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Accelerating Tunnel Inspections Using Scanning TechnologyBy Nasri Munfah, Raymond E. Sandiford
"Superstorm Sandy (Sandy) created a storm surge that inundating many of the tunnels that pass beneath the Hudson and East Rivers. The tunnels are vital infrastructure links for the economy of New York
Jan 1, 2016
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Ground Control Analysis Of Multi-Slice Mining For Thick Western Coal Seams ? IntroductionBy T. Hackett
Western underground coal reserves are tremendous, but recovery in western seams can be poor because of mining problems caused by deep cover, geologic anomalies, and thick seams. For instance, many sea
Jan 1, 1987
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Advanced Technical Studies for Tunnel Enlargement in Hong KongBy Vincent Tricot, Daniel Altier, Roger Storry
"INTRODUCTION The Liantang / Heung Yuen Wai Boundary Control Point (BCP) project, located in the north-east New Territories of Hong Kong, will form the seventh land crossing between the Hong Kong Spec
Jan 1, 2016
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Statement Of Principles (e5860c82-4819-44f8-a64a-779d2f4e9550)By Aurel Goodwin
MSHA is the regulatory Agency which administers the Federal Mine Safety and Health Act. Although MSHA's principles largely derive from this Act, they do not exculsively derive from it. One might
Jan 1, 1981
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Human Relations (ea617e00-6e52-492f-b135-9ba8a7fafbe4)By J. Wes Blakely
In the mid-1950s the importation of foreign oil began to encroach on traditional coal markets such as railroad steam engine fuel, home heating, electrical generating plants, and others. Many of the sm
Jan 1, 1981
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Using The Bond Work Index To Measure Operating Comminution Efficiency (6a794b22-5282-4133-9c42-ddc4f98356e6)By C. A. Rowland
Comminution efficiency can be expressed in three different ways. Theoretical Efficiency: actual energy consumed, in a comminution machine compared to the theoretical energy required to make the size r
Jan 1, 1998
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Opencast Mining Of Brown Coal In Eastern Europe (53316393-306c-401a-9c67-5ad911520cfd)By Yoginder P. Chugh
Most mines are large producing 0-25 mmt annually. The coal is mine.) at depths ranging from .0-150 m 120-500 ft mining at 300 m .(,1000 ft) depth is anticipated in the future. Single and multiple seam
Jan 1, 1980
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Influence of mesh design and surface treatments on particle transport and fate in a vibration-enhanced flooded-bed dust scrubberBy Mahmud Esad Uluer, Aaron Noble
Respirable coal mine dust (RCMD) is one of the biggest occupational health hazards for underground coal miners. Coal extraction is a main source of RCMD. To prevent challenges related to RCMD from dev
Sep 1, 2024
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GilsoniteBy Harry D. Lewis
Gilsonite is a lustrous black material that can be easily crushed into a chocolate-colored powder. It is a solid but relatively soft, lightweight hydrocarbon that visually resembles the volcanic glass
Jan 1, 1994
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The Influence Of Petrofabrics On Blast Effects ? IntroductionBy Richard L. Ash
In many instances, blasting exerts the dominant control over the economics and safety of excavation, where the materials involved are too hard and tough to be fragmented efficiently by other means. Ho
Jan 1, 1965
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Environmental Aspects And The Feasibility Of Economic Recovery Of Metals And Energy From Coal Washer Waste DepositsBy John E. Edkins
Metal sulfides, chiefly pyrite and mFnor sphalerlte zssociated with che Herrin (No. 6) coal member of the Pennsylvania Carbondale Formation, have been concentrated in a coal refuse deposit in southern
Jan 1, 1981
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Personal Skills: Economic Analysis of Mineral and Energy InvestmentsBy Franklin J. Stermole
L. Alan Weakly, member SME, is a senior staff engineer, Exxon Co. Weakly chaired a Mining Engineering committee formed to solicit materials for six planned "personal skills" articles, to be used in ME
Jan 2, 1984
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Substitution of Water with CO2 in Fracturing of Coal Bed MethaneBy P. Munjal
"Usage of Supercritical CO2 in place of high pressure freshwater has proven to be a potential breakthrough in the technique of fracturing. Tapping of carbon footprints from feasible sources like indus
Jan 1, 2015
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Rehabilitation of Farnworth Tunnels - Modifying Victorian Tunnels for the 21st CenturyBy Eoin Murphy, Stephen Beauchamp, Steven Cowell
"INTRODUCTION Electrification of the heavily trafficked Manchester to Preston route by Network Rail required the rehabilitation of the Victorian era Farnworth Tunnels to accommodate 21st century high
Jan 1, 2016
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Bubble diameter estimation in a mechanically agitated flotation machineBy J. A. Finch
The photographic measurement of bubble diameter is tedious and restricted to vessels with transparent walls and relatively low bubble concentrations. A new method for predicting bubble diameter in a f
Jan 1, 1987
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Travelling in TurkeyBy F. Habashi
The peninsula that lies between the Black and Mediterranean seas, called Asia Minor by the Romans and Anatolia by the Greeks, was one of the crossroads of ancient civilizations. The fall of Constantin
Feb 23, 2014
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The Inevitability Of Ocean-Going Self Unloading Vessels In The Bulk Mineral TradesBy W. E. Bardelmeier
The high speed conveyor type self unloading bulk carrier concept has been around for about 70 years. Although the design was developed, refined and steadily improved in the Great Lakes, to date limit
Jan 1, 1979
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Thermal transformation of oxide and hydroxide minerals in chromite and manganese oresBy SUMANT KUMAR SAMAL, BHAGIRATHA MISHRA, MANOJA KUMAR MOHANTY, SUBASH CHANDRA MISHRA
Steelmaking consumes the majority of chromium and manganese ferroalloys for purposes such as to impart various properties to steel. The quality of ore governs the process kinetics as well as the proce
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Mineral Deposits Of The Cripple Creek District, Colorado (f5dece79-b22f-4d0e-b6ef-083594931594)By T. B. Thompson
The Cripple Creek diatreme-intrusive complex is known primarily for its vein telluride-gold ores and, for major veins, their great vertical range (>990m). Less well-documented are the ores dispersed i
Jan 1, 1991
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An Intelligent Task Control System For Dynamic Mining EnvironmentsAutomation and robotics are the keys to new intelligent autonomous mining systems which can remove operators from the hazardous and stressful mining environment and provide the tools for greater produ
Jan 1, 1994