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Application of Fuzzy Reasoning Method for Prediction of Subsidence Occurrences in Abandoned Mine Area  

Choi, Sung-O. (강원대학교 공과대학 지구시스템공학과)
Kim, Jae-Dong (강원대학교 공과대학 지구시스템공학과)
Choi, Gwang-Su (한국광해관리공단 광해기술연구소 암반공학팀)
Publication Information
Tunnel and Underground Space / v.19, no.5, 2009 , pp. 463-472 More about this Journal
Abstract
Many old domestic mines were excavated with the room and pillar method or the sublevel caving method and they involve the great possibility of surface subsidence, especially in the shallow depth mines. In most of these cases, the mine roadways and openings are very irregular in shape and the information about the local geology is uncertain. Consequently it is not simple to standardize the estimation method for the possibility of subsidence, especially the sinkhole subsidence. In this study, the fuzzy reasoning method has been applied for development of estimating the possibility of subsidence occurrence in abandoned mine area. This method has the advantage in producing the reliable estimation results with a simple performance procedure even when the precise information on the local geology and mining conditions is rare. For the verification of applicability of this method, the developed method has been applied to Kumho mine in Bonghwa, Kyungbook province and the Choong-ju mine in Iryu, Choongbook province where the surface subsidence occurred already.
Keywords
Surface subsidence; Fuzzy reasoning; Sinkhole;
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