Abstract
The article is devoted to determining the safety factor of rock mass stability by measuring the intensity of electromagnetic pulses in the rock mass that are derived from natural stresses within the massif as well as additional applied loads imposed on it. The rock mass stability is evaluated according to the parameters of the electromagnetic pulses. The distinctiveness of this lies method in the preliminary determination of a frequency range corresponding to a specified depth within the mining massif, facilitating the calculation of the stability reserve coefficient. Explosive events resulting from the detonation of geological formations serve as external influences for instrumental measurements of the mass. The approach entails the measurement of electromagnetic pulses and the time required for these impulses to decay from post-explosion levels to the background electromagnetic pulses level. The stability reserve coefficient of the mass is subsequently determined through an equation accounting for the internal friction angle of the geological formations, the maximum electromagnetic pulses amplitude induced by the explosion, and the duration of decay until the background electromagnetic pulses level is reached.
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