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  • SAIMM
    Study of hollow friction bolts in rock by a three dimensional composite element method

    By Z. G. He, S. H. Chen, P. Egger

    A new model for hollow rock bolts which comprises rock material, hollow bolt material, bolt/rock interface, is developed on the base of the composite element method (CEM). The main advantage of the ne

    Jan 1, 2003

  • SAIMM
    Strength, Deformability, and Micromechanics of Brittle Fracture in a Crystalline Rock Under True Triaxial Compressive Stresses

    By B. Haimson

    A new loading apparatus was fabricated and used to conduct true-triaxial compression tests on KTB amphibolite, a crystalline basement rock. Tests in dry jacketed samples reveal that the intermediate p

    Jan 1, 2003

  • SAIMM
    News about publications

    1. Journals Quarterly Journal of tke International Tin Research Institute, edited by Colin J. Evans and published by the Institute, Fraser Road, Greenford, Middlesex UB6, 7AQ, England. Engineering, bu

    Jan 1, 1983

  • SAIMM
    Experimental and numerical modelling of the tunnel face stability

    By J. Trckova, P. Prochazka

    Physical models from equivalent materials satisfying geometrical and physical similarity have been constructed. A special technology of simulating the excavation of an opening at the front part of a t

    Jan 1, 2003

  • SAIMM
    Uncertainty in Rock Mechanics and Rock Engineering—Then and Now

    By H. H. Einstein

    This paper reviews how uncertainty has been dealt with over the past 40 years using the decision making cycle as a frame of reference. The review of the phases of this cycle, as applied to rockmechani

    Jan 1, 2003

  • SAIMM
    Photogrammetry for Structural Mapping in Mining

    By G. Poropat, A. R. Guest, H. P. Grobler

    At the De Beers Consolidates Mines operations it is common practices to perform Geotechnical mapping of the newly exposed faces in the waste and ore rock. The purpose of Geotechnical mapping is to qua

    Jan 1, 2003

  • SAIMM
    A Bayesian network approach for geotechnical risk assessment in underground mines

    By L. Uotinen, M. Rinne, R. Mishra

    Underground mining gives rise to geotechnical hazards. A formal geotechnical risk assessment can help to forecast and mitigate these hazards. Frequentist probability methods can be used when the hazar

    Jun 1, 2021

  • SAIMM
    An effective face support system to minimize rockfalls - Synopsis

    By N. D. L. Burger

    An effective prototype face support system to minimize rockfalls in rockfall-prone mines was developed and patented during a project sponsored by the Mine Health and Safety Council (MHSC). An experime

    Jan 1, 2008

  • SAIMM
    75th Anniversary Banquet

    A banquet, attended by 467 members and visitors, was held at the Wanderers Club, Johannesburg, at 8 p.m. on Friday, 21st March, 1969, to celebrate the 75th Anniversary of the founding of the Institute

  • SAIMM
    Characterisation studies of Tectonised Clay shales and implications in the excavation of large size tunnels

    By Marco Barla, Mariacristina Bonini, Giovanni Barla

    ABSTRACT: The paper describes the characterisation studies of Tectonised Clay Shales at laboratory and in situ scale. The interest relates to tunnelling under squeezing and swelling conditions, in Ita

    Jan 1, 2003

  • SAIMM
    Proceedings October General Meeting

    The October General Meeting of the Institute was held in Kelvin House, Johannesburg, on 15th October, 1969, at 4.30 p.m. Mr J. K. E. Douglas (President) was in the Chair. There were also present

  • SAIMM
    Where is all the gold?

    By M. Handley

    The Witwatersrand Basin contains by far the most gold ever found, and has hosted mining from its discovery in 1886 to the present. For many years, South Africa was the world’s largest producerof gold,

    Apr 5, 2023

  • SAIMM
    Wear of Magnesia-Chrome Refractory Bricks as a Function of Matte Temperature

    By M. Lange

    The postulation that primary platinum group metal (PGM) matte will chemically react with magnesia-chrome bricks when temperatures exceed 1500°C was tested. Magnesia-chrome brick samples were heated in

    Jan 1, 2014

  • SAIMM
    Characterisation of cellular lightweight concrete and timber stope supports

    By P. N. Erasmus, M. Heyns, M. J. Pretorius

    The characteristic of stope supports plays a vital role in the design of the supports. This paper deals with the characterisation of both cellular lightweight concrete and timber supports since both

    Jan 1, 2003

  • SAIMM
    Viscoplastic behaviour of and damage to rock related to the design of underground waste depository cavities

    By A. Bouvard, N. Hoteit, E. Boidy, F. Pellet

    In the context of the construction of an Underground Research Laboratory devoted to the feasibility studies of radioactive waste deposits, it appears of the utmost importance to study the long-term be

    Jan 1, 2003

  • SAIMM
    Modeling of factors influencing the extent of mud infiltration in a fractured rock mass

    By C. Tan, C. Detournay

    Wellbore stability is a major concern for drilling in naturally fractured formations. The infiltration of drilling mud into the fractures is a factor, which may compromise wellbore integrity due to t

    Jan 1, 2003

  • SAIMM
    Proceedings March General Meeting

    The March General Meeting of the Institute was held in Kelvin House, Johannesburg on 18th March, 1970, at 4.30 p.m. Mr J. K. E. Douglas (President) was in the Chair. There were also present fift

  • SAIMM
    Is it wavy or rough?

    By J. P. Harrison

    ABSTRACT: The significant effect of fracture surface morphology on the mechanical behaviour of rock masses is well known and has been studied by many people. For linear profiles taken from fracture su

    Jan 1, 2003

  • SAIMM
    Utilizing strain criteria to predict highwall stability performance (99b83745-6008-4838-a805-df9da98849e4)

    By W. Newcomen, D. Brox

    The assessment of the stability performance of open pit highwalls has traditionally been based on consideration of surface movement rates. Although generally accepted in industry, this approach presen

    Jan 1, 2003

  • SAIMM
    Importance of failure mechanisms for management of surface instability risk above abandones mines

    By J. P. Josien, Didier C.

    ABSTRACT: France now faces the closure of most of its mining sites. Surface instability risk may sometimes remain, especially where large underground voids exist. This paper illustrates the importance

    Jan 1, 2003