지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2012.9
- 수록면
- 427 - 439 (13page)
이용수
초록· 키워드
오류제보하기
In this study, an experiment with large-scale model was performed according to raising embankment in order to investigate the behaviour of failure due to overtopping. The pore water pressure, earth pressure and settlement by high water level, a rapid drawdown and overtopping were compared and analyzed. Also, seepage analysis and slope stability analysis were performed for steady state and transient conditions. The pore water pressure and earth pressure for inclined core type showed high value at the base of the core, but they showed no infiltration by leakage. The pore water pressure and earth pressure by overtopping increased at the upstream slope and core, it is considered a useful data that can accurately estimate the possibility of failure of the reservoir.
The behavior of failure due to overtopping was gradually enlarged towards the downstream slope from reservoir crest, and the inclined core after the raising embankment was influenced significantly to prevent the reservoir failure. The pore water pressure distribution for steady state and transient condition showed positive (+) pore water pressure on the upstream slope, it was gradually changed negative (-) pore water pressure on the downstream slope. The pore water pressure by overtopping showed a larger than the high water level at the downstream slope, it was likely to be the piping phenomenon because the hydraulic gradients showed largely at the inclined core and reservoir crest. The safety factor showed high at the steady state, and transient conditions did not show differences depending on the rapid drawdown.
The behavior of failure due to overtopping was gradually enlarged towards the downstream slope from reservoir crest, and the inclined core after the raising embankment was influenced significantly to prevent the reservoir failure. The pore water pressure distribution for steady state and transient condition showed positive (+) pore water pressure on the upstream slope, it was gradually changed negative (-) pore water pressure on the downstream slope. The pore water pressure by overtopping showed a larger than the high water level at the downstream slope, it was likely to be the piping phenomenon because the hydraulic gradients showed largely at the inclined core and reservoir crest. The safety factor showed high at the steady state, and transient conditions did not show differences depending on the rapid drawdown.
목차
Abstract
Ⅰ. 서론
Ⅱ. 재료 및 방법
Ⅲ. 결과 및 고찰
Ⅳ. 결론
감사의 글
참고문헌
참고문헌 (17)
참고문헌 신청
1. [학술지(정기간행물)] - Fell R / 2003 / Time for development of internal erosion and piping in embankment dams / Journal of Geotechnical and Geoenvironment Engineering ASCE 129 (4) : 307 ~ 314
2. [학술지(정기간행물)] - Foster M / 2000 / The statistics of embankment dam failure and accidents / Canadian Geotechnical Journal 37 : 1000 ~ 1024
3. [학술대회논문] - Fread DL. / 1977 / The development and testing of dam-break flood forecasting model / Proceeding of the dam-break flood routing workshop water resources council
4. [학술지(정기간행물)] - Fredlund DG / 1994 / Equations for the soil-water characteristic curve / Canadian Geotechnical Journal 31 : 521 ~ 532
5. [기타자료] - GEO-SLOPE / 2007 / SEEP/W, SLOPE/W / GEO-SLOPE International Ltd
2. [학술지(정기간행물)] - Foster M / 2000 / The statistics of embankment dam failure and accidents / Canadian Geotechnical Journal 37 : 1000 ~ 1024
3. [학술대회논문] - Fread DL. / 1977 / The development and testing of dam-break flood forecasting model / Proceeding of the dam-break flood routing workshop water resources council
4. [학술지(정기간행물)] - Fredlund DG / 1994 / Equations for the soil-water characteristic curve / Canadian Geotechnical Journal 31 : 521 ~ 532
5. [기타자료] - GEO-SLOPE / 2007 / SEEP/W, SLOPE/W / GEO-SLOPE International Ltd
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UCI(KEPA) : I410-ECN-0101-2014-480-001261080