- 1. Formation mechanisms of maximal loads on cutters and cutting heads of coal mining machines
- (Content №5 2021)
- ... the tractive effort torque of electric motor when a group of cutters cuts many solid inclusions simultaneously, or in undermining of roof rocks, or in cutting hard dirt bands. Originality. The probabilities ...
- Created on 29 October 2021
- 2. Modeling of the earth’s surface subsidence during its undermining by stoping in coal mines
- (Content №6 2020)
- ... earths surface subsidence in the process of its undermining by stoping in the Western Donbas mines. The methods make it possible to develop the automated system determining areas and volume of the earths ...
- Created on 22 December 2020
- 3. Impact of duration of mechanochemical activation on enhancement of zinc leaching from polymetallic ore tailings
- (Contens №5 2020)
- ... V. I., Dmitrak, Yu. V., & Gabaraev, O. Z. (2019). Ensuring stability of undermining inclined drainage holes during intensive development of multiple gas-bearing coal layers. Journal of Mining Institute, ...
- Created on 30 October 2020
- 4. Predictability of a small-amplitude disturbance of coal seams in Western Donbas
- (Contens №4 2020)
- ... the undermining coal-rock massif. Progressive Technologies of Coal, Coalbed Methane, and Ores Mining, 317-325. https://doi.org/10.1201/b17547. 14. Ning-hua Chen, Jin-jin Dong, Jian-yu Chen, Chuan-wan ...
- Created on 30 August 2020
- 5. Influence of local orogeny and reservoir characteristics of enclosing rocks on the location of gas traps within the coal bearing deposits
- (Geology)
- ... Kyiv: Naukova dumka. 5. Lukinov, V., Prykhodchenko, V., Tokar, L., & Prykhodchenko, O. (2014). Mining and geological conditions of methane redistributions within the undermining coal-rock ...
- Created on 26 October 2019
- 6. Methods for monitoring the earth surface displacement at points of small geodetic network under the underground method of coal development
- (Mining)
- ... its underworking by means of building local small geodynamic networks. For the first time the observations of the earth surface displacements due to its undermining in the territory of the Karaganda coal ...
- Created on 24 April 2019
- 7. The management features of the university preparatory department
- (Economy and management)
- ... Strategies. Future Human Image, 7, рр. 102‒112. 13. Ravitch, D., 2016. The Death and Life of the Great American School System: How Testing and Choice Are Undermining Education. Basic Books; 3 ...
- Created on 11 March 2018
- 8. Determination of cross-correlation dependences between the parameters of swallies of the earth surface and the movement of underworked rocks
- (Mining)
- ... 40‒54. 9. Chepurnaia, L.A. and Antoshchenko, N.I., 2015. Prediction of gassing zones of undermining rocks and coal seams. Ugol Ukrainy, 3–4, pp. 51‒54. ...
- Created on 24 July 2017
- 9. Displacement of undermining rock mass above the moving longwall
- (Mining)
- ... knauf.ua Abstract: Purpose.Establishment of laws of change and distribution of the rock mass displacements and deformations on the basis of surveying instrumental observations at undermining ...
- Created on 16 March 2017
- 10. Determination of parameters of intensive flat coal seams mining technology in the conditions of negative effect of mining operations on the daily surface
- (Mining)
- Authors: O.I. Kazanin, Dr. Sci. (Tech.), Professor, National University of Mineral Resources (University of Mines), Saint-Petersburg, Russia. M.G. Mustafin, Dr. Sci. (Tech.), Professor, National ...
- Created on 27 October 2015
- 11. SURFACE SUBSIDENCE BY REPEATED UNDERMINING AND HIGH SPEEDS OF COAL FACE ADVANCE
- (Mining)
- ... mine in the Western Donbass coal region are presented in the article. The speed of mining face advance is 170 m a month in conditions of repeated undermining on a depth of 335 m. Co-ordinates of benchmarks ...
- Created on 01 October 2014
- 12. Mathematical modeling of trajectory of the maximum subsidence of points on the earth surface caused by working out of coal layers
- (Mining)
- ... трудов ДонГТУ / Л.А. Чепурная, Н.И. Антощенко – 2013. – Вып. 40. – С. 46–50. 5. Rules of undermining of buildings, constructions and natural objects during development of coal deposits by the underground ...
- Created on 23 September 2014
- 13. Account of earth relief influence on forecasting of horizontal deformations when undermining
- (Mining)
- Authors: A.G. Gavriuk, G.F. Gavriuk The influence of earth relief on determination of semithroug length at the complete surface undermining is considered. The article gives ...
- Created on 05 January 2013
- 14. Pressure of fluids and estimation of integral permeability change within the undermining coal rock massive
- (Geology)
- Authors: V.V. Lukinov, A.P. Klets, A.V. Prikhodchenko, A.A. Tikhonov. Influence of mining operations on the change of pressure in undermining coal rock massive have been investigated ...
- Created on 25 December 2012
- 15. Basic conformities to law of the convergence distribution earth surface in a semi-mould during undermining and dewatering
- (Mining)
- Authors: Havriuk O.H., Havriuk H.F. On the basis of results of instrumental supervisions of models at the observant stations basic conformities to the law of distributing ...
- Created on 21 December 2012
- 16. Horisontal displacement of earth surface above the moving coalface
- (Mining)
- ... 2003–11–22]. – К.: Мінпаливенерго України, 2003. – 126 с.– табл. – (Національні стандарти України). – Текст: рос., укр. Regulations of undermining of buildings, structures and natural objects during ...
- Created on 22 November 2012
- 17. Formation of the horizontal displacement during the lava withdrawal from floating furnace
- (Mining)
- ... – [Чинний від 2003–11–22]. – К.: Мінпаливенерго України, 2003. – 126 с.– табл. – (Національні стандарти України). – Текст: рос., укр. Regulations of undermining of buildings, structures and ...
- Created on 21 November 2012
- 18. Physical model of joint movement of rocks and earth surface undermined by coal beds
- (Mining)
- ... условиях объединения „Шахтерскуголь“ / С.Б. Кулибаба, С.В. Голдин, А.Ф. Крюченков // Уголь Украины. – 1993. – №12. – С. 39–41. Kulibaba S.B. Vertical shaft undermining in conditions ...
- Created on 20 November 2012
- 19. Analysis of maximum values of vertical and horizontal displacement of earth surface
- (Mining)
- ... Purpose. The notion about proportionality of vertical and horizontal displacements within the limits of the affected zone when mining coal seams is basic in science of surface undermining. The purpose ...
- Created on 15 November 2012
- 20. Position of characteristic points of the dynamic semi trough during undermining in the conditions of fall of water table
- (Mining)
- ... held at observation stations which had been placed in the main section of semi trough before mining face and after undermining had appeared in the flat bottom of semi trough. Position of points with the ...
- Created on 15 November 2012