Progression Rate of Backward Erosion Piping: Small Scale Experiments

J.C. Pol, W. van Klaveren, W. Kanning, V.M. van Beek, B. Robbins, Sebastiaan N. Jonkman

Research output: Chapter in Book/Conference proceedings/Edited volumeConference contributionScientificpeer-review

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Most research on backward erosion piping (BEP) focuses on the critical conditions leading to failure. This paper studies the development of piping over time once the critical conditions are exceeded, which is useful to estimate time to failure. A commonly used small scale rectangular box setup is modified in order to monitor pore pressures and pipe pressures with a high spatial and temporal resolution. The experimental program includes three different sand types to study the effects of grain size and compaction, and different degrees of hydraulic loading. The results indicate that the transport of particles in the pipe affects the progression rate, and that the progression rate is related to the bed shear stress in the pipe.
Original languageEnglish
Title of host publicationProceedings of the 10th International Conference on Scour and Erosion (ICSE-10)
Subtitle of host publicationArlington, Virginia, USA. 18-21 October, 2021
Number of pages10
Publication statusPublished - 2021


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