Laboratory Investigation of Geobag Revetment Performance in Rivers

Leila Khajenoori, Grant Wright*, Martin Crapper

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)
89 Downloads (Pure)


Geobag (sand-filled geotextile bags) revetments have recently emerged as long-term riverbank protection measures in developing countries; however, their performance is still not well understood. The hydraulic stability of geobag revetments used for riverbank protection has been studied within an extensive laboratory programme to improve our understanding of the complete failure processes of geobag revetments. A 1:10 scale distorted physical model was tested in a labor-atory flume, comparing a range of different construction methods and revetment side slopes, sub-jected to different flow loading. The results indicate that whilst failure mechanisms are highly de-pendent on water depth and revetment slope, the construction method had no noticeable impact. It was thus concluded that the dominating factor is the friction between individual geobags, which itself is dependent on bag longitudinal overlap rather than a specific construction method.
Original languageEnglish
Article number304
Number of pages17
JournalGeosciences (Switzerland)
Issue number8
Publication statusPublished - 22 Jul 2021


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