PROPAGATION OF SHOCK WAVES AND STRESS WAVES IN ROCK
P. I. Afanasyev1, Kh. F. Makhmudov2
1Industrial Safety Department, Saint Petersburg Mining University, St. Petersburg, Russia
2Ioffe Institute, St. Petersburg, Russia
Keywords: Analytic model, explosive, shock waves, refraction of a detonation wave, blast pressure
Abstract
This article proposes a method based on the disruption theory of an arbitrary discontinuity (the Riemann problem) to determine the shock wave parameters on the wall of an explosion cavity. Two possible variants of detonation wave refraction on the explosion cavity wall are described. The detonative decomposition of emulsion explosives is also considered, and an equation of state for gaseous explosion products is proposed, which enables the estimation of detonation parameters while accounting for the incompressible volume of molecules.
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