Method of Underground Mining by Pillar Extraction

Method of Underground Mining by Pillar Extraction PDF Author: R.J. Bowen
Publisher:
ISBN:
Category : Caving mining
Languages : en
Pages : 6

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Method of Underground Mining by Pillar Extraction

Method of Underground Mining by Pillar Extraction PDF Author: R.J. Bowen
Publisher:
ISBN:
Category : Caving mining
Languages : en
Pages : 6

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Coal

Coal PDF Author: National Research Council
Publisher: National Academies Press
ISBN: 0309134137
Category : Science
Languages : en
Pages : 182

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Book Description
Coal will continue to provide a major portion of energy requirements in the United States for at least the next several decades. It is imperative that accurate information describing the amount, location, and quality of the coal resources and reserves be available to fulfill energy needs. It is also important that the United States extract its coal resources efficiently, safely, and in an environmentally responsible manner. A renewed focus on federal support for coal-related research, coordinated across agencies and with the active participation of the states and industrial sector, is a critical element for each of these requirements. Coal focuses on the research and development needs and priorities in the areas of coal resource and reserve assessments, coal mining and processing, transportation of coal and coal products, and coal utilization.

Method of Underground Mining by Pillar Extraction

Method of Underground Mining by Pillar Extraction PDF Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :

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Book Description
A method of sublevel caving and pillar and top coal extraction for mining thick coal seams includes the advance mining of rooms and crosscuts along the bottom of a seam to a height of about eight feet, and the retreat mining of the top coal from the rooms, crosscuts and portions of the pillars remaining from formation of the rooms and cross-cuts. In the retreat mining, a pocket is formed in a pillar, the top coal above the pocket is drilled, charged and shot, and then the fallen coal is loaded by a continuous miner so that the operator remains under a roof which has not been shot. The top coal from that portion of the room adjacent the pocket is then mined, and another pocket is formed in the pillar. The top coal above the second pocket is mined followed by the mining of the top coal of that portion of the room adjacent the second pocket, all by use of a continuous miner which allows the operator to remain under a roof portion which has not been shot.

Underground Mining Methods

Underground Mining Methods PDF Author: W. A. Hustrulid
Publisher: SME
ISBN: 0873351932
Category : Technology & Engineering
Languages : en
Pages : 736

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Book Description
Underground Mining Methods presents the latest principles and techniques in use today. Reflecting the international and diverse nature of the industry, a series of mining case studies is presented covering the commodity range from iron ore to diamonds extracted by operations located in all corners of the world. Industry experts have contributed 77 chapters. This book is certain to become a standard for every practicing mining engineer and student alike. Sections include: General Mine Design Considerations, Room-and-Pillar Mining of Hard Rock/Soft Rock, Longwall Mining of Hard Rock, Shrinkage Stoping, Sublevel Stoping, Cut-and-Fill Mining, Sublevel Caving, Panel Caving, Foundations for Design, and Underground Mining Looks to the Future.

Advanced Mine Ventilation

Advanced Mine Ventilation PDF Author: Pramod Thakur
Publisher: Woodhead Publishing
ISBN: 0081004583
Category : Technology & Engineering
Languages : en
Pages : 530

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Book Description
Advanced Mine Ventilation presents the reader with a unique book providing the theory and applications for designing mine ventilation with computers, controlling respirable coal dust and diesel particulate matter, combustible gas control and, mine fire management. The book summarizes the latest knowledge created in the past 40 years in these areas. Authored by an expert in the field with 50 years' experience, the book is a great combination of theory and applications. The mine ventilation section provides computer programs (both FORTRAN and C++) to calculate not only air quantities and pressure losses but also the concentration of any pollutant in all junctions and branches of the mine network. Small particle mechanics and dust control is covered in the second section of the book. The third section on combustible gas control discusses all aspects of mine gases from origin to control. The last section on mine fire control discusses spontaneous combustion, frictional ignitions, mine explosions, and mine sealing and recovery. The book is not only a very good reference book but also an excellent textbook for two graduate level courses in Mining Engineering. Provides the latest knowledge on the four related topics of mine environment control; that is, ventilation, dust, gas, and fire in a single volume Computer simulation of mine ventilation in both FORTRAN and C++ State-of-the-art respirable dust control Mine degasification and methane production from a coal lease Mine fire management

Ground Engineering - Principles and Practices for Underground Coal Mining

Ground Engineering - Principles and Practices for Underground Coal Mining PDF Author: J.M. Galvin
Publisher: Springer
ISBN: 3319250051
Category : Science
Languages : en
Pages : 693

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Book Description
This book teaches readers ground engineering principles and related mining and risk management practices associated with underground coal mining. It establishes the basic elements of risk management and the fundamental principles of ground behaviour and then applies these to the essential building blocks of any underground coal mining system, comprising excavations, pillars, and interactions between workings. Readers will also learn about types of ground support and reinforcement systems and their operating mechanisms. These elements provide the platform whereby the principles can be applied to mining practice and risk management, directed primarily to bord and pillar mining, pillar extraction, longwall mining, sub-surface and surface subsidence, and operational hazards. The text concludes by presenting the framework of risk-based ground control management systems for achieving safe workplaces and efficient mining operations. In addition, a comprehensive reference list provides additional sources of information on the subject. Throughout, a large variety of examples show good and bad mining situations in order to demonstrate the application, or absence, of the established principles in practice. Written by an expert in underground coal mining and risk management, this book will help students and practitioners gain a deep understanding of the basic principles behind designing and conducting mining operations that are safe, efficient, and economically viable. Provides a comprehensive coverage of ground engineering principles within a risk management framework Features a large variety of examples that show good and poor mining situations in order to demonstrate the application of the established principles in practice Ideal for students and practitioners About the author Emeritus Professor Jim Galvin has a relatively unique combination of industrial, research and academic experience in the mining industry that spans specialist research and applied knowledge in ground engineering, mine management and risk management. His career encompasses directing ground engineering research groups in South Africa and Australia; practical mining experience, including active participation in the mines rescue service and responsibility for the design, operation, and management of large underground coal mines and for the consequences of loss of ground control as a mine manager; appointments as Professor and Head of the School of Mining Engineering at the University of New South Wales; and safety advisor to a number of Boards of Directors of organisations associated with mining. Awards Winner of the ACARP Excellence Research Award 2016. The Australian Coal Industry's Research Program selects recipients to receive ACARP Research and Industry Excellence Awards every two years. The recipients are selected on the recommendation of technical committees. They are honored for achievement of a considerable advance in an area of importance to the Australian coal mining industry. An important criterion is the likelihood of the results from the project being applied in mines. Winner of the Merv Harris Award from the Mine Managers Association of Australia. The Merv Harris Award is named for Merv Harris who donated money to be invested for a continuing award in 1988. With the award, the Mine Managers Association of Australia honors members of the Association who demonstrate technical achievement in the Australian Coal Mining Industry. The first award was granted in 1990, since then, only two people have received this honor. The book has received the following awards.... AGS (Australian Geomechanics Society) congratulates Dr Galvin for these awards

Methods of Development and Pillar Extraction in Mining the Pittsburgh Coal Bed in Pennsylvania, West Virginia, and Ohio

Methods of Development and Pillar Extraction in Mining the Pittsburgh Coal Bed in Pennsylvania, West Virginia, and Ohio PDF Author: James Washington Paul
Publisher:
ISBN:
Category : Coal mines and mining
Languages : en
Pages : 76

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Advances in Coal Mine Ground Control

Advances in Coal Mine Ground Control PDF Author: Syd S. Peng
Publisher: Woodhead Publishing
ISBN: 0081012802
Category : Technology & Engineering
Languages : en
Pages : 463

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Book Description
Advances in Coal Mine Ground Control is a comprehensive text covering all recent advances in coal mine ground control, the most advanced subsystem of the rapidly advancing coal mining systems. This complete resource is written by Professor Syd Peng who, alongside leading experts from the world’s major coal producing countries, has contributed extensively to the understanding of subsidence from underground coal mining, longwall operations and ground control in underground mines. Syd and the team of contributors bring together key advances from the past decade into one comprehensive resource that is accessible to all those studying, researching and working in the mining industry. This book is an essential text for undergraduate and graduate students of mining engineering and related programs, and a must-have reference for mining, civil and geotechnical engineers. Written and edited by the world’s leading experts on ground control in coal mining Covers all aspects of ground control practices in coal mines Focuses on advances over the past decade, equipping readers with the most up-to-date knowledge regarding current research and practices in the field

Cut-and-fill Stoping

Cut-and-fill Stoping PDF Author: Charles H. Johnson
Publisher:
ISBN:
Category : Stoping (Mining)
Languages : en
Pages : 100

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Study of Methods to Improve Pillar Extraction Practices in Underground Coal Mines

Study of Methods to Improve Pillar Extraction Practices in Underground Coal Mines PDF Author: J.J. Davis Associates
Publisher:
ISBN:
Category : Coal mines and mining
Languages : en
Pages :

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