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Now showing items 21-30 of 56
Studies of new nonadhesive anchoring
(National Mining University, 2018-06-30)
Purpose is to develop anchoring with nonadhesive high-strength roof bolting in terms of large pre-destructive deformations and its testing under laboratory conditions.
Methods. Laboratory studies of hydration hardening ...
Modeling the formation of high metal concentration zones in man-made deposits
(National Mining University, 2018-06-30)
Purpose. To study conditions of forming the zones of high metal concentration in metal-containing man-made deposits. To assess the likelihood of metal concentration in the placer core.
Methods. Analysis of the conditions ...
Research, science, technology, and innovation parks: reviewing both mining and research tendencies
(National Mining University, 2018-06-30)
Purpose. Between 2007 and 2008, a study was undertaken for the Debswana Diamond Company Botswana (Pty) Ltd., a leading diamond mining company in Botswana. The purpose of the study was to establish if Debswana could benefit ...
Strength and strain quantities under brittle compression process of hard rocks
(National Mining University, 2018-03-30)
Purpose. To examine the relationships between strength properties and strain quantities associated with the brittle compression process of hard brittle rocks.
Methods. The data used in this paper were obtained from ...
Intensification of technological processes in drilling and blasting operations during open-cut mining in Kyzylkum region
(National Mining University, 2018-03-30)
Purpose. It is found that for long term standing, the pit bench profile is close to the boundary of the disturbed zone. Therefore, long stability of the bench can be estimated in respect to the size of the disturbed area ...
Exploration and mining evaluation system and price prediction of uranium resources
(National Mining University, 2018-03-30)
Purpose. The paper introduces the development of the Uranium Resources Technical and Economic Evaluation Expert System (URTEEES) from the viewpoint of requirement analysis, system design, functional structure and application ...
Improving the efficiency of blasting operations in mines with the help of emulsion explosives
(National Mining University, 2018-03-30)
Purpose. To improve the efficiency of blasting operations in mines taking into consideration the upgrading of equipment used to charge blastholes as well as application of high-productive mining equipment of new ...
Selecting the method of gas hydrate deposits development in terms of the regularities of their formation
(National Mining University, 2018-03-30)
Purpose. To establish and show regularities of gas hydrates fields distribution in the World Ocean for the development of flow diagrams of methane extraction depending on genetic structures and the composition of the host ...
Development of a research methodology and analysis of the stress state of a parting under the joint and downward mining of coal seams
(National Mining University, 2018-03-30)
Purpose. The investigation of the stress-strain state (SSS) of a parting under the joint and downward mining of coal seams.
Methods. The studies have been carried out on the basis of a computational experiment by means ...
Hydro and geomechanical stability assessment of the bund wall bottom slope of the Dniprovsk tailing dump
(National Mining University, 2018-03-30)
Purpose. The objective is to assess the stability of bund wall components of a hydro-technical structure under the conditions of a tailing dump which hydrodynamic mode has been disrupted during operation. The specified ...