engleski

Blasting properties of low-density emulsion based mixtures

Emulsion explosives are commonly used for civil purpose blasting. In order to decrease impact effect surrounding rock mass, it is possible to reduce detonation pressure and borehole pressure with reducing of density of proposed explosive emulsion based mixtures. In that case reduction of the velocity of the detonation is also achieved. In focused testing, emulsion matrix has been sensitized with expanded polystyrene. Mixtures with different portion of EPS have been prepared and blasted in rock bore holes. According to measured velocity of detonation values, relationship with density and work ability has been determined.

emulsion based explosives ; velocity of detonation ; work ability

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