Multiple blast-hole stresses and measured fragmentation |
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| Authors: | Charles H Dowding Catherine T Aimone |
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| Institution: | (1) Northwestern University, Evanston, Illinois, U. S. A.;(2) Institute of Mining and Technology, Socorro, New Mexico, U. S. A. |
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| Abstract: | A wave superposition code was developed to calculate stresses explosivley induced by long, multiple blast holes within a three dimensional rock mass. Computed stresses were found to correlate with measured fragmentation from fourteen cases in coal cyclotherm geology when actual, rather than planned, initiation times were modelled. |
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