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ArticleName Effective strengthening solutions for fractured rock masses using tailings
DOI 10.17580/em.2022.01.12
ArticleAuthor Bek А. А., Yestemesov Z. А., Baidzhanov D. О., Fedotenko N. А.

Karaganda State Technical University, Karaganda, Kazakhstan:

Bek А. А., Candidate for a Doctor’s Degree,
Baidzhanov D. О., Professor, Doctor of Engineering Sciences

Central Certification Laboratory of Building Materials, Almaty, Kazakhstan:

Yestemesov Z. А., Director of Laboratory, Doctor of Engineering Sciences, Professor


Research Institute of Comprehensive Exploitation of Mineral Resources—IPKON, Moscow, Russia:

Fedotenko N. А., Senior Researcher


The authors develop effective solutions for strengthening and reinforcement of disturbed rocks in underground mines using tailings. The object of research is tailings and backfill mixtures with and without additives, and the research subject is the physical and mechanical properties as well as hardening of backfill mixtures in conditions of natural humidity. The standard methods were used to determine characteristics of initial materials, backfill mixtures composition and their physical and mechanical properties. The studies included Akzhal mine tailings used as an aggregate of backfill mixtures for strengthening fractured rocks in the open pit mine, as well as damaged rib pillars and roofs in underground excavations. The results can be used for the expansion and reproduction of the building materials supplies, for the enhancement of industrial safety in mines and for the minimization of the environmental impact of mining.

Study was supported by the Science Committee of the Ministry of Education and Science of the Republic of Kazakhstan, Grant No. AP08857097.

keywords Mineral mining, open pit, mine, concentration plant, damage, fractures, rock mass failure, strengthening, mining waste, building materials, solutions, tailings, cement, superplasticizer, compressive strength and cohesion, X-ray and spectrophase analyzes

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Full content Effective strengthening solutions for fractured rock masses using tailings