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Planning and Fast Track Tunnel Design in Historical Downtown Charleston
By James McKelvey, Larry Drolet, Jason Swartz
INTRODUCTION When divers discovered that sections of a tunnel housing the pipeline that conveys wastewater from the Charleston Peninsula to the Plum Island Wastewater Treatment Facility had caved
Jan 1, 2005
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Daniel Island Surprise?Sand Lens Lurking In Cooper MARL, Charleston, SC
By Ray Brainard
Charleston Water System?s Daniel Island Extension Tunnel, initially thought to be the simplest of the four replacement tunnels to design and build, became the most challenging after the discovery of a
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Instrumentation Of Open Cut Subway Excavation For The Metropolitan Atlanta Rapid Transit Authority (MARTA)
By Rodney K. Morrison
MARTA, The Metropolitan Atlanta Rapid Transit Authority, is building a 53 mile heavy rail transit system to serve the City of Atlanta. Phase A of the Rail System, consisting of approximately 14 miles
Jan 1, 1979
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Practical Challenges For The Mine: Precious Metals Accounting And Reconciliation
By Will Jansen
When Enron rocked the United States with its Titanic-sized financial accounting scandal, miners and metallurgists were probably too busy on the mine sites in remote locations to wonder about its rippl
Jan 1, 2009
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Review of Issues Related to Cerchar Abrasivity Testing and Their Implications on Geotechnical Investigations and Cutter Cost Estimates
By Jamal Rostami, Levent Ozdemir, Amund Bruland, Filip Dahl
Cerchar Abrasivity Index (CAI) is one of the commonly used tests to evaluate rock abrasiveness for cutter life/cost estimations of TBM projects. There are at least 3 style machines, 2 different pin ha
Jan 1, 2005
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North American Tunneling 2010 Conference Highlights
Even though the economy of the United States remains in recession ? or not, depending on which economist you listen to ? muicipalities still need improved transportation, water and wastewater transit
Jan 1, 2010
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The Role Of Occupational Health & Safety Management Systems In Implementing Best Management Practices For Self-Monitoring Programs In Mining Operations ? Introduction
By A. Korchevisky
Environmental self-monitoring is one of the advanced approaches for industrial sustainability programs. Organization for Economy Cooperation and Development (OECD) defines self-monitoring as ?the syst
Jan 1, 2012
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Optimising Collector Performance In The Production Of High Grade PGM Concentrates - Preprint 09-115
By J. Wiese
Recently the operating philosophy at concentrators processing platinum bearing ores has started to move from a recovery dominated system to one in which the production of high grade concentrates at th
Jan 1, 2009
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Investigations on the Charge Motion and Breakage Effect of the Magnetic Liner Mill Using DEM Mining, Metallurgy and Exploration (9cf37b4b-e4a2-4dea-af46-58cb4a935ca1)
By Jue Kou, Lei Yu, Bern Klein, Lusheng Zhou, Chunbao Sun, Genzhuang Li, Reem Roufail, Amit Kumar
Magnetic liners can improve the performance of ball mills by increasing grinding efficiency, extending service life, and reducing maintenance costs. Despite their importance, the fundamental understan
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Investigations on the Charge Motion and Breakage Effect of the Magnetic Liner Mill Using DEM
By Jue Kou, Lei Yu, Bern Klein, Lusheng Zhou, Chunbao Sun, Genzhuang Li, Reem Roufail, Amit Kumar
Magnetic liners can improve the performance of ball mills by increasing grinding efficiency, extending service life, and reducing maintenance costs. Despite their importance, the fundamental understan
Jun 12, 2019
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Investigations on the Charge Motion and Breakage Effect of the Magnetic Liner Mill Using DEM Mining, Metallurgy and Exploration
By Jue Kou, Lei Yu, Bern Klein, Lusheng Zhou, Chunbao Sun, Genzhuang Li, Reem Roufail, Amit Kumar
Magnetic liners can improve the performance of ball mills by increasing grinding efficiency, extending service life, and reducing maintenance costs. Despite their importance, the fundamental understan
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Hecla Mining Company 125 Years Since 1891
"2016 marks an amazing accomplishment in the mining industry as Hecla Mining Company celebrates its 125th anniversary. Mining Engineering sat down with Hecla chief executive officer Phil Baker to gain
Jun 1, 2016
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Rare Earths in Review - A Decade of Decline & Deception
"How Wall Street Darling Molycorp Undermined the U.S. Economy, Degraded our National Security and Distorted the Global Economic Balance and How These Falsehoods Continue to be Promoted Even Today INTR
Jan 1, 2017
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Underground Mining: Challenges And Solutions In Subsidence Perspective (d1803fca-596b-4cc5-8f04-4e52c00599a3)
By S. K. Singh
To meet increasing demand of coal, underground mining is largely being replaced by the exploitation at deeper horizons and with greater complexities. The exploitation-proposition may be below not-to-b
Jan 1, 1999
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Rehabilitation of a Brick-Lined Aqueduct
By Taehong Kim, Carl Pannuti, Nikolas Sokol, Walter Herrick
BACKGROUND This paper discusses work performed as part the rehabilitation of the gravity flow section of the New Croton Aqueduct (NCA) during an approximately two year period between 2004 and 2006
Jan 1, 2007
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Banquet, Train Ride Highlight Hall of Fame Weekend
By Tim O’Neil
Dressed in black tie and Victorian attire, some 200 people came to Leadville, CO, for a September weekend featuring a National Mining Hall of Fame and Museum (NMHF&M) induction banquet and a scenic mo
Jan 1, 2005
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New Miner Training for the 21st Century
By Daniel H. McClain
A unique partnership between the Colorado Mine Safety and Training Program (CMSTP), the Colorado Rock Products Association (CRPA) and the Higher Education and Advanced Technology (HEAT)Center resulted
Jan 1, 2003
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Developing Trees Tolerant to Degraded Mine Soils in an Underground Greenhouse Mining, Metallurgy and Exploration
By Michael Kukay, Paul Conrad, Cosmas Opoku-Ware
This project is exploring the potential for developing trees tolerable to degraded un-reclaimed mine site soils and tailings as a solution to re-establishing long-term tree growth on those sites. The
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Queens Bored Tunnels, East Side Access, New York
By David Smith, Bernie Martin
The Queens Bored Tunnels consist of 11,000 feet of 19'-6" inside diameter tunnels mined through rock, mixed face and dense glacial till, constructed with bolted gasketed one pass reinforced concr
Jan 1, 2005
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Moving Forward on New York’s Second Avenue Subway
By David Caiden, Geoffrey Fosbrook, Jaidev Sankar, Donald Phillips, Jon Hurt, Anil Parikh
This paper will cover the progress being made on Phase 1 of New York’s Second Avenue Subway line. It will include a description of construction progress on the first contract to be let, which consists
Jan 1, 2007