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Hoek-Brown strength criterion

Factor of safety by the strength-reduction technique applied to the Hoek–Brown model

Author(s): 
Osvaldo Ledesma, Iñaki García Mendive and Alejo Sfriso
Category: 
Geotechnical
This paper describes the implementation of the Hoek–Brown model as a perfect elastoplasticity model in a finite element code. The yield function is a standard Mohr–Coulomb surface incorporating a stress-dependent friction angle which accomplishes an exact reproduction of the Hoek- Brown

Arenal Deeps: application of numerical methods to 2D and 3D stability analyses of underground excavations

Author(s): 
Iñaki García Mendive, Uriel Sterin, Gonzalo Rellán and Alejo Sfriso
Category: 
Rock Mechanics

Arenal Deeps is an Au mine located near Minas de Corrales, Uruguay, which was exploited via an open pit operation from 2004 until 2009 and underground since then, using both inclined room and pillar and transversal stoping methods. The progression of mining activities (down to ~320m BGS) has led Read more... about Arenal Deeps: application of numerical methods to 2D and 3D stability analyses of underground excavations

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