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River Embankment Stability against Hydraulic Piping Failure in Korea
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우리나라 하천제방에 대한 내부침식 파괴 연구 : 사례연구

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Type
Academic journal
Author
Journal
KOREAN SOCIETY OF CIVIL ENGINEERS JOURNAL OF THE KOREAN SOCIETY OF CIVIL ENGINEERS C Vol.26 No.1C KCI Accredited Journals
Published
2006.1
Pages
33 - 42 (10page)

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River Embankment Stability against Hydraulic Piping Failure in Korea
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Abstract· Keywords

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Lots of river embankments or levees in Korea are quite so old and unknown the origin even. The river deposits, moreover, obtainable easily somewhere were used for materials of embankment without any technical considerations such as the influence soil properties and construction methods on embankment stability. It's natural that safety would be threatened if the water level rises due to flood or rainfall when it comes to abnormal weather conditions, especially. From this point of view, enlargement of embankment, irrigation works, etc. are in progress recently at the situation from a reinforcement work. However, taking influence of soil properties and construction methods on embankment stability into account against cracking or piping is still insufficient. Fragmentary design criteria or irrational construction methods are applied rather as the case may be. In this study, therefore, a way to estimate piping and cracking resistance (Sherard, 1953) has been introduced and reevaluated for practical use with an eye to material properties and its applicability to piping-experienced embankments was examined. Piping possibility was also examined in the present design criteria and compared. In view of the results achieved, it reflects that both yield piping possibility. But it's still necessary to complement how to judge and verity piping resistance of given soils with gradation curves by the representative curve, quantitatively and that piping resistance should consider compaction effects as well.
#piping and cracking resistance #soil properties #seepage #critical velocity and gradient #embankment stability #피이핑 및 균열저항 #재료특성 #침투해석 #한계유속 및 동수경사 #제방안정

Contents

Abstract
요지
1. 서론
2. 제체의 균열 및 파이핑 저항
3. 국내 하천제방에 대한 검토
4. 결론
감사의 글
참고문헌

References (15)

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[학술지(정기간행물)] - / 2000 / 일본하천제방설계지침 google schola [학술지(정기간행물)] - / 1999 / 하천공사 표준 시방서 google schola [학술지(정기간행물)] - / 1992 / 침투유속에 의한 제방의 파이핑 해석 사례연구 : 497 ~ 500 google schola [학술지(정기간행물)] - / 2002 / 국가하천기존시설물 보강대책조사용역 설계자문회의요청서 : 24 ~ 26 google schola [학술지(정기간행물)] - / 2000 / 낙동강 다산제 수해복구 공사 실시설계 토질조사 보고서 : 14 ~ 36 google schola

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