Collapses of old mines in Korea

Ground collapses over abandoned mines constitute a significant geohazard in Korea. Recent collapses at the Mookeuk, Chungyang and Toehyun mines provide examples of the failures of rock over old stopes, and of old backfill that had been placed in abandoned stopes. Micro-seismic monitoring by borehole...

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Bibliographic Details
Published inEngineering geology Vol. 118; no. 1; pp. 29 - 36
Main Authors Waltham, T., Park, H.D., Suh, J., Yu, M.H., Kwon, H.H., Bang, K.M.
Format Journal Article
LanguageEnglish
Published Kidlington Elsevier B.V 28.02.2011
Elsevier
Subjects
Abandoned
Abandoned mines
Applied sciences
Buildings. Public works
Collapse
Exact sciences and technology
Geohazard
Geotechnics
Grounds
Korea
Mine
Mines
Miscellaneous
Monitoring
Remediation
Rock
Rockfall
Soil mechanics. Rocks mechanics
Asia
South Korea
Korea
Korea, Rep
Collapse
Geohazard
Monitoring
Mine
Korea
Case study
Old mine
Risk analysis
Soil mechanics
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Summary:Ground collapses over abandoned mines constitute a significant geohazard in Korea. Recent collapses at the Mookeuk, Chungyang and Toehyun mines provide examples of the failures of rock over old stopes, and of old backfill that had been placed in abandoned stopes. Micro-seismic monitoring by borehole geophones is used to locate rockfalls within the Keumgok mine in order to design appropriate remedial filling. The government's Mine Reclamation Corporation has an ongoing programme of documentation and remediation of the old mines. ►We describe ground collapses over three abandoned mines. ►Failures are of rock over old stopes, and of old backfill in abandoned stopes. ►Micro-seismic monitoring is used to locate rockfalls within another mine. ►We consider the suitability of remediation and site development.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
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ISSN:0013-7952
1872-6917
DOI:10.1016/j.enggeo.2010.11.007