Research Article Open Access

FORMATION OF ORIENTED FRACTURE UPON EXPLOSION OF ELONGATED CHARGES

Abstract

Rock destruction mechanism by explosions is sufficiently complex, since the destruction occurs in very short intervals at sufficiently high values of dynamic loads. Therefore, no common point of view on rock destruction by explosion has been developed up till now. This article discusses stressed state in medium at quasi-static stage of impact upon explosion of elongated charges as well as describes formation and propagation of fracture zones upon explosions. This article presents the results of laboratory studies of formation of fracture zones upon explosion of solid charges as a function of properties of explosives and charge design at quasi-static stage of explosion impact.

ROMAN EVGENYEVICH ANDREEV, AND ELENA BORISOVNA GRIDINA

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