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Published on 27 March 2021

INFLUENCE OF THE TYPE OF DONOR CHARGES ON THE DETONATION RATE OF LOW-SENSITIVITY EXPLOSIVES

V. A. Belin, Z. G. Mollova

The article discusses the creation, testing and implementation of new donor charges designed to initiate low-sensitivity explosives. The cast booster donor charges are made entirely of explosives obtained from the disposal of unnecessary ammunition – TNT, RDX and TEN. The donor charges differ from the mass-produced ones, and have a mass of 150 to 900 g. They also have high explosive characteristics: velocity of detonation from 7200 to 7500 m/s, density of 1.6 g/cm3, excellent water resistance and strength. Their initiating ability on low-sensitivity explosives is significantly better than the one of TNT presses. The velocity of detonation of the main charge of a low-sensitivity emulsion explosive initiated with a cast booster is up to 700 m/s higher than when initiated with a TNT presses. It is especially important when building objects in the constrained conditions, at development of mountain territories for decrease in action of shock air waves and elimination of possibility of mountain collapses and landslides In article advantage of use of cast intermediate detonators on safety of explosive works is proved at development of mountain territories. The new design allows an increase in the security of initiating the charges in the boreholes, which allows them to be initiated with two detonators simultaneously.

CityMoscow, Sofia
CountryRussia, Bulgaria
UDC622.235
Issue2021, № 1 (Т. 13)
Key wordsdonor charge, cast booster, velocity of detonation, explosive, initiation.
Number of views (211)

Categories: Articles

Tags: скорость детонации, промежуточный детонатор, литой бустер, взрывчатое вещество, инициирование.

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ISSN 1998-4502 (Print)                                                            ISSN 2499-975Х (Online)