CONTRIBUTION TO THE ANALYSIS OF THE STABILITY OF AN OPEN PIT MINE: CASE OF THE KEF ESSNOUN PHOSPHATE MINE, TEBESSA NORTH-EAST ALGERIA
DOI:
https://doi.org/10.4314/jfas.v11i3.21Keywords:
landslide, SMR, RMR, Kef Essnoun, limit equilibriumAbstract
The problems related to slope stability in open pits have become increasingly complicated, where the stability of the terraces and embankments have a greater influence on the productivity and longevity of the mine, this instability can cause enormous damage to personnel and equipment. In this work, the stability analysis begins with a fieldwork where we could see the mine plan, the geometry of the steps, their heights, the different geological formations ... etc. In this way we have studied the stability of the steps of the kef essnoun open pit by the applying the rock mass classification systems and the calculation of the safety factor by the limit equilibrium method. The results obtained from the empirical analyze RMR, SMR and the limit equilibrium method is in general the same, where the marl layer is the probable cause of a massive instability.
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References
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[17] BIENIAWSKI Z. T. Engineering rock mass classifications: a complete manual for engineers and geologists in mining, civil, and petroleum engineering. John Wiley & Sons, 1989.
[2] GLASTONBURY J and FELL R. Geotechnical characteristics of large slow, very slow, and extremely slow landslides. Canadian Geotechnical Journal, 2008, vol. 45, no 7, p. 984-1005.
[3] WANG G, WU F and YE W. Stability analysis for toppling failure of unstable rock in Three Gorges reservoir area, China. In : 3rd ISRM symposium on rock characterisation, modelling and engineering design methods, SINOROCK. 2013. p. 431-436.
[4] Samuel T. M. Chapter 2 - Landslide Causes and Triggers. Landslide Hazards, Risk and Disasters. Amsterdam: Elsevier, 2015, pp. 17-42.
[5] ZHENG Y and LIU J. The Influence of Material Factor on Slope Stability. Electronic Journal of Geotechnical Engineering, 2016, vol. 21, no 16, p. 2379-2388.
[6] Xiao T, Li X et.al. Study on the stability factors of soil slope [J]. Journal of Geological Hazards and Environment Preservation, 2007, 18(2):89-93
[7] ABD-ALLAH A, EL-SAWY E, SEIF E.S.A, et al. Stabilité et conception des talus rocheux dans la région d’Arafat – Muzdalifa, en Arabie saoudite. Arabian Journal of Geosciences , 2014, vol. 7, no 10, p. 4029-4042.
[8] DEERE D.U, MERRITT A.H and COON R.F. Engineering classification of in situ rock: air force systems command, Kirtland Air Force Base. Report AFWL-64-144, 1969.
[9] BIENIAWSKI Z.T. Rock mass classification in rock engineering applications. In : Proceedings of a Symposium on Exploration for Rock Engineering, 1976. 1976. p. 97-106.
[10] ROMANA M. New adjustment ratings for application of Bieniawski classification to slopes. In : Proceedings of the international symposium on role of rock mechanics, Zacatecas, Mexico. 1985. p. 49-53.
[11] Romana M. SMR Classification. Proceedings 7th Congress Rock Mechanics, ISRM. Aachen, Germany, 2,955–960,1991.
[12] XIA Y. Y and XIONG H. F. Sensibility analysis of slope stability based on artificial neural network. Chinese Journal of Rock Mechanics and Engineering, 2004, vol. 23, no 16, p. 2703-2707.
[13] WANG Y, YIN K and AN, G. Grey correlation analysis of sensitive factors of landslide. ROCK AND SOIL MECHANICS-WUHAN-, 2004, vol. 25, no 1; ISSU 90, p. 91-93..
[14] LIU S. Y, SHAO L. T and LI, H. J. Slope stability analysis using the limit equilibrium method and two finite element methods. Computers and Geotechnics, 2015, vol. 63, p. 291-298.
[15] MOKADEM N, HAMED Y, SAD, A et al. Pollution atmosphérique en Afrique du Nord (interactions écosystèmes – atmosphère): étude de cas dans le bassin minier d'El Guettar – M'Dilla (sud-ouest de la Tunisie). Arabian Journal of Geosciences , 2014, vol. 7, no 5, p. 2071-2079.
[16] FREDJ M, HAFSAOUI A, KHADRI Y et al. Etude de la stabilité au banc dans la mine de phosphate (Algérie). Dans: Congrès international et exposition "Infrastructures civiles durables: Géotechnologie des infrastructures innovantes" . Springer, Cham, 2017. p. 101-114.
[17] BIENIAWSKI Z. T. Engineering rock mass classifications: a complete manual for engineers and geologists in mining, civil, and petroleum engineering. John Wiley & Sons, 1989.
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Published
2019-06-05
How to Cite
TABET, A.; NOUIOUA, I.; FEHDI, C.; ZERZOUR, O.; MEHIDI, Y. CONTRIBUTION TO THE ANALYSIS OF THE STABILITY OF AN OPEN PIT MINE: CASE OF THE KEF ESSNOUN PHOSPHATE MINE, TEBESSA NORTH-EAST ALGERIA. Journal of Fundamental and Applied Sciences, [S. l.], v. 11, n. 3, p. 1344–1353, 2019. DOI: 10.4314/jfas.v11i3.21. Disponível em: https://jfas.info/index.php/JFAS/article/view/469. Acesso em: 30 jan. 2025.
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