mine drilling, blasting and detonation

Surface Blasting Safety Procedures - CORESafety

Committed to Excellence in Mining Safety ... the blasting area during detonation and subsequent inspection until the .... Mine/Drill and Blast General Foreman.

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terminology - nps

AIR BLAST - An airborne shock wave resulting from the detonation of explosives. ... BENCH - The horizontal ledge in a quarry or mine face, or in a road or trail cut, .... Includes the practice of drilling blasting holes (tunnels) horizontally into rock.

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Sympathetic detonation

A sympathetic detonation (SD, or SYDET), also called flash over, is a detonation, usually ... A sympathetic detonation during mine blasting may influence the seismic ... Rock Blasting Terms and Symb...

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Glossary - J. Roy''s Inc. - For All Your Drilling & Blasting Needs

Bench, The horizontal ledge in an excavation or mining operation along which holes are drilled vertically. ... Cutoff, A portion of a blast which fails to detonate.

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USAGE OF EMULSION EXPLOSIVES ON SURFACE MINE ...

drilling, blasting, environmental protection and the safety while using them. ... Bulk emulsion explosives detonate with a higher VOD than Ammonium nitrate.

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Drilling and Blasting - Mining Technology

Find Drilling and Blasting products, suppliers, manufacturers and exporters. ... Rock Drills, Surface Drilling Equipment for Mines...

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Explosives and Blasting Procedures Manual - Office of Surface ...

Reclamation and Enforcement. Kenneth K. Eltschlager. Mining/Blasting Engineer .... Detonation velocity ... .. .. .. .. ... .. .. .. .... ... .. .......... ............ 14 ... Cost of drilling.

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Evidences of the influence of the detonation sequence in rock ...

Drilling and blasting are fundamental operations in the mining cycle and consti tute an important component of the mining costs. Rock fragmentation can in...

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Mine Blasting & Explosives Technology, and Safety Regulations ...

In virtually all forms of mining, rock is broken by drilling and blasting the rock. ... as miners try to shoot explosives that failed to detonate in the original blast.

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