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What's New in Drilling and Blasting

Published Friday, January 01, 1999

Drilling and blasting generally is recognized as the most cost-efficient way to crush rock. However, efforts to contain costs and increase production, to meet tighter aggregate specifications, to reduce production of both fines and oversize, and to appease quarry neighbors adds complexity to drilling and blasting operations. Fortunately, technology continues to move the process from an art to a science. Computers and micro-electronics have profoundly improved the design and use of drills, drill tools, blast-initiation products, explosives and seismographs. Following is a review of some of the latest drilling and blasting technology. Not all of it has been ...

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