Conclusions
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1.
The fracturing of rocks is a process evolving in time on the basis of a stochastic accumulation and development of cracks.
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2.
Acoustic emissions allow monitoring the accumulation of the number of cracks and evaluating their sizes.
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3.
For monitoring the emission of elastic energy, computerized systems are necessary, capable of real-time recording of all acoustic signals above a desired threshold and measuring their amplitude and time parameters.
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4.
The formation and development of a fracturing source can be detected reliably by variations of the amplitude-time spectra of AE and the variation of the statistical parameters of AE.
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5.
The similarities of the fracturing processes at different size scales allows using the predictive features detected to forecast rock bursts.
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Additional information
A. F. Ioffe Physicotechnical Institute, Academy of Sciences of the USSR, Leningrad. Translated from Fiziko-Tekhnicheskie Problemy Razrabotki Poleznykh Iskopaemykh, No. 1, pp. 9–22, January–February, 1987.
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Kuksenko, V.S., Inzhevatkin, I.E., Manzhikov, B.T. et al. Physical and methodological principles of rock burst prediction. Soviet Mining Science 23, 6–17 (1987). https://doi.org/10.1007/BF02534035
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DOI: https://doi.org/10.1007/BF02534035