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http://dx.doi.org/10.17820/eri.2022.9.4.228

A Study on the Hydraulic Stability of a Multi-Layered Porous Riverbank Revetment Using Castor Oil-Based Biopolymer  

Sang-Hoon, Lee (SINWOO BIO BANK Co., Ltd)
Joongu, Kang (Water Resources & River Research Department, Korea Institute of Civil Engineering and Building Technology)
Hong-Kyu, Ahn (Water Resources & River Research Department, Korea Institute of Civil Engineering and Building Technology)
Publication Information
Ecology and Resilient Infrastructure / v.9, no.4, 2022 , pp. 228-236 More about this Journal
Abstract
Riverbank revetments are installed to increase the stability, while preventing scouring, and utilize the rivers; their construction is prioritized to secure dimensional safety that can withstand flooding. Existing revetment technologies employ use of rocks, gabions, and concrete. However, stone and gabions are easily erosion and destroyed by extensive flooding. Though the materials used in concrete technology possess strength and stability, the strong base adversely affects the aquatic ecosystem as components leach and remain in water for a long time. This serves as an environmental and ecological issue as vegetation does not grow on the concrete surface. This study introduces multi-layer porous riverbank revetment technology using biopolymer materials extracted from castor oil. Results obtained from this study suggest that this technology provides greater dimensional stability as compared to existing technologies. Moreover. it does not release toxic substances into the rivers. Multiple experiments conducted to review the application of this technology to diverse river environments confirm that stability is achieved at a flow velocity of 8.0 m/s and maximum tractive force of 67.25 kgf/m2 (659.05 N/m2).
Keywords
Biopolymer; Multi-layered porous; Riverbank revetments; Hydraulic stability;
Citations & Related Records
Times Cited By KSCI : 6  (Citation Analysis)
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