Fig. 1. Case of sinkhole occurrence(Kim, 2016)
Fig. 2. Process of sinkhole generation
Fig. 3. Soil profile in research area
Fig. 4. Watershed of surface water in modeling region(MOLIT, 2014)
Fig. 5. Setup of wide area groundwater flow modeling
Fig. 6. Result of wide area groundwater flow modeling
Fig. 7. Optimum scale ground flow modeling
Fig. 8. Result of optimum scale ground flow
Table 1. List of sinkhole occurrence in Seoul(Kim, 2016)
Table 2. Profile of ground in research area(KSCE, 2015)
Table 3. hydraulic conductivity
참고문헌
- 김창룡(2012), 대심도 지하도로 설계기준 제정 연구, Report, Korea Institute of Construction Technology.
- Chung, S. O. (1994), Optimal Management and Quality Protection of Groundwater Resources, Journal of Korean National Committee on Irrigation and Drainage, Vo. 1, No. 2, pp. 60-70.
- Kim, Chang Hee(2016), A Study on the Cause Analysis and Countermeasures of the Urban Sinkhole, MS. Thesis, Kyonggi University.
- Leake, S.A., Lilly, M.R., (1997), Documentation of a program FHBI for assignment of transient specified-flow and specified-head boundaries in applications of the modular finite-difference groundwater flow model(MODFLOW). US Geological Survey Open-File Report 97-571, pp.50.
- Jung, S. K., Jeon, J. S., Lee, S. and Shim, T. S. (1999), A Confidence Analysis on the Control Value of Braced Excavation Walls Used In Korea, Journal of the Korean Society of Civil Engineers, Vol. 19, No. 3-3, pp. 479-487.
- Kim, S. Y. (2015), Environmental Impact Assessment and Prevention of Urban "Sinkholes", Working Paper 2015-01, Korea Environment Institute, pp. 1-68.
- Seoul Metropolitan City(2014), 석촌지하차도 공동 발생원인과 도로함몰 특별관리대책.
- Seoul Metropolitan City(2015), 도로함몰 예방을 위한 공동발생 메커니즘과 대응방안.
- Yoon, H. K. (2010), Environmental Impact Assessment of Deep Cement Mixing(DCM) Method using Visual Modflow, Master's thesis, Myongji University.
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Kores Society Civil Engineering(2015),
${\bigcirc}{\bigcirc}$ 지하수 영향분석 보고서 - Minister of Land, Infrastructure and Transport(2014), 국가수자원관리정보시스템, http://www.wamis.go.kr/