small portable rock explosives

Micro Blaster - Rock and Concrete Breaking System - Northtown Co.

Micro-Blasterâ„¢ -- Rock Removal System -- Easy to use. ... A 25-foot lanyard or hose remotely actuates the small explosion. ... source of compressed air or CO2 (minimum 75 psi, 7 gallon portable air tank recommended) to trigger their systems.

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05672338 - FS Publications - Publications - Recreational Trails ...

Apr 14, 2014 ... Figure 3--The size of the hole in the rock is important. ... using expanding gases from a cartridge containing a small explosive charge. ... just 9 inches deep into the rock, allowing portable rotary hammer drills to do the job.

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Boulder Buster: Solution for Breaking Rock, Boulders & Concrete

... better solution for breaking rock, boulders and concrete without using explosives. ... The Boulder BusterTM is a compact, cost effective and portable piece of...

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RocBurst LLC - Home

Engineered non-explosive rock (fragmentation) breaking technology and ... Compact and portable the Magnum Busterâ„¢ (Boulder Buster) is an ideal tool for...

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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. ... and fire a small charge in this hole, which is usually stemmed with quarry fines."...

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Small steps: safety and efficiency in mining explosives - Mining ...

Aug 24, 2011 ... Small steps: safety and efficiency in mining explosives ... Explosives are a vital part of many mining operations; the ability to break up hard rock makes the task of ... We also use portable gas testers to test the air as needed.

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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.

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Explosives and Mining - Oregon Gold

That is why for many mining operations, large or small, blasting makes sense. ... For explosives to work, the material needs to be loaded in the rock. ... These air drills are powered by a portable air compressor and can easily cut a 1.5 inch...

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terminology - nps

BLAST - The operation of rending (breaking) rock by means of explosives. ... drilled into a boulder to allow the placement of a small charge of explosives to break ..... MAGAZINE - Any building or portable structure used to store explosives and...

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Blasting - Encyclopedia - Theodora

Before the introduction of explosives, rock was laboriously excavated by ..... It may be generated by a small, portable dynamo, operated by hand, or may be...

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