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Role of Quality Assurance in Manufacturing of Mining EquipmentCoal Mining machinery has undergone enormous changes in design and complexity of controls in the past 10 years. Specialised, high productivity equipment has been manufactured in Australia, in sufficie
Jan 1, 1991
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OFR-43(2)-77 Mine Fire Protection For Underground Storage Areas - IntroductionLarge quantities of combustible materials are often found in underground metal and nonmetal mines, with support timber predominating. Wood lagging and timber, wires and cables, brattice cloth, hose, p
Jan 1, 2011
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Proceedings Of Earth Retention Systems 2003: A Joint Conference - Earth Retention Systems In The Urban Environment - Special ConsiderationsBy George J. Tamara
The urban environment presents special challenges for the design and construction of earth retention systems. Complications arising from difficult subsurface conditions are compounded by the presence
Jan 1, 2003
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Voith TPKL Fill Control Coupling: Capabilities, Performance, and ReliabilityBy Roland Hoet
Mine operators, conveyor system designers, consultants, and manufacturers have had opportunities over the past decade to utilize various actively controlled technologies to drive complex underground c
Jan 1, 2004
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Reservoir Engineering – Laboratory Research - An Evaluation of the Procedures Used in the Determination of the Grain Densities of Petroleum Reservoir MineralBy C. S. Brooks
Several of the commonly used methods for deter-mination of effective grain densities of minerals have been evaluated for accuracy and precision, and their applicability to various types of petroleum r
Jan 1, 1958
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Reservoir Engineering – Laboratory Research - An Evaluation of a Gas Drive Method for Determining Relative Permeability RelationshipsBy D. R. Parrish, W. E. Lamoreaux, W. W. Owens
Several methods are now being used by the industry for determining the gas-oil flow characteristics of reservoir rock samples. Most of the laboratory experirnerltal rlzethods can be classified either
Jan 1, 1957
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PS4/USBM 4204 - Dust Center Project Reports - Characterization of the Mechanism of Lung InjuryBy G. L. Bartlett
"INTRODUCTION The major objective of our research is to help reduce the incidence and severity of coal worker's pneumoconiosis (CWP). To that end, this project is designed to improve our understanding
Jan 1, 1988
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Dynamic Loading Mechanism and Stability Control of Gob‑Side Entry Retaining with Thick and Hard Roof: Insights from Numerical Simulation and Field Test - Mining, Metallurgy & Exploration (2023)By Weijian Yu, Jianbiao Bai, Jinlin Xin, Shiqiang Xu, Shuai Yan, Zizheng Zhang, Hai Wu
The retained roadway subjected to dynamic loading from thick and hard roof (THF) fracturing caused severe deformations in the thick coal seam (TCS). Understanding the dynamic loading mechanism of gob-
Feb 23, 2023
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A Bigger Pump Is Not Always The AnswerBy Russ Darr
New methods and techniques in the field of hydrogeology are being developed constantly. One of these advances has been brought about through the use of inexpensive microcomputers. The formulas used in
Jan 1, 1980
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Increased productivity with AC drives for mining excavators and haul trucksBy G. M. Brown, B. J. Ebacher, W. G. Koellner
Introduction There is a continual economic push to increase the productivity of mobile material handling equipment used in open pit mines. This includes the largest electrical machines: excavators
Sep 1, 2001
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Iron and Steel Division - The Thermodynamics of Solid Iron at Elevated TemperaturesBy Philip D. Anderson, Ralph Hultgren
Heat contents of extremely pure iron were measured over the range 300"to 1433"K, using a diphenyl ether calorimeter. Results from three samples containing widely differing impurities agreed with one a
Jan 1, 1962
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Surface and Hybrid Mining: Aqueous Extraction MethodsBy W. J. Schitt
Section 15 covers a loose collection of topics that involve water in some way. The chapters in this section include Dredge and Placer Mining (Chapter 15.1), Solution Mining: Surface Techniques (Chapte
Jan 1, 2008
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Crushing And Grinding - IntroductionBy John Gross
From the time when man first pounded one rock upon another or used heat and sudden chilling with water to disintegrate rock, the art of crushing advanced but slowly to the mule-driven arrastre and the
Jan 1, 1938
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OFR-108-77 The Effect Of Organizational Climate And Policy On Coal Mine SafetyBy Mark S. Sanders
The present study was designed to explore the contribution of organizational climate and management practices to the injury experience in underground coal mines. A cross-lagged panel design was used i
Jan 1, 1976
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Critical process design considerations from test work to operationsBy A Dennis, T Hunter, R Coleman
For metallurgical plant design, it is necessary to progress through successive phases of test work, piloting and process development before involving all the other engineering disciplines and “freezin
Sep 11, 2017
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Computerized Maintenance System At The Carol ProjectBy C. Jardine
The concept of the system is to minimize costly unscheduled breakdowns of equipment by replacing components earlier than their "life" expectancy. Periodic unit services are scheduled according to pre
Jan 1, 1979
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Locating Pre-Slide Topography Using Site Investigation Data, Case Study of the Maskun Landslide, IranBy V. Maazallahi, A. Rouleau, A. Saeidi
"The geometry of the terrain topography before and after the failure are the essential factors for analyzing a landslide and for the design of remedial works. This paper presents a method to determine
Jan 1, 2015
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Papers - - Production Engineering - Interpretation of Well Test Data in Gas-condensate Fields (TP 2053, Petr. Tech., July 1946)By J. O. Lewis
The operation of gas-condensate fields is comparatively new and involves physical principles with which the industry was not prcviously familiar. It has been necessary to devise methods for testing ga
Jan 1, 1947
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Papers - - Production Engineering - Interpretation of Well Test Data in Gas-condensate Fields (TP 2053, Petr. Tech., July 1946)By J. O. Lewis
The operation of gas-condensate fields is comparatively new and involves physical principles with which the industry was not prcviously familiar. It has been necessary to devise methods for testing ga
Jan 1, 1947