Rational Parameters of Blasting, Considering Action Time of Explosion-Generated Pulse
T. KABETENOV, KH. A. YUSUPOV, S. T. RUSTEMOV
Kazakh National Technical University after Satpaev, ul. Satpaeva 22, Almaty, 050013 Republic of Kazakhstan
Keywords: blasting, breakage, explosion, borehole and shot hole diameters, borehole and shot hole blasting
Abstract
The developed pattern of calculation for the parameters of drilling and blasting in boreholes and shot holes is based on a charge design with reduced amount of explosive at the top. The calculation takes into account the action time of the explosion-generated pulse conditioned by outflow of detonation product gases. The authors have derived relations for such rational parameters of drilling and blasting that minimize costs for drilling at the same quality of rock fragmentation.
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