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A Study on the Determination of Grout Injection Volume according to the Angle of Mine Cavity  

Lee, Byung-Yoon (서울대학교 에너지시스템공학부)
Jeon, Seok-Won (서울대학교 에너지시스템공학부)
Kim, Tae-Hyun (서울대학교 에너지시스템공학부)
Cho, Jung-Woo (서울대학교 에너지시스템공학부)
Kim, Kwan-Il ((주)유니온)
Kim, Tae-Hyok (한국광해관리공단)
Kim, Soo-Lo (한국광해관리공단)
Publication Information
Tunnel and Underground Space / v.19, no.2, 2009 , pp. 107-122 More about this Journal
Abstract
Insufficient reinforcement for maximizing payability and benefits in mining cavities causes subsidence problems and it threatens residents' lives and properties. So many reinforcement management methods are developed and now various methods are being applied in the field. Among them, a filling method which sends reinforcement materials in the cavities is used extensively. However, domestic geological condition and coal mining methods are so complicate that make many steep cavities. Because of those problems, it is difficult to apply foreign methods directly, which is valid for horizontal cavities. In this study, the injection volume of quick setting grouting material which is developed for filling cavities in domestic condition and the shape of consolidated bodies are investigated. And a programming method for estimating proper injection amounts of filling materials is proposed. The results are verified by numerical analysis using UDEC.
Keywords
Mine cavity; Subsidence; Filling method; Steep cavity; Graphical method; UDEC;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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