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Synthetic Fiber Ropes In Haulage Systems in Underground Mining
By M. Michael, A. Felber
"Mining activities, especially underground mining operations, create great demands on utilized haulage means which cover a variety of different horizontal and vertical distances. In the course of the
Jan 1, 2015
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Reduce Urban Tunnel Utility Relocation Risk through Early Relocation by Specialty Contractor
By Justin Carl, Aliuddin Mohammad, Gordon Evans, Steven Bealby, Carlton Ray
"The District of Columbia Water and Sewer Authority (DC Water) is implementing the $2.2-billion DC Clean Rivers Project (DCCR) to control combined sewer overflows (CSO) to the Anacostia and Potomac ri
Jan 9, 2017
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Does Competition Affect Bidding Outcomes in Common Value Auctions?—Case of Coal Block Auctions in India - SME Annual Meeting 2025
By Roderick Eggert, Dipesh Dipu
We look at the empirical evidence of coal block auctions in India to understand how competitive intensity affects the bid amounts in common value auctions. The results suggest that competitive intensi
Feb 1, 2025
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Mining At Aspen
By Bruce Bryant
Silver ore was discovered at Aspen in 1879, but the district did not reach full production until 1888 after lawsuits were settled and railroads furnished less expensive transportation to the outside w
Jan 1, 1982
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Risk in ultimate pit selection
By Edward Holloway
The basis for the selection of the ultimate pit for an open-pit mining operation is generally opaque. Some form of value-based analysis will generally guide the final decision; however, the value will
Jun 1, 2024
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360-Degree 3D Digital Assessment of Subsurface Water Infrastructure - NAT2022
By Cory Dippold, Michael Mett, Jérôme Steinkühler, Kristi Latimer
For decades, tunnels of all types have been a significant part of our infrastructure. In particular, water tunnels carry millions of gallons of fresh water every day to major metropolitan areas and su
Dec 1, 2022
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Theory And Practices Of Fully Mechanized Longwall Mining In Steeply Dipping Coal Seams
Mining steeply dipping coal seams is a difficult task in the mining industry. Prior to 1996, fully mechanized longwall mining methods along the seam strike direction were tried in China and other coun
Jan 1, 2012
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Portable instruments for measuring tailpipe diesel particulate in underground mines
By J. Noll
There is a need for direct tailpipe sampling of diesel vehicles in mines in order to determine the effects of an emissions-based maintenance program, evaluate control technologies such as diesel parti
Oct 1, 2013
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Designing and modeling mesh communications in underground coal mines
By Michael E. Karmis
New and developing communication systems en-able underground miners to, not only connect to the surface from an increased communication coverage area, but also to be discovered in the event of an emer
Jun 1, 2010
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Application Of Slag Technology To Recycling Of Solid Wastes
By Paul B. Queneau
Formulation and commercial utilization of solid-waste incinerator slag by-product is the focus of this paper. Particular attention is given to iron aluminosilicate melts having compositions similar to
Jan 1, 1991
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Exploring worker experience as a predictor of self-reported routine and nonroutine safety performance in the mining industry
By CASSANDRA L. HOEBBEL, Emily J. Haas, MARGARET E. RYAN
Researchers examined datasets from two separate studies that measured common demographic variables but different safety performance outcome variables. Of specific interest was how types of experience
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Caterpillar Adds to its Mining Line; New Haul Trucks Fill Out the Surface Mining Portfolio
By William Gleason
"Caterpillar is the largest manufacturer of mining equipment in the world. In hundreds of surface mines around the globe, Caterpillar’s flagship 793 haul trucks can be found moving material for copper
Dec 1, 2018
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Istanbul Strait road tube crossing: Challenges, risks and strategies
By Gordon Clark, Basar Arioglu, Nasri Munfah, Sanja Zlatanic, Tolga Togan
"The 13.2 m (43 ft) external diameter, double deck Istanbul Strait Road Tube Crossing is one of the most challenging underwater tunnel projects in the world. Subjected to 11 bars of hydrostatic pressu
Mar 1, 2017
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Mining Faculty across the Globe; A Glimpse into Tomorrow’s Opportunities
By Ebrahim Tarshizi, Livernois Ryan, Emily Sarver, Zoe Scopa, Robert Setterlind, Leah Frost
"The mines of the future present a host of challenges, which may appear exciting or daunting, depending on one’s perspective. Whether some sectors of the public recognize it or not, the demand for raw
Jan 6, 2017
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Redefining Settlement Control Industry Standards with Modern Mechanized EPB Tunnelling - Eglinton Crosstown LRT Tunnel Case Study
By A. Taghavi, I. Hassan, A. Solecki
"The Eglinton Crosstown Light Rail (LRT) Project is part of an $8.4 billion investment to expand transit in the Toronto, Canada area and is the largest transit project initiated in Province’s history.
Jan 1, 2016
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Strata mechanics of pillar mining at the Crandall Canyon Mine
By W. G. Pariseau
"The Crandall Canyon Mine (CCM) is located in the Wasatch coal field in central Utah. Extensive longwall mining at CCM preceded a decision to recover coal left in barrier pillars on each side of a set
Jan 1, 2014
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Political Risk Management In Northern Andean Countries
By W. J. Spat
Political risk is an integral part of the mining business in Northern Andean countries. Peru, Ecuador, Colombia, and Venezuela all have a higher than average political risk compared with other South A
Jan 1, 1999
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Mine Exploitation
By Scott G. Britton
Mine exploitation is a broad subject whose focus is the technical skills or efforts needed for the extraction of mineral from a known ore body. Mine exploitation can be considered the very core of the
Jan 1, 2008
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Going green with mobile mining equipment
By Jake Gibson
"As one of the most pressing and important political debates of this century, climate change has captured global attention and is forcing governments to take action toward decreasing greenhouse gas (G
Jan 1, 2014
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Rheology of ore suspensions with fibrous minerals and its impact on flotation performance Mining, Metallurgy and Exploration
By P. Somasundaran, D. R. Nagaraj, Tarun Bhambani, P. Patra
Flotation separation and recovery of value minerals from ores containing fibrous silicate minerals are known to be quite challenging. Earlier studies have established that the metallurgical challenges