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http://dx.doi.org/10.9720/kseg.2020.4.497

A Study on the Cause Analysis of the Ground Subsidence in Limestone Mine  

Lee, Sangeun (Department of Energy and Resources Engineering, Kangwon National University)
Jeong, Gyo-Cheol (Department of Earth and Environmental Sciences, Andong National University)
Publication Information
The Journal of Engineering Geology / v.30, no.4, 2020 , pp. 497-514 More about this Journal
Abstract
This study investigated the causes of large-scale ground subsidence in the upper part of mining cavities of the Samdo limestone mine, Samcheok city, Gangwondo, Korea. Geological and electrical resistivity surveys were undertaken on the collapsed slope of the mountain and in the mine tunnel where subsidence occurred, with geotechnical evaluations and numerical analysis. It is concluded that wide mining cavities, with irregular pillars in unstable rock masses hosting discontinuities, weathered over time, resulting in subsidence occurring along a fault plane due to increasing ground stress.
Keywords
limestone mine; ground subsidence; geological investigation; numerical analysis; fault plane;
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Times Cited By KSCI : 2  (Citation Analysis)
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