FIELD: blasting operations.
SUBSTANCE: stand for simulating the impact of the explosion products on the stemming of the blast holes comprises a high pressure chamber closed from top with a lid with a membrane connected to the simulator of the blasting hole, made in the form of a tube. The high pressure chamber is additionally provided with an electromagnetic triggering device for forced destruction of the membrane at the time of reaching the predetermined pressure in the high pressure chamber.
EFFECT: provision of a predetermined air pressure to the stemming in the simulator of the blasting hole by forced destruction of the membrane.
3 dwg
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