Author 1:
Name & Surname: Bliznyukov V. G.
Company: Kryvyi Rih National University (Kryvyi Rih, Ukraine)
Work Position: Professor
Scientific Degree: Doctor of Engineering Sciences
Contacts: e-mail: rezba@i.ua

Author 2:
Name & Surname: Navitnii Yu. M.
Company: Kryvyi Rih National University (Kryvyi Rih, Ukraine)
Work Position: Assistant professor
Scientific Degree: Candidate of Engineering Sciences

Author 3:
Name & Surname: Bliznyukova O. Yu.
Company: Kryvyi Rih National University (Kryvyi Rih, Ukraine)
Work Position: Postgraduate student

The article analyzes the influence of pit highwall design on the work mode of mining. The width of the bench was varied in the analysis. The analysis involved the model of an open pit mine at a steeply pitching deposit with the horizontal thickness of 540 m up to the depth of 630 m. The employed mining equipment was single bucket excavators with bucket capacity 9 m³ and output of 800 thou m³ per year. It has been found that the bench width not only influences the work mode of mining but conditions the value of the maximum possible output of an open pit mine in terms of ore. The work mode adjustment domain has been analyzed for an open pit mine with the preset output.

1. Rzhevskiy V. V. Rezhim gornykh rabot pri otkrytoy dobyche uglya i rudy (Mining regime during open-cast mining of coal and ore). Moscow : Ugletekhizdat, 1957. 200 p.
2. Arsentev A. I. Opredelenie proizvoditelnosti i granits karerov (Definition of production capacity and open pits' boundaries). Moscow : Gosgortekhizdat, 1961.
3. Arsentev A. I. Proizvoditelnost karerov (Open pits' production capacity). Saint Petersburg, 2002. 85 p.
4. Anistratov Yu. I., Anistratov K. Yu., Shchadov M. I. Spravochnik po otkrytym gornym rabotam (Open-cast mining reference book). Moscow : Gornoe delo, 2010. 700 p.
5. Normi tekhnologіchnogo proektuvannya gіrnichodobuvnikh pіdpriemstv іz vіdkritim sposobom rozrobki rodovishch korisnikh kopalin (Standards of technological designing of mining enterprises by open-cast mining of mineral deposits). Kiev : Ministry of industrial policy (Ukraine), 2007. 279 p. (in Ukrainian)
6. Vilkul Yu. G., Bliznyukov V. G., Lutsenko S. A., Baranov I. V., Bliznyukova O. Yu. Sovershenstvovanie metodov planirovaniya gornykh rabot i proektirovaniya karerov (Improvement of methods of planning of mining operations and designing of open pits). Vіsnik Krivorіzkogo natsionalnogo unіversitetu = Byulletin of Kriviy Rih National University. 2013. Iss. 34. pp. 3–6.