Outburst Monitoring Using Microseismic Techniques in the Phalen Colliery, Sydney, Nova Scotia, Canada PDF Download
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Author: Publisher: ISBN: Category : Languages : en Pages : 8
Book Description
This paper summarizes past observations of outbursts in the coal mines of the Sydney field, Nova Scotia, along with research conducted to investigate the causes of the outburst phenomena. It also describes the intrinsically safe microseismic monitoring system installed at the Phalen mine, including design criteria, sensors, hardware, and software, along with seismic observations & signal processing results.
Author: Publisher: ISBN: Category : Languages : en Pages : 8
Book Description
This paper summarizes past observations of outbursts in the coal mines of the Sydney field, Nova Scotia, along with research conducted to investigate the causes of the outburst phenomena. It also describes the intrinsically safe microseismic monitoring system installed at the Phalen mine, including design criteria, sensors, hardware, and software, along with seismic observations & signal processing results.
Author: Publisher: ISBN: Category : Languages : en Pages : 213
Book Description
During the operating life of the no. 26 colliery of the Sydney coalfield, violent dynamic phenomena described as rock and gas outbursts occurred whenever sandstone erosion channels were located within 2.7 m of the coal seam. Although this colliery has been closed, the problem is considered serious and research has continued. This report forms a part of this continuing research program, addressing microseismic monitoring techniques for the prediction of rock and gas outbursts within the Sydney coalfield. The report discusses the interaction between coal and gas which produces outbursts, reviews the work undertaken on the outburst occurrences at no. 26 colliery and draws parallels between these outbursts and those in other countries. An overview of microseismic/acoustic monitoring is given, summarizing the systems identified with coal mining, hard rock mining and evaporite deposit mining. The report then describes a microseismic system designed for use within the Sydney coalfield which is divided into an overall mine environmental monitoring system and local arrays.
Author: Publisher: ISBN: Category : Languages : en Pages : 173
Book Description
Preliminary field trials were carried out to detect microseismic activity around roadway driveage operations at the Cape Breton Development Corp.'s Lingan Colliery in the Sydney Coalfield. The driveages of Lingan Colliery were approaching similar depths to the No 26 Colliery that had experienced several violent sandstone/gas outbursts during blasting when mining had approached within 2.7 m of a sandstone erosion channel at 700-800m. This project investigated the possibility that sandstone/gas bursts could occur (in the absence of blasting) through a mechanism resulting from microseismic activity and/or acoustic emission. A Roctest Geo-Monitor portable geophone and monitor was used to establish whether dynamic rock failure takes place in the rock at the Lingan faces during the advance of the faces by roadheader. A BMX blast monitor was used to record the characteristic ground motion during and after several blasts, including brushing blasts and updip development blasting, to detect any microseismic activity that may have been triggered as a result of the blasting.
Author: Golder Associates Publisher: ISBN: Category : Coal mines and mining Languages : en Pages : 173
Book Description
Preliminary field trials were carried out to detect microseismic activity around roadway driveage operations at the Cape Breton Development Corp.'s Lingan Colliery in the Sydney Coalfield. The driveages of Lingan Colliery were approaching similar depths to the No 26 Colliery that had experienced several violent sandstone/gas outbursts during blasting when mining had approached within 2.7 m of a sandstone erosion channel at 700-800m. This project investigated the possibility that sandstone/gas bursts could occur (in the absence of blasting) through a mechanism resulting from microseismic activity and/or acoustic emission. A Roctest Geo-Monitor portable geophone and monitor was used to establish whether dynamic rock failure takes place in the rock at the Lingan faces during the advance of the faces by roadheader. A BMX blast monitor was used to record the characteristic ground motion during and after several blasts, including brushing blasts and updip development blasting, to detect any microseismic activity that may have been triggered as a result of the blasting.
Author: Commonwealth Scientific and Industrial Research Organization (Australia). Division of Applied Geomechanics Publisher: ISBN: 9780643022867 Category : Acoustic emission Languages : en Pages : 58
Author: J.M. Galvin Publisher: Springer ISBN: 3319250051 Category : Science Languages : en Pages : 693
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
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Author: Golder Associates
Author: Commonwealth Scientific and Industrial Research Organization (Australia). Division of Applied Geomechanics
Author: J.M. Galvin