Numerical Analysis in Hydrograph Determination for Sluice Gate installed Levee

Jin-Man Kim; Bong-Hyuck Choi; Eun-Ho Oh; Won-Beom Cho

doi:10.12814/jkgss.2015.14.4.001

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2015 Vol.14, Issue 4 Next Page

Numerical Analysis in Hydrograph Determination for Sluice Gate installed Levee 배수통문이 설치된 제방의 설계수위파형결정에 관한 수치해석

30 December 2015. pp. 1-9

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Abstract

According to national regulations and its commentary, such as Rivers Design Criteria & Commentary (KWRA, 2009), Foundation Structure Guideline and its Commentary(MLTM, 2014 and KGS, 2009), the integrity evaluation of river levee includes slope stability evaluation of both riverside/protected low-land and piping stability evaluation with respect to foundation and levee body along with water level conditions. In this case the design hydro-graph can be the most important input factor for the integrity evaluation, however it is fact that the national regulations do not provide any proper determination methods regarding hydro-graph. The authors thus executed an integrity evaluation of sluice gate in levee by changing each hydro-graph factor, including rising ordinary water level, lasting flood water level, falling water level, and flood frequency, in order to suggest a determination method of reasonable hydro-graph. As a result, the authors suggested that at least over 57 hours of rising ordinary water level and over 53 hours of lasting flood water level should be considered for the design hydro-graph of sluice gate in levee at Mun-san-jae.

Keywords

Levee

Integrity evaluation

Piping

Slope stability

Design Hydro-graph

Flood Event

하천제방 건전도 평가는 하천설계기준･해설(KWRA, 2009) 및 구조물기초 설계기준과 그 해설서(MLTM, 2014와 KGS, 2009) 등 관련 기준 및 기준 해설서에 따라 수위조건 별 기초지반 및 제체를 통한 파이핑 안전성과 제내지 및 제외지 비탈면의 활동안전성 평가를 통해 수행된다. 이때 수위파형은 하천제방 건전도 평가 시 가장 중요한 수위조건 입력자료이나, 국가기준에서 합리적인 결정방법을 제시하지 못하고 있는 실정이다. 본 논문에서는 합리적인 수위파형 결정방법 제안을 위하여 평수위 상승, 홍수위 지속, 수위강하, 홍수빈도 등 수위파형 구성인자 변화에 따른 배수통문 설치 제방의 건전도 평가를 수행하였다. 평가결과, 문산배수통문 설치 제방의 설계수위파형은 최대 57 시간 이상의 평수위상승시간 및 53 시간 이상의 홍수위지속시간 등을 반영하여 설정하여야 할 것으로 평가되었다.

References

1.Km, K. H., Yoon, K. S., Lee, J. W., Lee, S. J., Yeo, K. D., Cha, J. H., Lee, D. S., Hwangb, J. K., Kim, J. M., Choi, B. H., Oh, S. Y. (2004), Development of Advanced Technologies for Levees, Final Report, Korea Agency for Infrastructure Technology Advancement, pp.68-74.

2.Kim, J. M., Kim, J. S., Oh, E. H., and Cho, W. B. (2014), “Numerical Analysis in Hydrograph Determination for Cohesive Soil Levee”, Journal of Korea Society of Engineering Geology, Korea Society of Engineering Geology, Vol.30, No.4, pp.81-92.

3.Korea Geotechnical Society (2009), Foundation Structure Guideline’s commentary, MLTM, Korea.

4.Korea Water Resources Association (2009), River Design criteria & Commentary, MLTM, Korea.

5.Ministry of Construction (2000), Levee Design Guidelines, pp.221-245, Japan.

6.Ministry of Land, Transport and Maritime Affairs (2009), Nakdong River Restoration 23 area enforcement design, MLTM, Korea.

7.Ministry of Land, Transport and Maritime Affairs (2014), Foundation Structure Guideline, MLTM, Korea.

8.Nakajima, H. (2003), River Levee, Kibodang Press, japan.

9.National Emergency Management Agency (2013), Disaster Annual Report (2013).

Information

Publisher :Korean Geosythetics Society
Publisher(Ko) :한국지반신소재학회
Journal Title :Journal of the Korean Geosynthetics Society
Journal Title(Ko) :한국지반신소재학회 논문집
Volume : 14
No :4
Pages :1-9
Received Date : 2015-03-23
Revised Date : 2015-08-25
Accepted Date : 2015-10-05
DOI :https://doi.org/10.12814/jkgss.2015.14.4.001

Journal of the Korean Geosynthetics Society ISSN:2508-2876(Print) 2287-9528(Online) 한국지반신소재학회 논문집

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