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Natural Hazards and Earth System Sciences An interactive open-access journal of the European Geosciences Union
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For Chiuliao first levee, the slope sliding failure is the most likely mode to occur under all flood water level heights. However, the levee may undergo foundation sliding failure with a water level difference coefficient of 0.25 to 0.3 over a long flood return period. This is because of the high water levels and large local scouring depths. Therefore, the updated levee design cross section with rows of piles and thickened backfill material was designed to overcome possible failure modes.
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Articles | Volume 15, issue 4
Nat. Hazards Earth Syst. Sci., 15, 919–930, 2015
https://doi.org/10.5194/nhess-15-919-2015
Nat. Hazards Earth Syst. Sci., 15, 919–930, 2015
https://doi.org/10.5194/nhess-15-919-2015

Research article 24 Apr 2015

Research article | 24 Apr 2015

Levee reliability analyses for various flood return periods – a case study in southern Taiwan

W.-C. Huang et al.

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Latest update: 25 Jan 2021
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Short summary
For Chiuliao first levee, the slope sliding failure is the most likely mode to occur under all flood water level heights. However, the levee may undergo foundation sliding failure with a water level difference coefficient of 0.25 to 0.3 over a long flood return period. This is because of the high water levels and large local scouring depths. Therefore, the updated levee design cross section with rows of piles and thickened backfill material was designed to overcome possible failure modes.
Citation
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Final-revised paper
Preprint