Stabilisation of river dykes with drainage elements

Riegger, T.; Bieberstein, Andreas; Hörtkorn, F.; Kempfert, Hans‐Georg

doi:10.5194/nhess-9-2039-2009

Cited by 3 publications

(1 citation statement)

References 6 publications

(3 reference statements)

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“…Floods are one of the most important natural hazards in Europe (Thieken et al, 2016) and on earth (Merz et al, 2010;Riegger et al, 2009). They generate major losses of human lives and also property damage (Wijkman and Timberlake, 1984).…”

Section: Introductionmentioning

confidence: 99%

Exceptional floods in the Prut basin, Romania, in the context of heavy rains in the summer of 2010

Romanescu

Stoleriu

2017

Nat. Hazards Earth Syst. Sci.

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Abstract. The year 2010 was characterized by devastating flooding in central and eastern Europe, including Romania, the Czech Republic, Slovakia, and Bosnia-Herzegovina. This study focuses on floods that occurred during the summer of 2010 in the Prut River basin, which has a high percentage of hydrotechnical infrastructure. Strong floods occurred in eastern Romania on the Prut River, which borders the Republic of Moldova and Ukraine, and the Siret River. Atmospheric instability from 21 June to 1 July 2010 caused remarkable amounts of rain, with rates of 51.2 mm/50 min and 42.0 mm/30 min. In the middle Prut basin, there are numerous ponds that help mitigate floods as well as provide water for animals, irrigation, and so forth. The peak discharge of the Prut River during the summer of 2010 was 2310 m 3 s −1 at the Rȃdȃuţi-Prut gauging station. High discharges were also recorded on downstream tributaries, including the Baseu, Jijia, and Miletin. High discharges downstream occurred because of water from the middle basin and the backwater from the Danube (a historic discharge of 16 300 m 3 s −1 ). The floods that occurred in the Prut basin in the summer of 2010 could not be controlled completely because the discharges far exceeded foreseen values.

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Section: Introductionmentioning

confidence: 99%

Exceptional floods in the Prut basin, Romania, in the context of heavy rains in the summer of 2010

Romanescu

Stoleriu

2017

Nat. Hazards Earth Syst. Sci.

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

Huang

Weng

2015

Nat. Hazards Earth Syst. Sci.

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Abstract. In recent years, heavy rainfall conditions have caused disasters around the world. To prevent losses by floods, levees have often been constructed in inundationprone areas. This study performed reliability analyses for the Chiuliao First Levee in southern Taiwan. The failure-related parameters were the water level, the scouring depth, and the in situ friction angle. Three major failure mechanisms were considered: the slope sliding failure of the levee and the sliding and overturning failures of the retaining wall. When the variability of the in situ friction angle and the scouring depth are considered for various flood return periods, the variations of the factor of safety for the different failure mechanisms show that the retaining wall sliding and overturning failures are more sensitive to the change of the friction angle. When the flood return period is greater than 2 years, the levee could fail with slope sliding for all values of the water level difference. The results of levee stability analysis considering the variability of different parameters could aid engineers in designing the levee cross sections, especially with potential failure mechanisms in mind.

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

Huang¹,

Yu²,

Weng³

2015

Preprint

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Abstract. In recent years, heavy rainfall conditions have caused damages around the world. To prevent damages by floods, levees have often been constructed in prone-to-inundation areas. This study performed reliability analyses for the Chiuliao 1st Levee located in southern Taiwan. The failure-related parameters were the water level, the scouring depth, and the in-situ friction angle. Three major failure mechanisms were considered, including the slope sliding failure of the levee, and the sliding and overturning failures of the retaining wall. When the variabilities of the in-situ friction angle and the scouring depth are considered for various flood return periods, the variations of the factor of safety (FS) for the different failure mechanisms show that the retaining wall sliding and overturning failures are more sensitive to the variability of the friction angle. When the flood return period is greater than 2 years, the levee can undergo slope sliding failure for all values of the water level difference. The results for levee stability analysis considering the variability of different parameters could assist engineers in designing the levee cross sections, especially with potential failure mechanisms in mind.

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Stabilisation of river dykes with drainage elements

Cited by 3 publications

References 6 publications

Exceptional floods in the Prut basin, Romania, in the context of heavy rains in the summer of 2010

Exceptional floods in the Prut basin, Romania, in the context of heavy rains in the summer of 2010

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

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

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