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A. V. Polovinko
A. V. Polovinko
National Mineral Resources University (Mining University)
National Mineral Resources University (Mining University)

Articles

Geotechnology issues
  • Date submitted
    2012-12-19
  • Date accepted
    2013-02-18
  • Date published
    2013-06-01

Determination of the effectiveness of the use of shock machines for hard rock mining

Article preview

The paper deals with the application of air and hydraulic hammer tools for the destruction of hard rock in the mode of continuous operation. The regularities of the effectiveness of demolition of rock, depending on the shape and angle of the executive body to the surface are deter-mined. There are recommendations for use the executive bodies of shock mining machines in the article.

How to cite: Tolstunov S.A., Polovinko A.V. Determination of the effectiveness of the use of shock machines for hard rock mining // Journal of Mining Institute. 2013. Vol. 205. p. 36.
Topical issues in mining of ore and nonmetallic minerals
  • Date submitted
    2008-08-30
  • Date accepted
    2008-10-11
  • Date published
    2009-02-01

Method of research of influence of deposit eccentricity on minimum current stripping volumes

Article preview

The article studies the influence of the mineral body offsetting on the schedule of current volumes of overburden stripping. This issue has not been specially studied in previous publications by various authors. The issue of replacing areas by linear sections making up the pit walls has been justified in calculation of the current overburden volumes in cross-sectional plan. A corresponding dependence has been received in order to create a schedule for minimal current overburden volumes and a schedule for changes in current volumes depending on the rising depth. The proposed approach helps to establish general regularities which can be used in selecting parameters and directions of mining operations.

How to cite: Polovinko A.V., Kholodnyakov G.A., Kholodnyakov D.G. Method of research of influence of deposit eccentricity on minimum current stripping volumes // Journal of Mining Institute. 2009. Vol. 181. p. 69-71.
Geotechnology
  • Date submitted
    2008-07-16
  • Date accepted
    2008-09-02
  • Date published
    2009-01-01

Low-waste and environmental technology of mining of minerals at quarries with the help of hydraulic hammers

Article preview

Problems of branch are formulated, decisions of the cores from them are offered. Ecologically pure technology of development of rocky rocks allowing considerably is presented to lower a level of losses and contaminations at extraction of minerals. The brief review of practice of application of the presented technology abroad is given. The technique of a choice of the process equipment is offered. Advantages of the offered technology are noted.

How to cite: Kholodnyakov G.A., Ligotskiy D.N., Polovinko A.V. Low-waste and environmental technology of mining of minerals at quarries with the help of hydraulic hammers // Journal of Mining Institute. 2009. Vol. 180. p. 15-17.