Determining rock mass deformability: experience from case histories

https://doi.org/10.1016/0148-9062(78)90956-7Get rights and content

Abstract

This paper discusses the results of extensive in-situ rock deformability tests conducted on three major engineering projects in South Africa: the Orange River Water Project, the Drakensberg Pumped Storage Scheme and the Elandsberg Pumped Storage Scheme. These projects features testing programmes involving many different methods, thus enabling comparisons and assessments of the reliability of the various in-situ tests. A review is also presented of the in-situ deformability data from those important projects througout the world which are well documented. It is shown that in-situ tests pose a number of uncertainties even for rock mechanics specialists and a new approach to assessing rock mass deformability based on the Geomechanics Classification of rock masses is suggested.

References (50)

  • Z.T. Bieniawski et al.

    The significance of in-situ tests on large rock specimens

    Int. J. Rock Mech. Min Sci. & Geomech. Abstr.

    (1975)
  • D.U. Deere et al.

    Design of surface and near-surface construction in rock

  • P. Duffaut

    Deformations in rock mechanics

  • A.S.T.M.

    Determination of the in-situ modulus of deformation of rock

  • M. Rocha et al.

    A new method for the determination of deformability of rock masses

  • L. Müller

    Rock mass behavior—determinion and application in engineering practice

  • W.L. Van Heerden

    In-situ rock mass property tests

  • D.J. Dodds

    Interpretation of plate loading test results

  • D.L. Misterek et al.

    Bureau of Reclamation procedures for conducting uniaxial jacking tests

  • L.G. Alexander

    Field and laboratory tests in rock mechanics

  • E.J. Deklotz et al.

    Development of equipment for determining deformation modulus in-situ stress by means of large flat jacks

  • U.W. Vogler et al.

    CSIR large flat jack equipment for determining rock mass deformability

  • H.H. Pratt et al.

    A new technique for determining the deformation and frictional characteristics of in-situ rock

  • D.L. Misterek

    Analysis of data from radial jacking tests

  • J.B. Bowcock et al.

    Drakensberg Pumped Storage Scheme—rock engineering investigations

  • R.E. Goodman et al.

    Measurement of rock deformability in boreholes

  • F.E. Hueze et al.

    Rock deformability measured in-situ problems and solutions

  • M. Rocha

    Present possibilities of studying foundations of concrete dams

  • B. Schneider

    Contribution a l'etude des massifs de fondation de barrages

    Trans. du labor de geol. de la fac. des sci. de Grenoble

    (1967)
  • E. Hoek et al.

    The design of rock slopes and foundations—general report

  • D.J. Dodds et al.

    Factors bearing on the interpretation of in-situ testing results

  • G.M. Kruse

    Powerplant chamber under Oroville Dam

  • W.A. Hustrulid

    An analysis of the Goodman jack

  • E. Bruckl et al.

    In-situ measurements in the Copper Mine at Mitterberg, Austria

    Rock Mech.

    (1974)
  • Cited by (553)

    View all citing articles on Scopus
    View full text