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Monitoring, Assessment, Prevention and Mitigation of Rock Burst and Gas Outburst Hazards in Coal Mines (MAPROC)
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Monitoring, Assessment, Prevention and Mitigation of Rock Burst and Gas Outburst Hazards in Coal Mines (MAPROC)

Final report

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The main objective of MapROC project has been to field test and develop a number of rock burst and gas outburst prevention techniques based on stress and pressure relief principles and evaluate their performance through continuous microseismic monitoring at mine sites. It was established that large diameter stress and gas pressure relief boreholes used at barrier pillars, and the borehole blasting practices extensively tested at Coal Mine Velenje were very effective. As a result, these measures have now entered in Coal Mine Velenje’s statutes and will be implemented at all development sites against increased rock burst hazards. Extensive field microseismic monitoring carried out at two mines and near-real-time assessment of this data on a weekly basis led to the development of a number of risk assessment techniques which were validated for their future use by the industry. A catalogue of short term risk evaluation models aiming at forecasting the risk levels of rock bursts and coal and gas outbursts in terms of different evaluation indices. Furthermore, a number of numerical modelling methods were also developed and validated. Utilising all the learnings from MapROC, a generic risk assessment methodology was developed and validated using to a representative number of mining scenarios utilising site-specific data and the laboratory and field studies conducted in the MapROC project. The generic methodology is believed to be applicable to most European coal mines with different geological and mining conditions. The state-of-the-art best technologies report describing the monitoring, assessment, prevention and mitigation of rock burst and gas outburst hazards in coal mines can be used by the industry in Europe and internationally.
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ISSN 1831-9424
ISBN 978-92-76-42041-5
DOI 10.2777/865442
Katalognummer KI-NA-30854-EN-N
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ISSN 1831-9424 ISBN 978-92-76-42041-5 DOI 10.2777/865442 Katalognummer KI-NA-30854-EN-N
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