: a ...

2023年4月1日  Mining safety is recognized as one of the factors influencing the mining industry’s long-term viability. Therefore, we did a bibliometric analysis to take stock of safety management in the coal mining industry. This study suggests a three-step strategy, comprising literature extraction and screening, bibliometric analysis, and discussion, to provide an in

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Coal Mining Dangers – Solutions to the Dangers of Coal Mining

2010年8月23日  3 Coal Mining Safety Problems—And How to Fix Them. Here's how to improve the odds for coal mining's industrial safety record. By Christopher Maag Published: Aug 23, 2010 2:00 AM EDT.

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Frontiers Mining Employees Safety and the Application of

2021年8月17日  Introduction. Coal mining is one of the most dangerous industries in the world. Human factors such as intentional violation, mismanagement, and defective design cause coal mining accidents ().The functional climate of the coal mining presents many hazards to personnel, including the proximity to machinery, hydraulic and electrical power, roof falls, and

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Research on the impact of coal miners’ workload on unsafe

Workload is one of the reasons that affect unsafe behavior in coal mines. This article divides workload into six dimensions: physical demand, mental demand, time demand, performance level, effort ...

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Coal explained Coal and the environment - U.S. Energy

2024年4月17日  Land that was previously used for coal mining can be reclaimed and used for airports, landfills, and golf courses. Waste products captured by scrubbers can be used to produce products such as cement and synthetic gypsum for wallboard. Last updated: April 17, 2024. Also in Coal explained;

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The Impacts of Workplace Environment on Coal Miners’ Emotion

2022年6月16日  Here, we construct a coal mine environment biological simulation (CEBS) model to study the possible impact of coal mine workplace environment on psychology according to the real coal mine workplace environment factors (temperature, humidity, light, noise, etc.) and apply animal behavioral tests to assess how emotions change in response to coal mining

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Study on the Influencing Factors of Miners’ Unsafe Behavior

2019年11月7日  Introduction. Research on the unsafe behavior of miners at home and abroad has taken place for more than 70 years. However, studies in recent years have shown that more than 94.09% of mine accidents were attributed to human factors, of which intentional violation, mismanagement and defective design accounted for 35.43, 55.12, 3.54% of cases,

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Stress Evolution of Repeated Mining Based on the Double-Yield

2024年1月11日  Thus, it is necessary to explore the stress evolution of repeated mining in multiple coal seam to guide the layout of the roadway and panels in the adjacent coal seams to minimize the impact of stress and provides a reference for multiple coal seam mining. 6.2 Numerical Model and Simulation Plan. 1. Numerical Model Setup

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