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Development of ore pits - technology of intensive blasting of rocks on ore deposits in a clamped environment using emulsion explosives, allowing to provide the average lump size of 200-300 mm, which will allow at deep ore pits to introduce a progressive cyclic - flow technology. The technology of drilling and blasting operations by high twin 30-40 meter benches during the mining of deep horizons of the gold deposits "Muruntau" and "Kalmakir" in the Republic of Uzbekistan is presented. The critical analysis of the state of production of drilling and blasting, excavation and loading and transport works at the open pits is given. Parameters of drilling and blasting operations at mining deep horizons by high ledges are substantiated. Factors affecting the productivity of deep open pits are established. The book is intended for specialists in the field of "Mining".
About the author
Petrosov Yuriy Eduardovich Candidato das Ciências Técnicas, Professor Associado, Departamento de Engenharia de Minas, Islam Karimov Tashkent Universidade Técnica do Estado. Chefe de vários trabalhos de investigação sobre a implementação de bancos duplos altos em pedreiras profundas; Petrosova Larisa Ivanovna Candidata a Ciências Técnicas, Professor Associado, Departamento de "Segurança da Vida", Universidade Técnica Estatal de Tashkent, nomeada em homenagem a Islam Karimov.
