Перегляд Volume 13, Issue 4 по назві
Зараз показуються 8-15 з 15
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Implementation of probabilistic approach to rock mass strength estimation while excavating through fault zones
(National Mining University, 2019-12-30)Purpose. The paper addresses the rock mass state estimation while excavating a cross-heading through the area of regional fault “Bohdanivskyi” based on probabilistic approach to assessing the rock strength. Methods. The ... -
In-ground vibration propagation characteristics during underground blasting
(National Mining University, 2019-12-30)Purpose. In this study, we investigated the vibration propagation characteristics in ground caused by the explosion pressures during ground and underground blasting. In addition, the use of Styrofoam as a simulation medium, ... -
Models and methods to make decisions while mining production scheduling
(National Mining University, 2019-12-30)Purpose is to develop a new approach to the design of mining operations basing upon models and methods of decision making. Methods. The paper has applied a complex approach involving approaches of decision-making theory. ... -
Numerical experiments concerning long-term deformation of rock samples
(National Mining University, 2019-12-30)Purpose is to develop modeling methods of long-term rock sample deformation and failure under various loading conditions with the help of finite-element method of failure rock modeling (DESTROCK-FE). Methods. DESTROCK-FE ... -
Phenomena of stability of the coal seam roof with a yielding support
(National Mining University, 2019-12-30)Purpose. Determining the conditions and parameters for ensuring the stability of the coal seam roof with a yielding support in the area adjacent to face and behind it under the influence of dynamic loads based on the ... -
Study of change in the leaching solution activity after treatment with a cavitator
(National Mining University, 2019-12-30)Purpose. Increasing the valuable component content in a pregnant solution due to the activation of leaching solution with cavitation treatment in case of the borehole in-situ leaching (ISL). Methods. To obtain the cavitation ... -
Survey of the world practice of implementing energy-efficient technologies in terms of mining enterprises
(National Mining University, 2019-12-30)Purpose is the analysis of world practice of applying the best available techniques to increase energy saving and energy efficiency of mining enterprises being the important factor of the economic development. Methods. ... -
Three-dimensional electromagnetic field model of an auger electromechanical converter with an external solid rotor
(National Mining University, 2019-12-30)Purpose. Creating a three-dimensional mathematical model of the electromagnetic field of an auger electromechanical converter with the external solid rotor, taking into account the geometry peculiarities and the finite ...