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Blast Characteristics of 20 and 100 Ton Hemispherical AN/FO Charges
NAVAL ORDNANCE LAB WHITE OAK MD
Two twenty-ton and one 100-ton hemispherical ANFO ammonium nitrate fuel oil charges were detonated on the surface at the Defence Research Establishment, Suffield, Ralston, Alberta, Canada. The major results were 1 ANFO has been demonstrated to be a highly suitable explosion source for nuclear airblast simulation 2 Over the 1-200 psi region, there was no significant difference in the pressure-distance characteristics between ANFO and TNT 3 The impulse characteristics of the ANFO system were found to be slightly lower than those of TNT 4 No self heating of ANFO was observed 5 Conventional cube root scaling applies for ANFO over a 1000 range in explosive weight, once a charge weight of 200 pounds is exceeded.
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