Underground Mining Explosions

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Explosions in Underground Coal Mines: Risk

网页This book addresses the hazard of gas explosions in sealed underground coal mines, and how the risk of explosion can be assessed, modeled, and mitigated. With this text, coal mine operators and managers will be able

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Underground Explosions an overview ScienceDirect Topics

网页Small explosions are used for mining, quarrying, road excavating, and other construction applications, as well as in natural resource exploration and active-source seismic

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(PDF) Explosions in Underground Coal Mines

网页2018年1月1日  Explosions are one of the most significant causes of death in the coal mining industry (Cheng 2018) and Ray et al., 2022), and as of

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Moving towards deep underground mineral resources:

网页2023年1月1日  Underground mining also produces the least amount of waste per annum (ca. 85 Mt; overall production) compared to that of open pit mining and methane and

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Challenges and new insights for exploitation of deep underground metal

网页2021年11月1日  The current global status of deep mining of metal mineral resources was presented, a series of engineering challenges faced by deep mining were systematically

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Underground mine gas explosion accidents and prevention

网页2021年1月1日  Abstract. Mine gas explosions present a serious safety threat in the worldwide coal mining industry. it has been considered the no.1 killer for underground

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Effects of underground explosions on soil and structures

网页2020年12月1日  For underground explosions, the crater formation mechanism is altered by gravitational effects. When the depth of the detonation increases, larger amounts of

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Importance and Characteristics of Underground Mine Gas Explosions

网页2018年3月24日  Mine gas explosions present a serious safety threat in the worldwide coal mining industry. This chapter summaries the mine gas explosion accidents since the

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Underground Explosions an overview ScienceDirect Topics

网页2010年11月19日  Other underground nuclear explosions were carried out underground at various test sites or on the surface, but with the purpose of applying the technology of

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Explosion risk assessment model for underground mine

网页2016年12月14日  In the coal mining industry, explosions or mine fires present the most hazardous safety threats for coal miners or mine rescue members. Hence, the

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Explosives Used in Mining: Properties, Types, Transport,

网页2023年7月24日  In this article we will discuss about the explosives used in mining:- 1. Introduction to Explosives 2. Properties of Explosives 3. Transport and Storage 4. Destruction and 5. Types of Explosives. Introduction to Explosives used in Mining: Explosives are used in underground mines and quarries to break coal and other rocks.

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Risk analysis, regulation proposal and technical guide for

网页2022年5月19日  The use of hydrogen in underground mining conveys a series of advantages to the mining environment, Although F 2 represents the probability of a potential incident, historically, they are the main causes of fires and explosions, therefore a high value is of this factor can be associated with an increase in the probability of an

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Challenges and new insights for exploitation of deep underground metal

网页2021年11月1日  The current global status of deep mining of metal mineral resources was presented, a series of engineering challenges faced by deep mining were systematically analyzed, and some progress and future innovation focus in key engineering technologies, such as the prediction and prevention of rockburst, cooling techniques, rock support

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A risk assessment method to quantitatively investigate the methane

网页2017年4月1日  A statistic study indicated that 18 out of 26 extra-large coal mine accidents during 1949–2009 in China were caused or partly caused by gas explosions (Wang et al., 2014a, Wu et al., 2011). Flammable limit of methane is 5.0–15.0 vol.% in the air with a minimal ignition temperature of 540 °C (Eckhoff, 2005).

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Damages of Underground Facilities in Coal Mines due to Gas

网页With coal mining depth increase, gas explosion accidents due to the high gas emission rates often occur which cause significant casualties and property damages. Among them, gas explosion shock waves not only can destroy the machines and equipment in mine roadways but also cause the failure of mine ventilation facilities resulting in secondary hazards.

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CDC Mining Topic Spontaneous Combustion NIOSH

网页2022年8月9日  Approximately 15% of the 164 total reported fires for underground coal mines for the period 1978–1990 were caused by spontaneous combustion. For the period 1990–2006, more than 20 U.S. coal mines suffered underground spontaneous combustion events, and 25 total reported fires for underground coal mines were caused by

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(PDF) Explosions in Underground Coal Mines ResearchGate

网页2018年1月1日  Explosions are one of the most significant causes of death in the coal mining industry (Cheng 2018) and Ray et al., 2022), and as of 2006, 89.52% of the fatalities caused by explosions occurred in

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Evaluation on Underground Refuge Alternatives and

网页2022年9月24日  Underground mining environments bring occupational health and safety issues with some severe dangers such as mine disasters like explosions. During such events, miners might escape using main access openings, or find a safe haven like refuge alternatives (RAs) to wait and be rescued and evacuated to the surface. In this ,

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CHARACTERIZATION OF MINING EXPLOSIONS AT

网页2002年12月31日  Surface and Underground Mining Explosions [17] There are many different types of explosions used by the mining industry [Borg et al., 1987; Langefors and Kihlström, 1978; Persson et al., 1994; Dowding, 1985]. Mining explosions that utilize the largest amount of explosives per blast are those associated with surface coal mining and

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Fire Special Issue : Mine Fires and Explosions MDPI

网页2023年1月31日  Mechanisms of mine fires and explosions and behavior modeling; Underground mining, including underground coal mining, is accompanied by accidents and fire hazards that pose a threat to the life safety of miners. The fire hazard increases with an increase in the mining depth. Currently, most accidents in coal mines are mine fires.

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Effect of flexible obstacles on gas explosion characteristic in

网页2021年5月1日  Gas (CH 4) explosions in underground coal mine have caused lots of casualties and property losses during the coal mining process (Wang et al., 2018; Zhang et al., 2018), which have become a significant threat to the safety of coal mine production. The characteristics of gas explosion in underground coal mine are influenced by many factors

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CDC Mining Feature Coal Mine Explosion

网页2016年10月26日  Underground coal mining produces finely divided coal dust that deposits throughout the mine and serves as a source of combustible material for coal dust explosions. Limestone powder, known

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Importance and Characteristics of Underground Mine Gas Explosions

网页2018年3月24日  Mine gas explosions present a serious safety threat in the worldwide coal mining industry. This chapter summaries the mine gas explosion accidents since the beginning of mining. It can be seen that most of disasters were resulted from mine gas and coal dust explosions. In the U.S., 420 gas explosion disasters were responsible for

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Investigation on propagation mechanism of large scale mine gas explosions

网页2017年9月1日  Wang (2012) did the experimental study on flame propagation of gas explosion in mines of 3 m × 3 m × 200 m. They found the flame propagation speed increases first and then decreases with the distance increase from explosion source. Although, series of studies have been done on the flame propagation in coal mine, the

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Statistical analysis of methane explosions in Turkey’s underground

网页2020年7月14日  Underground coal mining is accepted as one of the most dangerous workplaces in the world which has high risks by their nature contain. The reason for this is that the presence of methane is a naturally immutable fact in most underground coal mines. Therefore, besides working under high risky conditions, struggling with nature in

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Surface and Buried Explosions: An Explorative Review with

网页2021年1月27日  Most common applications of explosive include fragmentation of geo-material to extract minerals in open-cast and deep underground mining, large earth excavation for construction of railroads, dam, canal and harbours etc., and controlled demolition of abandoned buildings. Luccioni B (2019) Effects of underground

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Underground Explosions an overview ScienceDirect Topics

网页2010年11月19日  Other underground nuclear explosions were carried out underground at various test sites or on the surface, but with the purpose of applying the technology of nuclear explosions for peaceful solutions of a variety of technical problems (Mikhailov, 2001; Logachev et al., 2001).In the Soviet Union from 1961 to 1987, in accordance with

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We Need To Talk About Mining: Death, Dangers

网页The most common gas to cause underground mine explosions is methane. Methane is a colourless, odourless, highly flammable, and highly explosive noxious gas that occurs naturally and gets trapped in coal layers. Methane becomes combustible at levels between 5% and 14% in the air. All it takes is a naked flame or a spark from a machine to cause

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