- 1. Optimal parameters of blasting destruction in the Ben Azouz quarry based on study of strength limestone rock
- (Content №3 2024)
- ... rock, a set of the tests in the rock mechanics laboratory of polytechnic faculty of Mons in Belgium was carried out and limestone rock strength was estimated. Practical value. to Solid understanding ...
- Created on 28 June 2024
- 2. Mathematical modeling the quarry wall stability under conditions of heavily jointed rocks
- (Content №6 2022)
- ... the effectiveness of rock strengthening measures based on mathematical modeling was shown. Keywords: quarry, wall stability, joints, rock reinforcement, finite element method, stress-strain state References. ...
- Created on 25 December 2022
- 3. Determining the parameters of a natural arch while forming support load of a horizontal roadways
- (Content №2 2021)
- ... parameters of rock strength, and its gravity. The abovementioned is the key distinction of the proposed method from the known semiempirical technique by M.M. Protodyakonov to determine natural arch as ...
- Created on 29 April 2021
- 4. The method for determining the parameters of the diagrams of a truncated-wedge destruction of cylindrical samples of rocks
- (Content №1 2021)
- ... tensile strength, destruction, crack, complete tension-strain diagram References. 1. Nesmashnyi, Y.A., & Bolotnikov, A.V. (2017). Determination of rock strength using modern equipment on the example ...
- Created on 05 March 2021
- 5. The character of disruption of the rocks surface during rapid cooling
- (Contens №5 2020)
- ... Heating. Acta Geophys. (64), 633–648. https://doi.org/10.1515/acgeo-2016-0021. 6. Wong, L. N. Y., Zhang, Y., & Wu, Z. (2020). Rock strengthening or weakening upon heating in the mild temperature ...
- Created on 30 October 2020
- 6. Impact of water saturation effect on sedimentary rocks strength properties
- (Contens №4 2020)
- ... 3. Wong, L. N. Y., Maruvanchery, V., & Liu, G. (2016). Water effects on rock strength and stiffness degradation. Acta Geotech, 11, 713-737. https://doi.org/10.1007/s11440-015-0407-7. 4. Liu, ...
- Created on 30 August 2020
- 7. Approximate analytical model of rock thermal cyclical disintegration under convective cooling
- (Geotechnical and Mining Mechanical Engineering, Machine Building)
- ... and decreasing rock strength. Methods for calculating were developed and effect of the intensity of convective heat transfer on crack opening processes in the rock was studied. The results of calculation ...
- Created on 19 August 2019
- 8. Application of the tensile strength to rock blasting
- (Solid State Physics, Mineral Processing)
- ... This email address is being protected from spambots. You need JavaScript enabled to view it. Abstract: Purpose. Determination of the blastability index from rock strength properties, which employ load rate orders of magnitude that encountered in blasting. These ...
- Created on 19 August 2019
- 9. Analytical method for calculating and charting “stress–deformation” provided longitudinal form of destruction of rock samples
- (Geotechnical and mining mechanical engineering, machine building)
- ... equipment any more, but can be identified in the laboratory production companies where information on indicators of rock strength can be efficiently used. References. 1. Vasiliev, L.M. and Vasiliev, ...
- Created on 24 July 2017
- 10. Technology of two-level supporting working contours
- (Mining)
- ... 2.Tsai, B.N., 2007. Termoaktivatsionnyi kharakter prochnosti porod. [Thermally activated nature of rock strength]. Karaganda: KarGTU. Цай Б.Н. Термоактивационный характер прочности пород / Цай ...
- Created on 16 March 2017
- 11. Determination of the displacement of rock mass nearby the dismantling chamber under effect of plow longwall
- (Geotechnical and mining mechanical engineering, machine building)
- ... regularities. Findings. The multi-variant calculations of stress-strain state change were carried out for different values of rock strength, coal seam thickness, mining depth and dismantling chamber ...
- Created on 22 June 2016
- 12. Automation research performance impact of drilling equipment construction pace openings
- (Mining)
- ... and near-periphery holes on the coefficient of rock strength for conditions with f = 10–20. The distance between the hole and the line of least resistance depending on the coefficient of rock strength ...
- Created on 05 November 2015
- 13. Study of influence of explosion on deep layers construction intensity by means of object-oriented programming
- (Geotechnical and mining mechanical engineering, machine building)
- ... options on the coefficient of rock strength for conditions with f =10–20 has been determined. The results have shown that in this case the distance between the holes and the line of least resistance, ...
- Created on 29 March 2015
- 14. Sand production prediction in pressure depleted reservoirs
- (Mining)
- ... Pressure depletion influences the in-situ stress of the reservoirs and changes the stress state around the boreholes, as well as affects rock strength by causing the compaction of the formation and reducing ...
- Created on 29 March 2015
- 15. Support loading of assembly chamber in terms of Western Donbas plough longwall
- (Mining)
- ... and variance analysis is used. Findings. Multi-variant calculations of rock stress-strain state are made for different values of rock strength, coal seam thickness, mining depth and excavation size ...
- Created on 13 November 2014
- 16. Borehole stability in stratified shale
- (Mining)
- ... internal friction angle of stratification decrease in exponential rule with immersion time, while that of the rock mass decrease in linear rule with immersion time. The rock strength decreases firstly ...
- Created on 10 July 2014
- 17. Prediction of spacing of primary roof caving of hard roof at development of gently dipping anthracite beds in deep mines
- (Mining)
- Authors: V.Yu. Medyanyk, Cand. Sci. (Tech.), Associate Professor State Higher Educational Institution “National Mining University”, Senior Lecturer of the Department of Underground Mining, Dnepropetrovsk, ...
- Created on 17 October 2013
- 18. Rock strength influence on correlation of time of operations of entry-driving cycle during building of bores
- (Mine and underground building)
- Authors: Kharin S.A. Influence of fortress of breeds is investigational on correlation of time of operations of entry-driving cycle at building of barrels of different diameter. ...
- Created on 21 December 2012
- 19. Influence of the surface-active substances implementation in the rock failure area on the intensity of rock crushing by means of the pulse loads
- (Geotechnical and mining mechanical engineering, machine building)
- ... reduced ultimate strength of the rock undergoing the static loadings by 23–25% at an average. The obtained results show that the rock strength declines dramatically because of diminishing of the surface ...
- Created on 12 November 2012
- 20. Implementation of energy method in study of zonal disintegration of rocks
- (Mining)
- ... прочностных свойств горных пород [Текст] / Хоменко О.Е. // Науковий вісник НГУ. – Днепропетровск, 2007. – №7. – С. 29–31. Khomenko, O.Ye. (2007), “Synergetic approach in assessment of rock strength properties”, ...
- Created on 12 November 2012