Method of breaking slabs and blocks of rock from rock formations and explosive shock transmitting and moderating composition for use therein
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United States of America Patent
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Sep 22, 1998
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N/A
app pub date -
Jan 10, 1997
filing date -
Jan 10, 1997
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Expired
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Abstract
Rock slabs or pieces are broken from larger rocks or from rock formations with reduced cracking of the broken rock slabs or pieces by drilling bore holes along the desired break lines, placing detonating cord into the bore holes, filling the bore holes with a shock transmitting and moderating composition, and detonating the detonation cord. The shock transmitting and moderating composition is preferably a gel with shock absorbing material such as microspheres suspended therein.
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