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Development of Subsidence Hazard Estimation Method Based on the Depth of Gangway  

Jung, Yong-Bok (한국지질자원연구원 지반안전연구부)
Song, Won-Kyong (한국지질자원연구원 지반안전연구부)
Kang, Sang-Soo (한국지질자원연구원 지반안전연구부)
Publication Information
Tunnel and Underground Space / v.18, no.4, 2008 , pp. 272-279 More about this Journal
Abstract
This paper describes the development of a simple and quantitative subsidence hazard estimation method appropriate to Korean coal mines using gangway depth information only. In spite of simpleness of estimation method, this new method gives good results close to those obtained using influence function method when applying to a virtual rectangular excavation model and to a closed mine where actual subsidence occurred. Therefore, this method can be effectively applied to the identification of zones liable to subsidence over closed coal mine in Korea where the shape of extraction is very complex and usually unknown.
Keywords
closed mine; subsidence; subsidence hazard estimation; depth of gangway;
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Times Cited By KSCI : 1  (Citation Analysis)
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