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Rock Engineering and Slope Stability

Fruta Del Norte: Integrated Rock Mass Characterisation
Bruce Murphy

The Fruta del Norte project is an undeveloped, underground high-grade gold epithermal deposit in the southeast of Ecuador.

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A Risk-Based Approach To Support Design
William Joughin

The objective of installing ground support is to mitigate the risk of injuries and costs associated with rehabilitating excavation damage and associated production downtime.

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Slope Design At Cuajone Pit, Peru
Esteban Hormazabal, Gabriel Zuñiga and Felipe Gonzalez

SRK Chile’s Rock Mechanics team completed a study of the slope design at Cuajone pit.

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A Smart Data Management Tool For Rock Mass Classification
Neil Marshall

For any mining geotechnical study, an understanding of the characteristics of the rock mass within which an underground or open pit mine will be excavated is essential.

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Potash: Data Collection And Processing
Tim Coleman

Since 2012, SRK has been working with a major North American producer of agricultural nutrients that owns and operates production facilities in Canada and the United States.

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Comparison Of Methods For Estimating Berm Widths
William Gibson, Justine Paul

For the design of a pit wall, several combinations of bench height, bench face angle and berm width may be used to satisfy stability criteria.

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Treating Uncertainty In The Geotechnical Model For Slope Design
Luis Fernando Contreras

One of the major difficulties encountered by geotechnical engineers is dealing with the uncertainty present in every aspect of the slope design process.

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Escobal Mine: Mine-Scale Modelling
Mike Levy, John Tinucci

SRK conducted a numerical stress analysis to evaluate sill pillar stability for Tahoe Resources’ Escobal Mine located in southeast Guatemala.

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Simplified 3D Modelling of Bench-Berm Design
Bruce Murphy

Effective bench-berm management is critical for safety at operating open pit mines.

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Optimising Sublevel Stoping Dimensions In Orebodies: Cerro Lindo Mine
Joel Cabrera

The Cerro Lindo Mine is the largest underground mine in Peru, currently mining more than 20,000 tonnes/ day.

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McCook Reservoir Quarry - Block Stability Predictions
Edward Wellman

SRK was contracted by Strata Earth Services to perform a numerical analysis of the McCook Quarry near Chicago, Illinois.

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Validating Our Tools For Rockfall Hazard Analysis
Iñaki García Mendive, Alejandro Kerguelen

Orosur Mining operates the San Gregorio Gold Mine in northern Uruguay.

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Collahuasi Structural Geology Support
James Siddorn

The Collahuasi Mine is the world’s third largest copper mine with one of the largest deposits of copper mineral resources.

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Mud Rush At Yauricocha Mine, Peru
Fredy Henriquez, John Tinucci, Cristobal Herrero

SRK has been working for Sierra Metals at the Yauricocha Mine in Peru to help improve ground conditions that have historically resulted in mud rushes.

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Comparing Traditional And Televiewer Methods Of Structural Data Collection
Max Brown, Karl Llewelyn

All mining excavations should have an appropriate geotechnical design that takes into account the rock mass structure.

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Saprolite Slopes: Operational Slope Design At The Rosebel Gold Mine
Mark Raynor, Bruce Murphy

The Rosebel Gold Mine, located in Suriname, is comprised of a number of open pits which have been developed to varying depths.

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Discontinuity Survey And Brittle Fracture Characterisation In Open Pit Slopes
Zack Tuckey

Modern photogrammetry surveys can produce highly detailed 3D models of a rock slope.

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Mechanisation In Indian Underground Coal Mines: Rock Bolting Technology And Strata Monitoring
Atul Gandhe

Mechanised mining, using Continuous Miner (CM) bord and pillar sections, has been successfully introduced into Indian coal mines for more than a decade.

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Cigar Lake Uranium Mine
Matthew Clark, Tim Coleman

The SRK Vancouver Rock Mechanics team has been working at Cameco’s underground Cigar Lake Uranium Mine providing advanced multidisciplinary geotechnical modelling since the summer of 2015.

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Using Geological Data To Understand Distribution Of Rock Mass Properties
Diane Walker

This case study details how geotechnical properties were linked to geology alteration types.

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Structural Geology: The Fabric Of The Mine
Wayne Barnett

Geotechnical studies in mining operations rely on the ability of geologists to use measurements and observations from drilled or exposed rock to predict lithology and structural weaknesses in areas that may impact the stability of the mine, but are not yet exposed.

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Hollinger Open Pit Operational Support
Anton Bloem

The Hollinger Open Pit, one of Goldcorp’s Porcupine Gold Mines, is situated in the gold-mining City of Timmins, in northern Ontario, Canada.

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Evaluation Of Rock Field Stress Interpretations At The Ok Tedi Mine
Ian de Bruyn

Over the years, four programs of rock stress measurement and interpretation have been completed at the Ok Tedi Mine in Papua New Guinea, each providing different interpretations of the in situ field stresses.

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Geotechnical Characterisation Of Coarse Mine Waste Using DEM
Sandra Linero, Arcesio Lizcano

The study of the mechanical behaviour of mine wastes containing particles of metric order is a challenging task because commercial testing devices typically only accommodate samples composed of particles that measure a few centimeters.

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Photogrammetric Mapping For Pit Slope Angle Optimisation
Karl Llewelyn

The requirement to optimise excavation design and minimise waste stripping is becoming more critical in pit engineering as pits deepen and economics become tighter.

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Systematic Review And Compliance Audits Of Ground Control Management Plans
Louie Human

A systematic approach to review and audit Ground Control Management Plans (GCMP) for both open pit and underground operations adds value and provides a clear priority list for continued improvement.

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