Archief Prof. Ir. J.J. Peters

Over het archief

In 2012 verloren we Jean Jacques Peters, voormalig ingenieur van het Waterbouwkundig Laboratorium (1964 tot 1979) en internationaal expert in sedimenttransport, rivierhydraulica en -morfologie. Als eerbetoon aan hem hebben we potamology (http://www.potamology.com/) gecreëerd, een virtueel gedenkarchief dat als doel heeft om zijn manier van denken en morfologische aanpak van rivierproblemen in de wereld in stand te houden en te verspreiden.

Het merendeel van z’n werk hebben we toegankelijk gemaakt via onderstaande zoekinterface.

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Erosion Resistance Assessment of Grass-Covered Embankments: Insights from In Situ Overflow Tests at the Living Lab Hedwige-Prosper Polder Depreiter, D.; Vercruysse, J.B.; Verelst, K.; Peeters, P. (2025). Erosion Resistance Assessment of Grass-Covered Embankments: Insights from In Situ Overflow Tests at the Living Lab Hedwige-Prosper Polder. Water 17(13): 2016. https://dx.doi.org/10.3390/w17132016 In: Water. MDPI: Basel. ISSN 2073-4441; e-ISSN 2073-4441

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Beschikbaar in	Auteurs
Waterbouwkundig Laboratorium: Open Repository 415472 [ OWA ]

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Trefwoorden

Burrows Dikes (embankments) Grass Hydraulic structures > Dikes, shores and other flood defenses > Erosion protection In situ tests > Field tests In-situ measurements Outflow > Overflow Overtopping Slope failure Topographic features > Banks (topography) > Embankments > Levees Brak water

Author keywords

Field measurements

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Project	Top | Auteurs
A1-paper resultaten Polder2Cs

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Auteurs		Top
Depreiter, D. Vercruysse, J.B. Verelst, K. Peeters, P.

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Abstract

Grass-covered levees commonly protect river and estuarine areas against flooding. Climate-induced water level changes may increasingly expose these levees to overflow events. This study investigates whether grass-covered levees can withstand such events, and under what conditions failure may occur. Between 2020 and 2022, full-scale overflow tests were conducted at the Living Lab Hedwige-Prosperpolder along the Dutch–Belgian Scheldt Estuary to assess erosion resistance under varying hydraulic conditions and vegetation states. A custom-built overflow generator was used, with instrumentation capturing flow velocity, water levels, and erosion progression. The results show that well-maintained levees with intact grass cover endured overflow durations up to 30 h despite high terminal flow velocities (4.9–7.7 m/s), without structural damage. In contrast, levee sections with pre-existing surface anomalies, such as animal burrows, slope irregularities, surface damage, or reed-covered soft soils, failed rapidly, often within one to two hours. Animal burrows facilitated subsurface flow and internal erosion, initiating fast, retrograde failure. These findings highlight the importance of preventive maintenance, particularly the timely detection and repair of anomalies. Once slope failure begins, the process unfolds rapidly, leaving no practical window for intervention.

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