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Shear Strength Behaviour of Jointed Rock Masses

  • Mahendra Singh
Chapter
Part of the Advances in Natural and Technological Hazards Research book series (NTHR, volume 50)

Abstract

Rocks encountered in civil and mining engineering structures are generally jointed in nature. The presence of joints renders anisotropy in rock and makes them weaker in their engineering response. Assessment of shear strength response of such jointed rocks, subject to given stress state, is a challenging task. Large size field tests are very expensive and time consuming and hence not feasible for majority projects. The best alternative available is to use indirect methods to describe the shear strength behaviour of jointed rocks.

The present articles presents some of the most widely used techniques developed during last few decades, using which the shear strength response of jointed rock can be assessed with reasonable accuracy. Relatively simple tests and observations are required for applying these techniques and hence input data can be procured without much difficulty. The shear strength response is divided into two broad categories i.e. strength behaviour of joints and strength behaviour of jointed rock mass. Shear strength models described in this article cover linear as well as non-linear strength response. Classification systems are widely used to characterize the rock masses in the field. It has been explained, how, these classification systems could be used to assess the shear strength response of the rock masses.

Keywords

Jointed rock Shear strength Strength criteria Classification systems 

Notes

Acknowledgement

The author gratefully acknowledges the contributions made by Dr. T. Ramamurthy, Professor (Retd.) and Dr. K.S. Rao Professor from IIT Delhi; Dr. Bhawani Singh, Professor (Retd.), Prof. M. N. Viladkar and Prof. N. K. Samadhiya from IIT Roorkee, Roorkee for their valuable technical inputs during the research presented in this paper. Some part of the research presented in this paper was conducted under the research projects (Project No. DST-209-CED, IIT Roorkee, 2005-08; and DST-697-CED, IIT Roorkee, 2013-14) sponsored by Department of Science and Technology (DST), New Delhi. The author sincerely puts on record the appreciation for the financial support from DST New Delhi, and the co-operation and encouragement from Dr. Bhoop Singh, Director NRDMS, DST, New Delhi, in carrying out research related to slope stability problems.

References

  1. 1.
    Patton FD (1966) Multiple modes of shear failure in rock. Ist Cong ISRM Lisbon 1:509–513Google Scholar
  2. 2.
    Ladanyi B, Archambault G (1972) Evaluation of shear strength of a jointed rock mass. 24th Int Geol Cong Sect 13D:249–270Google Scholar
  3. 3.
    Barton NR, Choubey V (1977) The shear strength of rock joints in theory and practice. Rock Mech 10(1–2):1–54CrossRefGoogle Scholar
  4. 4.
    Bieniawski ZT (1973) Engineering classification of jointed rock masses. S Afr Inst Civ Eng 15(12):335–344Google Scholar
  5. 5.
    Bieniawski ZT (1989) Engineering rock mass classifications. Wiley, New YorkGoogle Scholar
  6. 6.
    Bieniawski ZT (1993) Classification of rock masses for engineering: the RMR system and future trends. In: Rock testing and site characterization. Pergamon Press, Oxford, pp 553–573CrossRefGoogle Scholar
  7. 7.
    Mehrotra VK (1992) Estimation of engineering parameters of rock mass. PhD thesis. University of Roorkee, RoorkeeGoogle Scholar
  8. 8.
    Barton NR, Lien R, Lunde J (1974) Engineering classification of rock masses for the design of tunnel support. Rock Mech 6(4):189–239CrossRefGoogle Scholar
  9. 9.
    Barton NR (2002) Some new Q–value correlations to assist in site characteristics and tunnel design. Int J Rock Mech Min Sci 39:185–216CrossRefGoogle Scholar
  10. 10.
    Deere DU (1963) Technical description of rock cores for engineering purpose. Rock Mech Eng Geol 1:18–22Google Scholar
  11. 11.
    Hoek E, Brown ET (1980) Empirical strength criterion for rock masses. J Geotech Eng Div ASCE 106(GT9):1013–1035Google Scholar
  12. 12.
    Hoek E (2000) Practical rock engineering. http://www.rocscience.com/roc/Hoek/Hoeknotes2000.htm
  13. 13.
    Hoek E, Carranza-Torres C, Corkum B (2002) Hoek-Brown failure criterion – 2002 edition. NARMS-TAC Conf Tor 1:267–273Google Scholar
  14. 14.
    Hoek E, Brown ET (1997) Practical estimates or rock mass strength. Int J Rock Mech Min Sci 34(8):1165–1186CrossRefGoogle Scholar
  15. 15.
    Marinos V, Marinos P, Hoek E (2005) The geological strength index: applications and limitations. Bull Eng Geol Environ 64:55–65CrossRefGoogle Scholar
  16. 16.
    Ramamurthy T (1993) Strength and modulus response of anisotropic rocks. In: Compressive rock engineering principle, practice and projects, vol 11. Pergamon Press, Oxford, pp 313–329Google Scholar
  17. 17.
    Ramamurthy T (1994) Strength criterion for rocks with tensile strength. Ind Geotech Conf, Warangal, pp 411–414Google Scholar
  18. 18.
    Ramamurthy T, Arora VK (1994) Strength prediction for jointed rocks in confined and unconfined states. Int J Rock Mech Min Sci 13(1):9–22CrossRefGoogle Scholar
  19. 19.
    Ramamurthy T (2014) Strength, modulus and stress-strain responses of rocks, Engineering in Rocks for Slopes, Foundations and Tunnels, vol 3. Prentice-Hall of India Pvt. Ltd, New Delhi, pp 93–137Google Scholar
  20. 20.
    Singh M, Singh B (2012) Modified Mohr–Coulomb criterion for non-linear triaxial and polyaxial strength of jointed rocks. Int J Rock Mech Min Sci 51:43–52CrossRefGoogle Scholar
  21. 21.
    Barton N (1976) The shear strength of rock and rock joints. Int J Rock Mech Min Sci Geomech Abstr 13:255–279CrossRefGoogle Scholar
  22. 22.
    Singh M, Singh B (2004) Critical state concept and a strength criterion for rocks. Asian rock mechanics symposium: contribution of rock mechanics to the new century, Kyoto, Japan, 3:877–880Google Scholar
  23. 23.
    Singh M, Rao KS (2005a) Bearing capacity of shallow foundations in anisotropic non Hoek-Brown rock masses. ASCE J Geotech Geo-environ Eng 131(8):1014–1023CrossRefGoogle Scholar
  24. 24.
    Arora VK (1987) Strength and deformational behaviour of jointed rocks. PhD thesis, IIT DelhiGoogle Scholar
  25. 25.
    Singh M (1997) Engineering behaviour of jointed model materials. Ph.D. Thesis, IIT, New DelhiGoogle Scholar
  26. 26.
    Singh M, Rao KS, Ramamurthy T (2002) Strength and deformational behaviour of jointed rock mass. Rock Mech Rock Eng 35(1):45–64CrossRefGoogle Scholar
  27. 27.
    Ramamurthy T (2001) Shear strength responses of some geological materials in triaxial compression. Int J Rock Mech Min Sci 38:683–697CrossRefGoogle Scholar
  28. 28.
    Zhang L (2009) Estimating the strength of jointed rock masses. Int J Rock Mech Min Sci 43((4)):391–402Google Scholar
  29. 29.
    Singh B, Viladkar MN, Samadhiya NK et al (1997) Rock mass strength parameters mobilised in tunnels. Tunn Undergr Space Technol 12(1):47–54CrossRefGoogle Scholar
  30. 30.
    Kalamaras GS, Bieniawski ZT (1993) A rock mass strength concept for coal seams. 12th Ground control in mining conference, Morgantown, pp 274–283Google Scholar
  31. 31.
    Sheorey PR (1997) Empirical rock failure criteria. Balkema, RotterdamGoogle Scholar
  32. 32.
    Singh M, Rao KS (2005b) Empirical methods to estimate the strength of jointed rock masses. Eng Geol 77:127–137CrossRefGoogle Scholar
  33. 33.
    IS:7317 (1974) Code of practice for uniaxial jacking test for modulus of deformation of rocksGoogle Scholar

Copyright information

© Springer International Publishing AG, part of Springer Nature 2019

Authors and Affiliations

  • Mahendra Singh
    • 1
  1. 1.Department of Civil EngineeringIIT RoorkeeRoorkeeIndia

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