DRILLING-AND-BLASTING TECHNOLOGY IN OPEN PIT MINES IN UZBEKISTAN

In focus is the expedience of transition to blasting of high twin benches on lower levels in deep open pit mines using supercharges of explosives. The recommended technology of drilling and blasting on lower levels of deep open pit mines will enable halving the workers on production benches and increasing the inclination angle of the highwall in Kalmakyr open pit mine.

Keywords

Оpen pit mine, bench, explosive, cyclical-and-continuous method, drilling, explosion production, fracturing, crushing, borehole pattern.

Issue number: 5
Year: 2017
ISBN:
UDK: 622.271: 679.855
DOI:
Authors: Makhmudov D. R., Petrosov Yu. E.

About authors: Makhmudov D.R., Head of Chair, e-mail: dmahmudov@yandex.ru, Petrosov Yu.E., Assistant Professor, e-mail: yupetrosov1949@yandex.ru, Tashkent State Technical University named after A.R.Beruni, 100095, Tashkent, Uzbekistan.

REFERENCES:
1. Rakhimov V. R., Petrosov Yu. E., Mukhammedov I. M. Sbornik nauchnykh statey Mezhdunarodnoy nauchno-prakticheskoy konferentsii «Aktual’nye problemy obespecheniya integratsii nauki, obrazovaniya i proizvodstva» (Collection of scientific articles of International scientific-practical conference «Actual problems of ensuring the integration of scien-
ce, education and production»), Tashkent, 2008.
2. Petrosov Yu. E., Makhmudov D. R., Urinov Sh. R. Gornyy vestnik Uzbekistana. 2016, no 4, pp. 98–100.

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