Publications de Sebastian Schwindt

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Sediment traps are used for the protection of urban settlements at rivers in mountainous regions. These structures aim at the retention of sediment in the case of hazardous floods, but existing sediment traps tend to retain sediment also when the discharge ...

Sediment traps are crucial elements for flood protection in mountain rivers with high sediment transport capacity. Existing structures often interrupt the channel connectivity. Ideally, a sediment trap should be permeable for bed load during non-hazardous ...

Sediment traps with partially open check dams are crucial elements for flood protection in alpine regions. The trapping of sediment is necessary when intense sediment transport occurs during floods that may endanger urban areas at downstream river reaches. ...

Open check dams are built to retain bed load in case of major floods and may have filtering, sieving as well as dosing effects on sediment transport. The combination of an upstream reservoir with an open check dam is designated as bed load trap. These stru ...

In-stream open check dams are essential for flood protection at mountain rivers that are characterized by steep slopes (>1%) and sediment-laden flood discharges. These structures comprise an opening acting as a lateral or vertical flow contraction to force ...

Two-phase flows occurring at flow constrictions such as bridges or open sediment check dams are complex, especially for steep rivers with bedload transport. Dangerous bedload deposition and backwater effects may occur in steep mountain rivers at bridges. I ...

Turbulences in liquids caused by jets can be of interest for numerous applications. For one, it concerns flood spillway structures within civil engineering but also is key in any area where turbulent mixing is present. The numerical simulations of jets tha ...

During floods, the bedload transport of steep headwaters can exceed the hydraulic transport capacity of milder downstream reaches where settlements are often situated. Therefore, sediment retention barriers are typically installed upstream of such sensible ...

As an alternative to ski jumps, deflectors can be implemented on spillways to generate free jets. They guide, up to a certain limit, the jet to an achieved location onto the plunge pool surface, and furthermore enhance the process of jet disintegration. Th ...

After a major flood with a peak discharge of 177 m³/s in the city of Martigny (Valais, Switzerland) by the alpine river Drance in October 2000, the local authorities are strengthening efforts for the protection of the urban area. The Drance has an annual a ...

Geschiebesammler halten oft bei kleineren Hochwassern unnötig Geschiebe zurück. Dadurch wird die öko-morphologische Gewässerkontinuität unterbrochen. Beobachtet werden zudem oft gefährliche, selbsttätige Entleerungen. Durch den Einsatz eines Leitgerinnes i ...

In den vergangenen Jahren haben Hochwasser im Alpenraum die Notwendigkeit von Schutz-maßnahmen vor allem auch auf lokaler Ebene eindringlich in Erinnerung gerufen. Das große Geschiebetransportpotential von Wildbächen kann zu der Zerstörung ganzer Ortschaft ...

Geschieberückhalt in stark sedimentführenden Gewässern ist im alpinen Raum elementar für den Hochwasserschutz, jedoch unzuträglich für die natürliche Flussmorphologie und aquatische Lebewesen im Unterlauf. Mit systematischen Versuchen wurde ein neues Konze ...

Die vollständige Spülung von Dufour-Sandfängen geht einher mit erheblichen Verlusten des Triebwassers, wodurch der Anlagenertrag geschmälert wird. Die Effizienz eines neuartigen Spülsystems wird durch numerische Simulationen anhand einer Fallstudie eines D ...

Sebastian Schwindt

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Hydro-morphological processes through permeable sediment traps at mountain rivers

Design optimization of permeable sediment traps for fluvial bed load transport

Sediment traps with guiding channel and hybrid check dams improve controlled sediment retention

Experimental evaluation of the discharge capacity of flow constrictions by check dams in mountain rivers

Bottom slope influence on flow and bedload transfer through contractions

Effects of Lateral and Vertical Constrictions on Flow in Rough Steep Channels with Bedload

Modelling of plunge pool scour evolution in non-cohesive sediments

Analysis of mechanical-hydraulic bedload deposition control measures

Air concentration distribution in deflector-jets

Physical modelling optimization of a filter check dam in Switzerland

Study of the effects of a distanced retention basin combined with an open check dam on a physical model

Teildurchgängige Geschiebesammler für sicheren Rückhalt

Teildurchgängige Geschiebesammler für sicheren Rückhalt = Partially Continuous Bedload Collector for safe Retention

Gestaltung effizienter Geschiebesammler anhand physikalischer Modellversuche mit Fallbeispiel [Design of efficient sediment traps based on physical experiments with case study]

Neues Konzept für teildurchgängige Geschiebesammler mit sicherem Rückhalt

Psamathe – Alternatives Konzept der Entsanderspülung