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Publications tagged with [jointed rock]

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The main rockmass classification systems make use of similar rockmass parameters. It is therefore shown how the input parameters of the RMR, Q and RMi systems can be combined into one set of tables. These enable the ground quality to be found directly and ...
Reference: Palmstrom, A., 2009: Combining the RMR, Q, and RMi classification systems. www.rockmass.net, 25p
<p>The paper presents summary of the work carried out by the author on the modelling of jointed rock mass with some field applications.</p>
Reference: International Journal of the JCRM vol.5 (2009) pp.39-51
<p>The slope stability analysis has many applications in the engineering projects such as the dams, the roads and open pits structures. The method of analysis is usually based on the equilibrium conditions of the potential plane and wedge failures. The zone ...
Reference: The 12th International Conference of International Association for Computer Methods and Advances in Geomechanics (IACMAG) 1-6 October, 2008 Goa, India
<p>We examine rockfall susceptibility of folded strata in the Sevier fold-thrust belt exposed in American Fork Canyon in north-central Utah. Large-scale geologic mapping, talus production data, rock-mass-quality measurements, and historical rockfall data indicate ...
Filed under: Rock Mechanics -  Rock Falls
Reference: Nat. Hazards Earth Syst. Sci., 7, 1–14, 2007
<p>This paper applies numerical limit analyses to evaluate the ultimate bearing capacity of a surface footing resting on a rock mass whose strength can be described by the generalised Hoek&ndash;Brown failure criterion [Hoek E, Carranza-Torres C, Corkum B. ...
Reference: International Journal of Rock Mechanics & Mining Sciences 43 (2006) 920–937
The analysis of structure using joint set statistics is well known. Other data such as the position of discontinuities and the contacts between rock mass units cannot be easily incorporated in simple statistical analysis based on orientation alone. Algorithms ...
Reference: The South African Institute of Mining and Metallurgy, International Symposium on Stability of Rock Slopes in Open Pit Mining and Civil Engineering
The paper describes the history of the Q-system that was introduced in 1974, and its later development. The individual parameters are analysed, and their relevance for the natural geological features they seek to simulate, is discussed. It is concluded that ...
Reference: Published 2006 in Tunnels and Underground Space Technology, vol. 21, pp. 575-593
<p>The intact rock strength of a rock mass has been determined by several different means in the context of research for slope stability assessment. The intact rock strength was determined with unconfined compressive strength testing, Schmidt hammer, Equotip, ...
Reference: Proceedings of 9th Congress of the International Association for Engineering Geology and the Environment. Durban, South Africa, 16 - 20 September 2002
In this paper, the tests performed on model wedges under static and dynamic loading conditions are described and the existing limiting equilibrium methods are extended to take into account dynamic effects. The applicability and validity of the presented method ...
Reference: "Rock Mechanics and Rock Engineering, (2000) 33 (1)"
The RMi (rock mass index) system applies input of block size, joint characteristics and strength of intact rock to express the uniaxial compressive strength of a rock mass. From practical use in more than 5 years the RMi rock support method has been further ...
Reference: Journal of Rock Mechanics and Tunnelling Technology, vol. 6, no. 1, May 2000, pp. 1 – 19