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Influence of Geomechanical and Hydraulic Parameters of the Fractured Rock on the Evolution of Underground Karst Cavities in Cheria Area, NE Algerea

Received: 13 January 2018     Accepted: 12 June 2018     Published: 24 July 2018
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Abstract

The main goal of this study is to analyze the surface part of the karst and some underground characteristics of Eocene karst system. The Karst cavities are widespread in the Eocene forming the upper formation under the Quaternary cover in the Cheria syncline. Therefore, the karstfied zone requires new methods for estimating average depth of the karts cavities from structural, geometrical, and mechanical properties of fractured rock. In that way, statistical methods is very efficient for describing in detail the shallow part of karst cavities, when Eocene limestone outcrops at the surface in the center and northern of the basin. A stochastic analysis is carried out to evaluate the influence of correlations between relevant distributions on the simulated RMR values, also to simulate the cavity depth. The model is also used in Monte Carlo simulations. The statistical analysis showed that Rock Mass Rating (RMR) depends on the hydraulically and geomechancal parameters. Naturally it is always possible to simulate a cavity depth (PKR) by several hydraulically and geometrical parameters of fractures (uniaxial compressive strength; RC), Rock Quality Designation (RQD), Spacing fracture (EJ), inflow per 10 tunnel length (D10m.L), friction cording of the angle of the rock mass (CD-I.j), layer depth (Pc), average aperture to each group of the fracture (di), average fracture frequency to each group of the fracture (fi), fracture depth (dfi)), especially in the case of k non real fracture geometry. The study of the relations between geomechanical fractured rock and fracture geometry, we can simulate any cavity depth (PRK) in Chera syncline.

Published in American Journal of Water Science and Engineering (Volume 4, Issue 2)
DOI 10.11648/j.ajwse.20180402.12
Page(s) 23-27
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2018. Published by Science Publishing Group

Keywords

Fractures, Karst, Cavities, Simulation, Cheria, Algeria

References
[1] Baali, F., Fehdi, C., Rouabhia, A., Mouici, R., Carlier, E., 2015 “Hydrochemistry and isotopic exploration for a karstic aquifer in a semi-arid region: case of Cheria Plain, Eastern Algeria.” Carbonates Evaporites (2015) 30:99–107. DOI 10. 1007/s13146-014-0214-5.
[2] Chamekh, K., Baali, F., Yahiaoui, A., Kerboub, D., 2017 “Hydrogeological setting of a karstic aquifer in a semi-arid region: a case from Cheria plain, Eastern Algeria.” Carbonates Evaporites DOI 10. 1007/s13146-017-0400-3.
[3] Renshaw, C. E. 1995. “On the relationship between mechanical and hydraulic apertures in rough‐walled fractures. Journal of Geophysical Research.” 100: DOI: 10. 1029/95JB02159. ISSN: 0148-0227.
[4] Benhammadi, H., Chaffai, H. 2017 “Climate and human impact on the Karstic environment in the semi-arid zone of the Chéria plateau (Northeast of Algeria)”. ISSN: 2220-6663 (Print) 2222-3045 (Online). Vol. 11, No. 4, p. 146-151.
[5] Chamekh, K. 2014. “Relation fracturation-morphologie implications hydrogéologiques. Exemple des calcaires fissures de la région de Chéria (NE Algérien).” Larhyss Journal, ISSN 1112-3680, n 18, pp. 19-30.
[6] Djemmal, S., Menani M. R., Chamekh, K., Baali, F. 2017. “The contribution of fracturations in the emergence of the thermal springs in Setif city, Eastern Algeria.” Carbonates Evaporites DOI 10. 1007/s13146-017-0375-0.
[7] Chaffai, H., and al. 2003. “Evaluation des ressources en eaux de la plaine de Chéria (NE Algérie). Synthèse et analyse des données.” Doctorat 3ème cycle, USTL, Montpellier II, 245p.
[8] Kiraly, L. 1971. “Groundwater flow in heterogeneous, anisotropic fractured media: a simple tow-dimensional.” Electric analog. Geological Institute, Neuchtatel, Switzerland. Journal of Hydrolog 12, pp255-261.
[9] Ladiera. 1981. “Rock Fractures and Fluid Flow: Contemporary Understanding and Applications.” Washington, DC: The National Academies Press.
[10] Bieniawski, Z. T. 1973. “Engineering classification of jointed rock masses. Transaction South African Institute Cicil Engineers, 15, 335-343.”
[11] Price, Cosgrove. 1990. “Analysis of Geological.” University Press - Science - 502 page.
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    Chamekh Khemissi, Djemmal Samir, Boukhalfa Adel, Baali Fethi. (2018). Influence of Geomechanical and Hydraulic Parameters of the Fractured Rock on the Evolution of Underground Karst Cavities in Cheria Area, NE Algerea. American Journal of Water Science and Engineering, 4(2), 23-27. https://doi.org/10.11648/j.ajwse.20180402.12

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    ACS Style

    Chamekh Khemissi; Djemmal Samir; Boukhalfa Adel; Baali Fethi. Influence of Geomechanical and Hydraulic Parameters of the Fractured Rock on the Evolution of Underground Karst Cavities in Cheria Area, NE Algerea. Am. J. Water Sci. Eng. 2018, 4(2), 23-27. doi: 10.11648/j.ajwse.20180402.12

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    AMA Style

    Chamekh Khemissi, Djemmal Samir, Boukhalfa Adel, Baali Fethi. Influence of Geomechanical and Hydraulic Parameters of the Fractured Rock on the Evolution of Underground Karst Cavities in Cheria Area, NE Algerea. Am J Water Sci Eng. 2018;4(2):23-27. doi: 10.11648/j.ajwse.20180402.12

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  • @article{10.11648/j.ajwse.20180402.12,
      author = {Chamekh Khemissi and Djemmal Samir and Boukhalfa Adel and Baali Fethi},
      title = {Influence of Geomechanical and Hydraulic Parameters of the Fractured Rock on the Evolution of Underground Karst Cavities in Cheria Area, NE Algerea},
      journal = {American Journal of Water Science and Engineering},
      volume = {4},
      number = {2},
      pages = {23-27},
      doi = {10.11648/j.ajwse.20180402.12},
      url = {https://doi.org/10.11648/j.ajwse.20180402.12},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajwse.20180402.12},
      abstract = {The main goal of this study is to analyze the surface part of the karst and some underground characteristics of Eocene karst system. The Karst cavities are widespread in the Eocene forming the upper formation under the Quaternary cover in the Cheria syncline. Therefore, the karstfied zone requires new methods for estimating average depth of the karts cavities from structural, geometrical, and mechanical properties of fractured rock. In that way, statistical methods is very efficient for describing in detail the shallow part of karst cavities, when Eocene limestone outcrops at the surface in the center and northern of the basin. A stochastic analysis is carried out to evaluate the influence of correlations between relevant distributions on the simulated RMR values, also to simulate the cavity depth. The model is also used in Monte Carlo simulations. The statistical analysis showed that Rock Mass Rating (RMR) depends on the hydraulically and geomechancal parameters. Naturally it is always possible to simulate a cavity depth (PKR) by several hydraulically and geometrical parameters of fractures (uniaxial compressive strength; RC), Rock Quality Designation (RQD), Spacing fracture (EJ), inflow per 10 tunnel length (D10m.L), friction cording of the angle of the rock mass (CD-I.j), layer depth (Pc), average aperture to each group of the fracture (di), average fracture frequency to each group of the fracture (fi), fracture depth (dfi)), especially in the case of k non real fracture geometry. The study of the relations between geomechanical fractured rock and fracture geometry, we can simulate any cavity depth (PRK) in Chera syncline.},
     year = {2018}
    }
    

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  • TY  - JOUR
    T1  - Influence of Geomechanical and Hydraulic Parameters of the Fractured Rock on the Evolution of Underground Karst Cavities in Cheria Area, NE Algerea
    AU  - Chamekh Khemissi
    AU  - Djemmal Samir
    AU  - Boukhalfa Adel
    AU  - Baali Fethi
    Y1  - 2018/07/24
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    N1  - https://doi.org/10.11648/j.ajwse.20180402.12
    DO  - 10.11648/j.ajwse.20180402.12
    T2  - American Journal of Water Science and Engineering
    JF  - American Journal of Water Science and Engineering
    JO  - American Journal of Water Science and Engineering
    SP  - 23
    EP  - 27
    PB  - Science Publishing Group
    SN  - 2575-1875
    UR  - https://doi.org/10.11648/j.ajwse.20180402.12
    AB  - The main goal of this study is to analyze the surface part of the karst and some underground characteristics of Eocene karst system. The Karst cavities are widespread in the Eocene forming the upper formation under the Quaternary cover in the Cheria syncline. Therefore, the karstfied zone requires new methods for estimating average depth of the karts cavities from structural, geometrical, and mechanical properties of fractured rock. In that way, statistical methods is very efficient for describing in detail the shallow part of karst cavities, when Eocene limestone outcrops at the surface in the center and northern of the basin. A stochastic analysis is carried out to evaluate the influence of correlations between relevant distributions on the simulated RMR values, also to simulate the cavity depth. The model is also used in Monte Carlo simulations. The statistical analysis showed that Rock Mass Rating (RMR) depends on the hydraulically and geomechancal parameters. Naturally it is always possible to simulate a cavity depth (PKR) by several hydraulically and geometrical parameters of fractures (uniaxial compressive strength; RC), Rock Quality Designation (RQD), Spacing fracture (EJ), inflow per 10 tunnel length (D10m.L), friction cording of the angle of the rock mass (CD-I.j), layer depth (Pc), average aperture to each group of the fracture (di), average fracture frequency to each group of the fracture (fi), fracture depth (dfi)), especially in the case of k non real fracture geometry. The study of the relations between geomechanical fractured rock and fracture geometry, we can simulate any cavity depth (PRK) in Chera syncline.
    VL  - 4
    IS  - 2
    ER  - 

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Author Information
  • Laboratory of Water and Environment, Department of Geology, Chiekh Larbi Tebessi University, Tebessa, Algeria

  • Mobilization and Management Laboratory of Water Resources, Department of Geology, El Hadj Lakhdar University, Batna, Algeria

  • Laboratory of Physical Properties of Materials, Department of Metallurgy, Badji Mokhtar University, Annaba, Algeria

  • Laboratory of Water and Environment, Department of Geology, Chiekh Larbi Tebessi University, Tebessa, Algeria

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