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Rock Mechanics

Managing a Change in Rock Mass Response to Mining at the Frog's Leg Underground Mine

Author(s): 
J Mgumbwa, A Page, L Human, MJ Dunn
Category: 
Geotechnical, Rock Mechanics
 
Evolution Mining's Frog’s Leg underground mine experienced an increase in the number of seismic events and rockburst occurrences during 2015. This was due to increased stress levels due to increasing mining depth and unfavourable mining geometry (mining the sole remaining

Geomechanical analysis of open pits at Cerro Vanguardia

Author(s): 
Iñaki García Mendive, Ariel Abad and Alejo Sfriso
Category: 
Mining

Cerro Vanguardia is a gold-silver mine located in the central steppe of Santa Cruz province, Argentina. The deposit consists of several veins 3.5–10 m in width and 19 km in length. Mining is currently carried out by means of open pits averaging 100–200 m in depth and, more recently, underground Read more... about Geomechanical analysis of open pits at Cerro Vanguardia

Statistical Characterization of Rock Structure using LiDAR

Author(s): 
Michael Levy
Category: 
Geotechnical, Rock Mechanics
 
When designing with rock masses of relatively high intact strength, characterization of the geologic structure properties is a critical component to proper analysis. Data describing distributions of discontinuity orientation, length, spacing and strength for pertinent sets

Arenal Deeps: application of numerical methods to two- and three- dimensional stability analyses of underground excavations

Author(s): 
Iñaki García Mendive, Uriel Sterin, Gonzalo Rellán, Alejo O. Sfriso
Category: 
Geotechnical

Arenal Deeps is an Au mine located near Minas de Corrales, 400km north of Montevideo, Uru- guay. The Arenal deposit is a subvertical fault zone, 6m – 30m wide, which was exploited via an open pit op- eration from 2004 until 2009 and underground since then. Underground mining is developed using Read more... about Arenal Deeps: application of numerical methods to two- and three- dimensional stability analyses of underground excavations

Cerro Vanguardia Open Pit Mining: Database Management for Stability Analyses

Author(s): 
Iñaki García Mendive, Gonzalo Rellán, Uriel Sterin, Alejo O. Sfriso
Category: 
Geotechnical

Cerro Vanguardia is an Au-Ag mine located in the central plains of Santa Cruz, Argentina. The deposit consists of several veins 3.5-10m wide and 19km long, related to epithermal mineralization of the Chon-Aike formation by Jurassic volcanism episodes. The exploitation is carried out by means of Read more... about Cerro Vanguardia Open Pit Mining: Database Management for Stability Analyses

The Rock Mechanics of Kimberlite Volcanic Pipe Evacuation

Author(s): 
Wayne Barnett
Category: 
Geology

This publication is Read more... about The Rock Mechanics of Kimberlite Volcanic Pipe Evacuation

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