Перегляд Volume 13, Issue 2 по назві
Зараз показуються 7-14 з 14
-
Laboratory studies of a high-strength roof bolting by means of self-extending mixtures
(National Mining University, 2019-06-30)Purpose is to analyze parameters of a new method to fasten roof bolts with the help of nonadhesive mixtures extending while hardening along with the development of high expansion pressures. Methods. The research, concerning ... -
Numerical modelling of the effect of temperature variation on stope stability in Bushveld Igneous Complex
(National Mining University, 2019-06-30)Purpose. This paper presents the result of the research carried out on the effect of increasing temperature and stresses with depth of mining on the stability of stope within the Bushveld Igneous Complex (BIC), where the ... -
Resonance in rock mass as the key reason of geodynamic phenomena
(National Mining University, 2019-06-30)Purpose is to develop deformation criterion or predecessors of geodynamic phenomena within rock mass relying upon the systemized experimental data concerning rock behaviour in a volumetric field of compressive stress. Methods. ... -
Statutory and regulatory requirements in the process of mineral mining in Ukraine. Review and analysis
(National Mining University, 2019-06-30)Purpose. Compliance of statutory and regulatory requirements as for mineral mining, made while subsurface using, mines inspectorating, bringing to responsibility, and creating prerequisites for providing legal guarantees ... -
Study of numerical simulation method modelling gas injection into fractured reservoirs
(National Mining University, 2019-06-30)Purpose. Fractures are the main flow channels in fractured reservoirs. The rapid flow characteristics of gas are outstanding in fractures. It is a major technical problem in the current oilfield development to calculate ... -
The influence of rigidity of the collapsed roof rocks in the mined-out space on the state of the preparatory mine workings
(National Mining University, 2019-06-30)Purpose. The substantiation of accounting the deformation-strength characteristics of the collapsed rocks and the rocks consolidating near the reusable preparatory mine working of the mined-out space to optimize the loading ... -
Transportation of concentration and leaching tailings in underground mining of metal deposits
(National Mining University, 2019-06-30)Purpose. The article aims to substantiate efficient parameters of resource-saving technological processes ensuring optimal environmental and economic indices of concrete mixtures transportation under the force mode and ... -
Use of thermal and magnetic devices for prevention of asphaltene, resin, and wax deposits on oil equipment surfaces
(National Mining University, 2019-06-30)Purpose. To substantiate the advantages of using a multi-level externally insulated complex of magneto-thermal dewaxing which is located in the oil well and improves production of the formation fluid with high content of ...