method of expolsion in mines

On the Fire

On the Fire-Damp of Coal Mines, and on Methods of Lighting the Mines So as to Prevent Its Explosion Author(s): H Davy Source: Philosophical Transactions of ,...

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Prevention of fires in underground mines

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...

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Explosives

Explosives - Mining Types , In one underground mining method, the coal is blasted off the bed without any undercutting to help break it down , A third type of explosion used in the mining ....

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ON EXPLOSIVE MINE GASES AND DUSTS

ON EXPLOSIVE MINE GASES AND DUSTS WITH SPECIAL REFERENCE TO EXPLOSIONS IN THE MONONGAH, DARK, AND NAOMI COAL MINES , mine explosion yet recorded in the annals of American mining The , GASES FOUND IN THE MINES METHODS ,...

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Gigantic Underground Mines

There were various mines planted under trenches, then detonated to send part of the trench, and anyone in it, sky high Some of these mines were felt as far away as Switzerland Lochnagar Crater in the Picardie area of France is the most recognizable example of this method...

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Drilling and blasting

Drilling and blasting is the controlled use of explosives and other methods such as gas pressure blasting pyrotechnics, to break rock for excavation It is practiced most often in mining, quarrying and civil engineering such as dam, tunnel or road construction The result of ,...

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Ventilation Control of Coal Dust in Mines 1980 MSHA

Feb 17, 2009· Ventilation Control of Coal Dust in Mines 1980 MSHA , This handbook describes effective methods for the control of mineral dusts in mines and tunnels for different kinds of mines and mining ....

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Prevention of fires and explosions

Mining methods used are still primitive after so many years about 50 years ago 34 people were killed in Sore Range coal mines owned by PIDC Inspectorate of mines need to be proactive for ....

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Naval mine

A naval mine is a self-contained explosive device placed in water to damage or destroy surface ships or submarinUnlike depth charges, mines are deposited and left to wait until they are triggered by the approach of, or contact with, any vesselNaval mines can be used offensively, to hamper enemy shipping movements or lock vessels into a harbour; or defensively, to protect friendly vessels ....

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Drilling and blasting

Drilling and blasting is the controlled use of explosives and other methods such as gas pressure blasting pyrotechnics, to break rock for excavation It is practiced most often in mining, quarrying and civil engineering such as dam, tunnel or road construction The result of rock blasting is often known as a rock cut...

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