BLASTING DEVICE FOR DYNAMIC LOADING Russian patent published in 2010 - IPC G01N3/30 F42B1/00 F42D3/00 

FIELD: testing equipment.

SUBSTANCE: invention is related to investigation of substances behaviors in process of their exposure to dynamic effect and may be used in any field of engineering. Blasting device for dynamic loading comprises the main charge of explosive, which is arranged as multilayer, striker and unit of the main charge initiation, including matrix with intermediate charge of explosive and facility of its initiation. Between unit of initiation and the main charge there is sublayer arranged from explosive charge with thickness h, and unit of the main charge initiation is represented by shaper of multipoint initiation, in which matrix is arranged as multilayer. Intermediate charge is arranged in the form of grid of detonating channels, passing through all layers of matrix and having branches. End sections of channels outgo onto surface of sublayer, and number of branches increases towards it. On each layer of the main charge there is inert plate installed, made of material, speed of shock wave passage in which is less than speed of the main charge explosive detonation. Thickness h of sublayer is selected from the following condition: L≥h≥L/2, where L is distance between neighboring end sections of channels.

EFFECT: invention makes it possible to improve efficiency of device operation.

3 cl, 1 dwg