You are using an outdated browser. For a faster, safer browsing experience, upgrade for free today.

CDC

Mining Publication: Reducing the Fire and Explosion Hazards of Flame-Cutting and Welding in Underground Coal Mines. Flame cutting and welding is one of the major causes of fires and explosions in underground U.S. coal mines. On May 20, 2006, a …

What Are the Common Causes of Mining Fatalities?

While many mining fatalities occur because of a variety of explosions, falling machinery is often another cause. Ground stability can never really be guaranteed and that means it is possible for machinery being used to slip and fall. This could fatally wound the …

The prevention and control of fire and explosion in mines

2019-12-5 · require mine owners to set down in writing operating rules on a number of issues, including both mine fires and frictional ignitions of flammable gas and to notify the HSE of them. • Regulation 19 of The Electricity at Work Regulations 1989 requires the identification of

CDC

CDC - Mining Topic - Explosion Prevention - NIOSH

QGN 11 Handling Explosives In Underground Mines

2019-4-8 · Underground mining operations should consider their site circumstances and rely upon their own training and experience when assessing safety standards and risk management procedures. This Guidance Note is aimed to promote consistency of best practice in safety and health in …

UNDERGROUND MINING

behind explosions of hybrid mixtures of coal-dust and methane. The findings will determine which countermeasures might be ... underground mining. Australian companies have led the way in the application of new blasting techniques and technologies, including

(PDF) Explosions in Underground Coal Mines

2021-10-31 · Abstract. 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 ...

Explosions in Underground Coal Mines | SpringerLink

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 to identify the risks that lead to underground mine gas explosions, and implement practical strategies to optimize mining safety ...

Mine Explosions

 · Since the inception of underground coal mining, the release of methane from coal beds ("coal gas") has been a hazard to mining safety. When methane combines with air, it forms a combustible mixture which has been the cause of countless mine explosions. In response to this hazard, considerable investment has been directed toward disposing of ...

Mining Automatic Explosion Suppression Systems | …

Active explosion suppression barriers have clear advantages in modern mining operations (Spaeth and Belle, 2018). These barriers can be adopted to optimally react on an event such as a methane gas or coal dust explosions. Considering the successful testing done at Kloppersbos (van Dyk 2005) and that six methane gas explosions have been ...

What is Underground Mining? (with pictures)

Mary McMahon Entrance to a coal mine. Underground mining is a technique used to access ores and valuable minerals in the ground by digging into the ground to extract them. This is in contrast with techniques like open pit mining, in which the surface …

Identification of mine collapses, explosions and ...

1999-7-23 · Phase I: underground explosions, Nevada Test Site}, author = {Foxall, W and Vincent, P and Walter, W}, abstractNote = {We have previously presented simple elastic deformation modeling results for three classes of seismic events of concern in monitoring the CTBT--underground explosions, mine collapses and earthquakes. Those results explored the ...

CHARACTERIZATION OF MINING EXPLOSIONS AT …

2002-12-31 · 3.1. 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 open ...

Underground Mining – Coaltech Research Association

Update of Coal Pillar Data Base, Strength Formula and Probability of Failure for South African Coal Mining. Towards the Failure Probability of Coal Pillars: a Review of Intact and Failed Cases in South Africa. Review of Current and Expected Underground Coal Mining Methods and an Evaluation of the Best Practices Associated with These.

Read Download Explosions In Underground Coal Mines …

2018-3-23 · DOWNLOAD NOW ». "Mine explosions remain a threat to underground coal miners, requiring constant vigilance to prevent accumulations of combustible gasses and dusts and to limit sources of ignition. Accumulations of combustible dust in coal mines create the risk of large-scale explosions that can result in multiple deaths and traumatic injuries.

Prevention of fires in underground mines

2021-11-9 · The prevention of fires is a priority for underground mines as they can lead to entrapment, smoke inhalation, serious or fatal burns, asphyxiation and other serious consequences such as explosions. All underground mines should have a documented underground fire risk assessment that is current and specific

Three Underground Coal Mine Explosions â•fl Twenty …

2020-11-4 · Three Underground Coal Mine Explosions -Twenty Miners Killed -One Reason Andrzej M. Wala and Jason R. Stoltz Department of Mining Engineering University of Kentucky ABS1RACT Three mine explosions which occurred in the 1980s (1983 -McClure No. 1 Mine, Virginia; 1984 …

(PDF) Explosions in Underground Coal Mines

2021-10-31 · Abstract. This book addresses the hazard of gas explosions in sealed underground coal mines, and how the risk of explosion can be assessed, modeled, …

A closer look at eight of the worst coal mining disasters ...

2019-11-14 · The accident took place at the second mine shaft of the Wankie Colliery, with multiple explosions in the underground coal mine acting as the primary cause. Most of the deaths occurred underground due to methane and carbon monoxide fumes. …

Arresting underground tunnel explosions—a …

2013-9-5 · Abstract. Traditional methods of arresting underground mine explosions have employed water and/or stone-dust barriers. The first barriers used in underground coal mines operated passively, using the blast wave as the mechanism for discharging the inert material into the path of the flame front.

Gigantic Underground Mines

2018-3-28 · When the explosions took place more than a million pounds of explosives were backed into the underground chambers along seven miles dug by the miners in an attack that killed 6,000 German troops. The bang was heard as far away as Downing …

Australia opens independent underground mine …

2020-9-10 · The independent underground mine explosives facility is the only one of its kind in Australia, and aims to enhance the number of explosives that are suitable for underground coal mine operations. The facility is part of the State''s plans to become a …

ANALYSIS OF UNDERGROUND COAL MINE STRUCTURES …

2020-10-13 · Underground coal mine explosions pose a significant threat to infrastructure such as mine seals and refuge alternative chambers. After a mine seal failed in the Sago mine disaster, which took the life of 12 miners, design requirements were reexamined and improved. However, most research being completed on the analysis of mine structures during

Common Accidents & Injuries in Underground Mining | …

Methane and coal dust explosions can trap miners underground. They''re also responsible for some of the largest mining disasters in history, such as the Benxihu Colliery explosion in China, which killed more than 1,500 miners in 1942, and the Courrières disaster in …

Local Monitoring of Underground Mining Explosions ...

2018-5-1 · Seismoacoustic Monitoring of Underground Explosions at Redmond Salt Mine Utah. Abstract not provided. Analysis, comparison, and modeling of radar interferometry, date of surface deformation signals associated with underground explosions, mine collapses and earthquakes. Phase I: underground explosions, Nevada Test Site.

How Underground Mining Works | HowStuffWorks

Explosions, too, trigger casualties when ventilation systems fail to effectively remove exhaust from mining equipment, coal dust and natural underground gas leaks. Blasting can ignite those gases, leading to deaths from both the explosions themselves and the subsequent collapse of mine structures; a methane-gas explosion killed those 29 miners ...

EXPLOSION PROOF STOPPINGS (OR SEALS) IN …

2016-1-6 · potential explosions in disused/abandoned old working areas and in enhancing prevention of explosions when promptly sealing off underground fires. Prudent planning and diligent preparatory effort in the mine can also ensure that in an emergency situation, prompt erection of explosion proof stoppings can be done within a single shift (in fresh air

CDC

 · The NIOSH Mining Program conducts research to identify and then mitigate the causes of underground coal mine explosions. Research strategies include eliminating ignition sources, minimizing methane concentrations and coal dust accumulations, …

Gigantic Underground Mines

2018-3-28 · When the explosions took place more than a million pounds of explosives were backed into the underground chambers along seven miles dug by the miners in …

Environment Impact Assessment of Coal Mining

2013-11-13 · Mine fires Try to extinguish the new fires and try to isolate existing fires. Try to take a scientific approach to mining practices and give due consideration to proposed fire prevention plans. Carry out monitoring using new scientific techniques. Risk of explosions in underground mines can be managed by good