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Hazard Evaluation of Levee by Two-Dimensional Hydraulic Analysis
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  • Journal title : Journal of Wetlands Research
  • Volume 18, Issue 1,  2016, pp.45-57
  • Publisher : Korean Wetlands Society
  • DOI : 10.17663/JWR.2016.18.1.045
 Title & Authors
Hazard Evaluation of Levee by Two-Dimensional Hydraulic Analysis
Park, Jun Hyung; Kim, Tae Hyung; Han, Kun Yeun;
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Levee safety is being evaluated using one of the several failure causes including overtopping, infiltration and erosion or 1D hydraulic analysis considering physical characteristics of levee in practical engineering works. However, mentioned evaluation methods are not able to consider various failure causes of levee at the same time and to get reliable results where requires the accurate topographic information. This study proposed the flood hazard index which is able to consider several hazard factors involving overtopping, infiltration and erosion risk simultaneously. The index was generated from results of 2D hydraulic analysis reflecting accurate topographic information. The study areas are the confluences of the Nakdong River and two streams(Gamcheon and Hoecheon). Levee safety was evaluated using results based on 2D hydraulic analysis considering riverbed changes of before and after dredging work in the study area. This study will contribute to estimate the reliable safety evaluation of levee where may have hazards during extreme flood events.
Levee;Two-Dimensional Hydraulic Analysis;Overtopping;Erosion;Infiltration Hazard;Levee Hazard Evaluation;
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