MEANS OF INITIATION AND VELOCITY OF DETONATION OF ANFO EXPLOSIVES

摘要

Laboratory testing of detonation properties cannot performed in advance, for the explosives mixed on the field of use. VOD velocity of detonation, measured in blast hole is cheap and simple method that ensure determination of explosive properties, in situ. Tests are performed on explosive charge of ANFO and heavy ANFO explosives initiated with appropriate booster or with small charge of some other explosive that are sensitive to impulse of detonator cap no. 8. Initiations of blast holes charges were conduct in different means. Paper presents results of measurements performed during blasting with three different types of explosives with different velocity of detonation. Measurements purpose was to bring an optimal mean of initiation respecting economy and technical factors.