Introduction. Large-scale implementation of mine stowing method is a relevant tendency to improve the technology of underground mining. Research aims to develop and propose an effective technology of mine stowing with processing tailings based hardening blends. Research methods include experimental investigation of mine stowing technology with processing tailing based hardening blends and the determination of basic characteristics of an artificial massif. Analysis. The present work provides the results of research on conventional technologies of hardening blends preparations and the one developed by the authors; the results prove the effectiveness of hydropercussion-cavity activation of solution materials. Summary. The analysis of the stowing manufacturing technologies under investigation has shown the effectiveness of the developed method based on the hydropercussion-cavity treatment of hardening blends materials.

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