2019930· Purpose. Development of a new method for calculation of drilling-and-blasting operations parameters during underground mining with …
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71· Frequent mine gas explosion accidents in recent years have caused catastrophic casualties and economic loss in China. In this paper, based on expert knowledge with treatment by the Delphi method to determine conditional probabilities, a Bayesian network (BN) has been developed to investigate the factors influencing mine gas explosion accidents.
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20161026· Preventing coal mine explosions requires a suite of control strategies and NIOSH continues to conduct research to develop more effective intervention measures.
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111· In this article, FFTA is applied to the analysis of coal dust and gas explosion accidents, which converts expert scoring for each basic event using an imprecise probability into fuzzy numbers, and estimates the probability of a coal dust or gas explosion accident occurring by applying the method of trapezoidal fuzzy numbers.
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20241026· Previous studies on mine gas explosion mainly used experimental and numerical simulation methods to study the propagation characteristics of gas explosion in small tunnels or pipelines.
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2013111· This method takes into account the main factors involving an explosion, assessing their probabilities, and at the same time provides a simplified method to detect hazardous scenarios so that risk reduction measures can be rapidly associated to real situations in underground coal mining.
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2025514· The design of gas explosion rescue equipment is crucial to ensure the safety of miners while also enhancing the emergency response capabilities of safety personnel in Chinese coal mines. This
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2025514· The design of gas explosion rescue equipment is crucial to ensure the safety of miners while also enhancing the emergency response capabilities of safety personnel in Chinese coal mines. This
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21· The purpose of this study is to analyse the interrelationships and potential behavior patterns among unsafe acts in coal mine gas explosion accidents from the perspective of network modelling and to propose a modelling method for …
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2013111· Abstract The key objective of this paper is the presentation of a new risk assessment tool for underground coal mines based on a simplified semi-quantitative …
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2013111· This method takes into account the main factors involving an explosion, assessing their probabilities, and at the same time provides a simplified method to detect hazardous scenarios so that risk reduction measures can be rapidly associated to real situations in underground coal mining.
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In addition, the grading of minerals mined at coal and shale mines improve. Use of charges with air gaps is practiced at more than 100 enterprises mining ore, coal and non-metallic deposits by open cast or underground method with high productivity (3,4,5,).
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91· An example study was conducted on a mine of a large state-owned coal mine enterprise in Shaanxi Province, China. The results show that the method helps coal mine enterprises to accurately assess gas explosion risks, identify weak links in risk prevention and control, and provide a powerful means for continuous improvement of risk management level.
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However, American standards only mandate the first 3 of these 4 methods. It is possible that US coal mine safety measures could benefit from the implementation of the 4th method, the use of explosion barriers.
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201111· The HS mine active suppression system, derived from military technology and based on intelligent high speed activation can provide an effective and practical method to eliminate the devastating effects of a gas/coal explosion in a mining operation. This is a major breakthrough in gas/coal dust explosions prevention technology.
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This method of rock blasting is applied in open cast and underground mines working the hardest and viscous, hard, medium hard and soft rocks (ore, quartzites, granites, limestones, sandstones, coals, etc.) as well as at enterprises for extraction of building materials and raw chemical minerals of any strength.
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2013111· This method takes into account the main factors involving an explosion, assessing their probabilities, and at the same time provides a simplified method to detect hazardous scenarios so that risk reduction measures can be rapidly associated to real situations in underground coal mining.
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2019930· Purpose. Development of a new method for calculation of drilling-and-blasting operations parameters during underground mining with …
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Calculation methods for blasting and explosion operations is a topical issue in mining industry as they allow to improve characteristics of excavation works …
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21· Method Of Expolsion In Mines crittografia eu 2024 12 2 position of coal mines in a carbon‐constrained world • Principles‐based and not a technical manual 4 Explosive mixtures …
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1212· Gas explosion is one of the most deadly hazards in underground coal mining. Risk assessment has played an effective role in avoiding gas explosions and revising coal mine regulations. However, the traditional methods are deficient in quantitative evaluation, dynamic control and dealing with uncertainty. In this paper, a method of quantitative assessment the …
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2019930· Purpose. Development of a new method for calculation of drilling-and-blasting operations parameters during underground mining with …
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121· Among all kinds of coal production disasters, the consequences of gas disaster are the most serious. As the existing coal mine gas explosion …
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The grid spacing for numerical simulation of mine gas explosion is determined to be 0.1 m and the time step length is determined to be 0.001 s. (2) The ignition …
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19701116· In addition, the grading of minerals mined at coal and shale mines improve. Use of charges with air gaps is practiced at more than 100 enterprises mining ore, coal and …
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This method of rock blasting is applied in open cast and underground mines working the hardest and viscous, hard, medium hard and soft rocks (ore, quartzites, granites, limestones, sandstones, coals, etc.) as well as at enterprises for extraction of building materials and raw chemical minerals of any strength.
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91· An example study was conducted on a mine of a large state-owned coal mine enterprise in Shaanxi Province, China. The results show that the method helps coal mine enterprises to accurately assess gas explosion risks, identify weak links in risk prevention and control, and provide a powerful means for continuous improvement of risk management level.
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