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Assesing a risk of roof fall in the development mine workings in the process of longwall coal mining in terms of Ukrainian mines
(National Mining University, 2020-03-30)
Purpose is the analysis of the available approaches used to determine risks of injures of miners and the development of a new method to assess risks of roof fall in the development mine workings, which maintain long stopes ...
Research into stress-strain state of the rock mass condition in the process of the operation of double-unit longwalls
(National Mining University, 2020-06-30)
Purpose. To substantiate changes in stress-strain state of rock mass in the process of long-pillar mining with the help of double-unit longwalls while evaluating stress of a mine field in terms of Lvivvuhillia SE mine.
Methods. ...
Prediction of tunnel boring machine penetration rate using ant colony optimization, bee colony optimization and the particle swarm optimization, case study: Sabzkooh water conveyance tunnel
(National Mining University, 2020-06-30)
Purpose. The purpose of this study is to use a novel approach to estimate the tunnel boring machine (TBM) penetration rate in diverse ground conditions.
Methods. The methods used in this study include ant colony optimization ...
Ecological patterns for vegetation cover formation in the mining waste dumps of the Lviv-Volyn coal basin
(National Mining University, 2020-06-30)
Purpose. Determination of ecological patterns for vegetation cover formation in the mining waste dumps of the Lviv-Volyn coal basin based on the ecotopes floristic composition analysis of waste heaps reclaimed and ...
Substantiation of the intensified dump reclamation in the process of field development
(National Mining University, 2020-06-30)
Purpose is to substantiate intensification of dozer dump reclamation in the process of open pit-mining.
Methods. Analysis of methods intended to intensify reclamation activities in the context of open-pit mineral extraction ...
Research into the process of storage and recycling technogenic phosphogypsum placers
(National Mining University, 2020-06-30)
Purpose. Study of technogenic placers storage conditions using the example of phosphogypsum dumps at PJSC “Rivneazot” by determining the rocks sorption properties, distribution and concentration of elements, as well as ...
Cradle-to-gate life cycle assessment of the production of separated mix of rare earth oxides based on Australian production route
(National Mining University, 2020-06-30)
Purpose. Life cycle assessment (LCA) to investigate environmental impact resulting from the production of separated mixture of rare earth oxides (REO) mined in Australia.
Methods. Analytical study of the literature reviews ...
Mitigation of the environmental risks resulting from diesel vehicle operation at the mining industry enterprises
(National Mining University, 2020-06-30)
Purpose is to predict potentially hazardous effects of diesel vehicles of mining enterprises on the environment and to
minimize the environmental risks caused by these impacts by modifying motor fuels with special ...
The octahedral concept and cubic triaxiality in assessment of secondary stress state
(National Mining University, 2020-03-30)
Purpose. The opportunities offered by rock mechanics as a science are not fully and efficiently applied in the design and assessment of underground constructions performed in salt massifs, especially in the efficient design ...
Adaptive control of drilling by identifying parameters of object model under nonstationarity conditions
(National Mining University, 2020-03-30)
Purpose. The research is intended to investigate and synthesize adaptive control over drilling by identifying parameters of an object model under non-stationarity conditions.
Methods. Under conditions of rapidly changing ...