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Managing Geologic Uncertainty in Pit Shell Optimization Using a Heuristic Algorithm and Stochastic Dominance Mining, Metallurgy and Exploration (444ce330-9c49-45a1-9758-2c54438ceb81)
By · J. B. Boisvert, O. Leuangthong, T. Acorn
Optimizing final pit limits for stochastic models provides access to geologic and economic uncertainty in the pit optimization stages of a mining project. This paper presents an approach for optimizin
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Managing Geologic Uncertainty in Pit Shell Optimization Using a Heuristic Algorithm and Stochastic Dominance Mining, Metallurgy and Exploration
By · J. B. Boisvert, O. Leuangthong, T. Acorn
Optimizing final pit limits for stochastic models provides access to geologic and economic uncertainty in the pit optimization stages of a mining project. This paper presents an approach for optimizin
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Fine Copper Grinding Using Metso’s Stirred Media Detritor
By Graham Davey
High-speed stirred milling is a relatively new method of grinding in the metalliferous process industries. However, it has been widely used in the industrial mineral field for more than 30 years. Man
Jan 1, 2004
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High Pressure Water Jet Assisted Tunneling
By Russell Miller, Fun-Den Wang
High Pressure Water Jet Assisted Tunneling The high pressure water jet assisted tunneling project was conducted in a granite quarry near Skykomish, Washington, approximately 90 miles east of Seattl
Jan 1, 1976
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Managing Contractor Safety In Australia
By J. Luxford
The last decade has seen an enormous increase in the use of contractors right across the Australian mining industry. So much so that contractors now operate 33 of the 68 underground metalliferous mine
Jan 1, 2000
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Characterization of San Diego’s Stadium Conglomerate for Tunnel Design
By S. J. Boone, A. Poschmann, C. Pound, A. Pace
San Diego’s Stadium Conglomerate consists of poorly cemented cobbles, gravel, sand, silt and clay. Conventional laboratory and in-situ testing is not suitable for characterizing its engineering proper
Jan 1, 2001
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Flotation Plant Instrumentation
By Dexter C. Hatch
At MacIntyre Development of the National Lead Company, Taha s, New York,, the flotation plant was set up to recover ilmenite from the finer size fraction of the ore that cannot be efficiently treated
Jan 1, 1962
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Development in Utility Tunnelling in the United Kingdom During the Years 1990–2000
By Andy Mille
The paper highlights development of tunneling methodology in the UK during the years 1990-2000 using the example of two major tunneling contracts where there solution of difficult tunneling problems d
Jan 1, 2001
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Semi-Autogenous Grinding (SAG) Mill Liner Design And Development
By D. Royston
SAG mill liner development draws primarily on practical experience from SAG milling operations supported by computer-based modeling of charge motion in SAG mills and on established good design practic
Jan 1, 2007
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Boggo Road Busway Project, Brisbane, Australia
By Ted Nye
This paper describes a number of aspects of the design and construction of a driven tunnel which forms part of the Boggo Road Busway project. The driven tunnel is 430m long with an excavated width of
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Effects of Longwsll Subsidence on Escarpment Stability
By Valois R. Shea-Albin
Increasing pressure from State and Federal agencies to mitigate mining-induced subsidence damage to overlying structures has presented a unique problem to the coal industry in the western United Stat
Jan 1, 1986
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Overview of NFPA 502 Standard for Road Tunnels, Bridges and Other Limited Access Highways, 2008 Edition
By William Connell
NFPA 502, Standard for Road Tunnels, Bridges and Other Limited Access Highways establishes minimum fire protection and fire life safety requirements for road tunnels, bridges and other roadways where
Jan 1, 2008
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Making Headway: All-Tool Carriers And Attachments Are Making An Impact On Advanced Tunneling
By Peter Bigwood
Whether drilling through tough clay or breaking rock, or facing the most severe conditions including mixed face ground, perched water and running and flowing sands, working under-ground certainly come
Jan 1, 2012
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Selected Factors Affecting Longwall Mine Layouts In The Pittsburgh Coalbed Of Southwestern Pennsylvania
By A. Iannacchione
Longwall mining began within the Pittsburgh coalbed of Pennsylvania (PA) in the early 1970?s. Originally, longwall mine layouts were designed to fit within existing room-and-pillar operations, where
Feb 27, 2013
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Alternatives To Conventional Cokemaking And Consuming Practices
By Francis J. Kiessling
Energy and the conversion of potential energy into alternate forms is becoming a topic of household conversation for a larger segment of the world's population as mankind's desire for produc
Jan 1, 1980
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Slurry Pump Design Features
By George Wilson
When pumping abrasive slurry mixtures, special attention must be given to pump design and construction. The second article in this two-part series describes some design features to consider when selec
Jan 10, 1981
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Energy Dissipation and Fragmentation of Granite Core During High Velocity Impact Mining, Metallurgy and Exploration
By Ying Lu, Jeffrey C. Johnson, Chen-Luh Lin, Jan D. Miller, Sindhoora Puvvada
Energy dissipation and fragmentation of rock is of interest for mine-to-mill operations in order to understand breakage and to minimize energy consumption during blasting at the mine site, and comminu
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Energy Dissipation and Fragmentation of Granite Core During High Velocity Impact Mining, Metallurgy and Exploration (1de527b1-559a-4ec3-825e-46bd7ac58c2b)
By Ying Lu, Jeffrey C. Johnson, Chen-Luh Lin, Jan D. Miller, Sindhoora Puvvada
Energy dissipation and fragmentation of rock is of interest for mine-to-mill operations in order to understand breakage and to minimize energy consumption during blasting at the mine site, and comminu
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Punk Rock in Portland
By Pat Wilmoth, Joseph P. Gildner, Dan Nowak, Shane Yanagisawa, Don Z. Painter, Gordon F. Revey
Frontier/Traylor is presently completing construction of twin tunnels for the Tri-County Metropolitan Transit District of Oregon’s (Tri-Met) westside lightrail system. The tunnels are each 4,550 m (1
Jan 1, 1997
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Coal Pillar Extraction Under Weak Roof "Mining, Metallurgy & Exploration (2020)"
By Sahendra Ram, Ashok Kumar, Rakesh Kumar, AMIT KUMAR SINGH, Dheeraj Kumar, Arun Kumar Singh, Rajendra Singh
This article offers an examination of a retreat mining method conducted at the Pinoura Mine in India from 2010 to 2017. The method is atypical for coal mines of India’s coalfields. The method executes
Aug 4, 2020