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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2011.9
- 수록면
- 493 - 504 (12page)
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This study was carried out to safety evaluation, the practical application and improvement of design method of the agricultural reservoir due to raising embankments. Also, it was to compare and analyze the pore water pressure (PWP), seepage (leakage) quantity and piping phenomenon according to high water table and rapid drawdown. The seepage analysis by finite element analysis was used for steady state and transient condition. The pore water pressure distribution for steady state and transient condition showed positive(+) PWP on the upstream slope, it was gradually changed negative(-) PWP on the downstream slope. The PWP in the core ranged from 100 ～ -33 kPa, the seepage line in the incline-type core suddenly decreased towards the lower levels from the higher levels. The PWP according to rapid drawdown is remained in the vicinity of the upstream slope, therefore, it is investigated to be in an unstable state by the slope stability analysis. The PWP after raising embankments showed smaller than in the before raising embankments. It was likely to be the piping phenomenon because the gradients in the before raising embankments showed largely at downstream slope, and the stability for piping in the after raising embankments increased stable state. The seepage quantity per 1 day and the leakage per 100m for the steady state and transient condition appeared to be safe against the piping. It reduced slightly regardless of the transient condition before the raising embankments and it decreased largely about 2.4 times in the early days after the raising embankments.
목차
Abstract
Ⅰ. 서론
Ⅱ. 재료 및 방법
Ⅲ. 결과 및 고찰
Ⅳ. 결론
참고문헌
참고문헌 (20)
참고문헌 신청
1. [단행본] - Budhu M / 2000 / Soil Mechanics and Foundations / New York, John Wiley and Sons : 166 ~ 168
2. [학술지(정기간행물)] - Eisenstein, ZJ / 1972 / An analysis of the cracking at Duncan dam, Proceedings of the ASCE Special Conference on Performance of Earth and Earth Supported Structures / Purdue Univ 1 (1) : 765 ~ 778
3. [학술지(정기간행물)] - Fell R / 2003 / Time for development of internal erosion and piping in embankment dams / J. Geotech. Geoenviron. Eng 129 (4) : 307 ~ 314
4. [학술지(정기간행물)] - Foster MA / 2000 / The statics of embankment dams failures and accidents / Canadian Geotech. J 37 : 1000 ~ 1024
5. [학술지(정기간행물)] - Foster MA / 2001 / Assessing embankment dam filters that do not safety design criteria / J. Geotech. Geoenviron. Eng 127 (5) : 398 ~ 407
2. [학술지(정기간행물)] - Eisenstein, ZJ / 1972 / An analysis of the cracking at Duncan dam, Proceedings of the ASCE Special Conference on Performance of Earth and Earth Supported Structures / Purdue Univ 1 (1) : 765 ~ 778
3. [학술지(정기간행물)] - Fell R / 2003 / Time for development of internal erosion and piping in embankment dams / J. Geotech. Geoenviron. Eng 129 (4) : 307 ~ 314
4. [학술지(정기간행물)] - Foster MA / 2000 / The statics of embankment dams failures and accidents / Canadian Geotech. J 37 : 1000 ~ 1024
5. [학술지(정기간행물)] - Foster MA / 2001 / Assessing embankment dam filters that do not safety design criteria / J. Geotech. Geoenviron. Eng 127 (5) : 398 ~ 407
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