A theory of cutter roof failure and its application

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Texte
Sommaire: As the turn of the century approaches, traditional open pit mining methodologies and processes are being modified through the introduction and use of new technologies. As in other industries, the personal computer is dramatically changing the traditionally conservative mining industry by allowing mines of varying size and capacity to increase their productivity and efficiency through the use of easy to use, office software. Computer-based monitoring and control systems are also being used...
Publication: CIM Bulletin
Auteur(s): J. Peck, J. Gray
Numéro: 1032
Volume: 92
Année: 1999
Texte
Sommaire: One of the major unsolved problems of safe, economical roof support in the evaporite industry has been that of obtaining and maintaining anchorages in relatively soft rock. This is due to the viscoelastic and viscoplastic behaviour of salt rock and associated deposits.
This paper introduces a low-cost, yieldable support mechanism, consisting of a system of buckling disks, which provides viable solutions to dynamic support. The yieldable support system offers a number of advantages in...
Publication: CIM Bulletin
Auteur(s): E. De Souza, P. Mottahed
Numéro: 1032
Volume: 92
Année: 1999
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