Field Performance of the Fish Anchor

M. S. Hossain, M. A. Mohiuddin, A. Dalal, B. S. Turner, Y. H. Kim, Y. W. Choo, M. Rokonuzzaman

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)


The performance of the novel fish anchor has been assessed through field tests. The tests were carried out at three different locations in the Swan River, Perth. The water depths were 2.91-4.73 m. The riverbed soils consisted of clay (Location 1), silty clay (Location 2) and silt (Location 3). The anchor was installed in the riverbed by dropping first through an air column followed by a water column, and finally striking the riverbed at an impact velocity of 10.4 (Location 1), 11.43 (Location 2), 11.72 (Location 3) m/s. The anchor tip embedment depth in the riverbed was measured at 1-2.5 times the anchor length. For similar impact velocity, the tip embedment depth in clay was 1.56-1.68 and 2-2.1 times of that in silty clay and silt, respectively. The capacity was found to reduce with loading angle at the padeye to the horizontal. The ultimate capacity was 1.5-2.6 times the weight of the anchor submerged in water for loading angle 90 degrees, which increased to 8.2-15.6 times the weight for theta(0) = similar to 16 degrees. The fish anchor dove, as opposed to pull out of the riverbed, for loading angles

Original languageEnglish
Article number6022014
Number of pages8
JournalJournal of Geotechnical and Geoenvironmental Engineering
Issue number2
Publication statusPublished - 1 Feb 2023


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