Download or read book Studies of Stope scale Seismicity in a Hard rock Mine written by Robert L. Kranz and published by . This book was released on 1995 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Studies of Stope scale Seismicity in a Hard rock Mine written by Robert L. Kranz and published by . This book was released on 1994 with total page 27 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Characteristics of Mining induced Seismicity and Rock Bursting in a Deep Hard rock Mine written by Peter L. Swanson and published by . This book was released on 1991 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Statistical Evaluation and Time Series Analysis of Microseismicity Mining and Rock Bursts in a Hard rock Mine written by Jennifer S. Riefenberg and published by . This book was released on 1991 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Characteristics of Mining induced Seismicity and Rock Bursting in a Deep Hard rock Mine written by Peter L. Swanson and published by . This book was released on 1991 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Seismic Monitoring in Mines written by A.J. Mendecki and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt: Routine seismic monitoring in mines was introduced over 30 years ago with two main objectives in mind: • immediate location of larger seIsmIC events to guide rescue operations; • prediction of large rockmass instabilities. The first objective was achieved fairly quickly, but with the subsequent development of mine communication systems, its strategic importance has diminished. The very limited success with prediction can, at least partially, be attributed to three factors: • seismic monitoring systems based on analogue technology that provided noisy and, frequently, poorly calibrated data of limited dynamic range; • the non-quantitative description of a seismic event by at best its local magnitude; and • the resultant non-quantitative analysis of seismicity, frequently through parameters of some statistical distributions, with a somewhat loose but imaginative physical interpretation. The introduction of modern digital seismic systems to mines and progress in the theory and methods of quantitative seismology have enabled the implementation of realtime seismic monitoring as a management tool, quantifying rockmass response to mining and achieving the first tangible results with prediction. A seismic event, being a sudden inelastic deformation within the rockmass, can now routinely be quantified in terms of seismic moment, its tensor, and radiated seismic energy, so that the overall size of, and stress released at, the seismic source can be estimated.

Download or read book Seismic Signals from Mining Operations and the Comprehensive Test Ban Treaty written by National Research Council and published by National Academies Press. This book was released on 1998-08-16 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Rockbursts and Seismicity in Mines 93 written by R. Paul Young and published by CRC Press. This book was released on 1993-01-01 with total page 472 pages. Available in PDF, EPUB and Kindle. Book excerpt: These proceedings include the latest developments in research and practice in the area of mining-induced seismicity. Three themes are explored: strong ground motion and rockburst hazard; mechanics of seismic events and stochastic methods; and monitoring of seismicity and geomechanical modelling.

Download or read book New Publications written by United States. Bureau of Mines and published by . This book was released on 1987 with total page 654 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Seismicity in Mines written by G. Gibowicz and published by Birkhäuser. This book was released on 2012-12-06 with total page 391 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recent seismological research has focused on processes other than pure shear failure (double-couple) as an alternative mechanism for some types of seismic events. This has been stimulated by what appears to be anomalous focal mecha nisms observed for several earthquakes of possible volcanic nature in the 1980 Mammoth Lakes, California sequence (JULIAN and SIPKIN, 1985; SIPKIN, 1986). Although studies have concentrated on earthquakes associated with magmatic processes, possible non-double-couple seismic failure has been observed, but not widely known, in cases of mine seismicity in the past three decades. Such cases have occurred on a world-wide basis; however, no cases until now have been observed in the United States. The existence of non-double-couple failure in mine seismicity has been controversial as it has been for tectonic/volcanic earthquakes. Several of the benchmark studies of mine seismicity in the deep South African gold mines have resulted in the belief that no fundamental distinction in the source mechanism exists between tectonic earthquakes and rock bursts (MCGARR, 1984); both types of events are the result of pure shear failure. However, the reported cases of implo sional focal mechanisms for mine seismicity continue to increase in number and prolong the controversy. During the summer of 1984, a three-dimensional, high resolution micro earthquake network was operated by Woodward-Clyde Consultants (WCC) in the vicinity of two coal mines beneath Gentry Mountain in the eastern Wasatch Plateau of central Utah.

Download or read book Seismicity Caused by Mines Fluid Injections Reservoirs and Oil Extraction written by Shahriar Talebi and published by Birkhäuser. This book was released on 2012-12-06 with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt: The perturbation of the earth by mankind causes earthquakes in a variety of situations. This phenomenon continues to be a major concern to engineers and scientists concerned with the mitigation of the consequences of this seismicity, as well as better understanding the processes at its origin. The present volume contains twelve papers from six countries, dealing with observations of triggered and induced seismicity in four continents. The reported cases include seismicity due to hard-rock mines, coal mines, underground research facilities for nuclear waste disposal, water injections, reservoirs, acquifers and oil fields. This volume provides case studies of previously unavailable observations of this phenomenon, investigations of the cause and source mechanism of seismic events, studies of source location distributions, determinations of seismic source parameters, cases of the use of such parameters in assessing rockburst hazard in mines, and measurements of velocity an attenuation properties of rock masses. The present collection of papers provides an excellent indication of the current state of the art and new developments in this area of research.

Download or read book Monthly Catalog of United States Government Publications written by and published by . This book was released on 1997-07 with total page 764 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Prediction of Failures in Mines written by Bruce T. Brady and published by . This book was released on 1978 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Report of Investigations written by and published by . This book was released on 1978 with total page 666 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Thermodynamic properties of NiBr2 and NiSO4 from 10 to 1 200 K written by J. M. Stuve and published by . This book was released on 1978 with total page 448 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Rock Mass Response to Mining Activities written by Tadeusz Szwedzicki and published by CRC Press. This book was released on 2018-06-14 with total page 211 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mining activities may result in rock mass deterioration and instability that may lead to failure both in underground and open pit mines. Such deterioration represents a safety risk and may result in substantial financial losses. Rock mass response may lead to ground subsidence, fall of ground/caving, inundation, pillar collapse, seismic activities and slope and tailings dam instability. Each response is preceded by warning signs and precursors, which are identified in this book, with a view to providing guidelines for prediction and amelioration of damage to mining structures. Furthermore, case studies of both large scale ground deterioration leading to collapse and geotechnical mine disasters are presented. Identifying risks and monitoring geotechnical precursors and warning signs allows for safe and productive mining.

Download or read book Rockbursts and Seismicity in Mines 93 written by R.Paul Young and published by Routledge. This book was released on 2022-05-05 with total page 462 pages. Available in PDF, EPUB and Kindle. Book excerpt: These proceedings include the latest developments in research and practice in the area of mining-induced seismicity. Three themes are explored: strong ground motion and rockburst hazard; mechanics of seismic events and stochastic methods; and monitoring of seismicity and geomechanical modelling.