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http://dx.doi.org/10.3741/JKWRA.2015.48.4.269

Levee Stability Assessment depending on Level of Inland and Riverside land in Flow State  

Kang, Taeun (International Water Resources Institute, Chungnam National University)
An, Hyunuk (Dept. of Agricultural and Rural Eng., Chungnam National University)
Kim, Yeonsu (International Water Resources Institute, Chungnam National University)
Jung, Kwansue (Dept. of Civil Engrg., Chungnam National Univ.)
Publication Information
Journal of Korea Water Resources Association / v.48, no.4, 2015 , pp. 269-279 More about this Journal
Abstract
Nowadays, the world has suffered by natural disaster of climate change due to global warming. Korea has also faced with similar situation. To prevent these natural disaster, Four Major River Management has conducted. One of conducted content in Four Major River Management is the levee maintenance which classified into fill-up the inland, levee of reinforcement and so on. These maintenances may make the characteristics of groundwater flow change and affect to the levee safety (piping phenomenon). Therefore, analysis on groundwater fluctuation according to level of riverside and inland should be required. This study focus on levee of Hoe stream, which is connected to Nakdong river, and piping safety factor in the levee analyzed by using pore water pressure. Besides, groundwater fluctuation, which is depended on level of riverside and inland, is simulated by using the SEEP/W (2D ground water model). This simulation considered steady flow and unsteady flow. As a result, piping safety factor increased due to rising the inland level. Piping safety factor of riverside was effected by only river water level. Therefore, external levee factor considering inland level raising and suitable control of river water level is need to increase piping safety factor.
Keywords
Yulji levee in Nakdong river; piping phenomenon; SEEP/W; monitoring of real scale levee;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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