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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2019.12
- 수록면
- 85 - 92 (8page)
- DOI
- 10.6112/kscfe.2019.24.4.085
이용수
초록· 키워드
오류제보하기
Failure of aged reservoir dams is one of the life threatening hazards. When an earth dam fails, the early stage of breached water contains a mixture of solid particles of various sizes and water. Due to high uncertainty in the phenomena of the dam failure and the debris flow of multiphase of water and soil, the dam breach has been studied mainly by shallow water approach of 2D flow for single phase of water. But the actual incidents of the earth dam failure have shown that the mixture of soil and water causes greater damages not only by flooding but also by structural damages due to the impact forces of the debris flow. Based on the previous study showing the potential validity to estimate the debris flow, this study models the failure of the earth dam using computational fluid dynamics of multiphase flow with nonlinear viscosity. First, the collapses of water and soil columns modeling simple earth dam are simulated, which shows the effects of the debris flow on the impact forces. The real collapse of Sandae reservoir is, then, simulated and the flooded region is compared with the previous studies of field survey. The results show some discrepancies due to uncertainties in both field study and the present computations; however, it shows that the breach of the earth dam can be modeled and simulated using the proposed method.
목차
1. 서론
2. 지배방정식 및 수치해석 기법
3. 댐 붕괴 수치 해석
4. 산대 저수지 붕괴 수치해석
5. 결론
References
참고문헌 (10)
참고문헌 신청
2010, Joo, Y.H., The Experimental study of the reinforcement technique for the breach damage mitigation on the small scale reservoir, Master’s thesis, Hongik university, p.95.
2013, Park, S.J., Han, K.Y. and Choi, H.G., Flood Routing of Sequential Failure of Dams by Numerical Model, Journal of the Korean Society of Civil Engineers, Vol.33, No.5, pp.1797-1807.
2005, Prof Reference manual, FLO-2D SOFTWARE Inc., FLO-2D, AZ.
2015, Go, D.-H., Lee, K.-H., Kim, J.-M. and Kim, S.-W., FLO-2D Simulation of the Flood Inundation Zone in the Case of Failure of the Sandae Reservoir Gyeongju, Gyeongbuk, The Journal of Engineering Geology, Vol.25, No.4, pp.449-458.
2016, Lee, J.Y., Kim, B., Park, J.H. and Han, K.Y., Two-Dimensional Flood Inundation Analysis Resulting from Irrigation Reservoir Failure - Focused on the Real Case with the Minimal Data Set, Journal of the Korean Society of Civil Engineers, Vol.363, No.2, pp.231-243.
2013, Park, S.J., Han, K.Y. and Choi, H.G., Flood Routing of Sequential Failure of Dams by Numerical Model, Journal of the Korean Society of Civil Engineers, Vol.33, No.5, pp.1797-1807.
2005, Prof Reference manual, FLO-2D SOFTWARE Inc., FLO-2D, AZ.
2015, Go, D.-H., Lee, K.-H., Kim, J.-M. and Kim, S.-W., FLO-2D Simulation of the Flood Inundation Zone in the Case of Failure of the Sandae Reservoir Gyeongju, Gyeongbuk, The Journal of Engineering Geology, Vol.25, No.4, pp.449-458.
2016, Lee, J.Y., Kim, B., Park, J.H. and Han, K.Y., Two-Dimensional Flood Inundation Analysis Resulting from Irrigation Reservoir Failure - Focused on the Real Case with the Minimal Data Set, Journal of the Korean Society of Civil Engineers, Vol.363, No.2, pp.231-243.
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UCI(KEPA) : I410-ECN-0101-2020-559-000232920