Dynamic Response Study of Coral Reef Revetment Project Under Extreme Wave Action

Jielong Hu, Songgui Chen, Hanbao Chen, Zhichao Nie, Zuoda Qi and Zihao Duan ()
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Jielong Hu: Tianjin Research Institute for Water Transport Engineering, Ministry of Transport, Tianjin 300456, China
Songgui Chen: Tianjin Research Institute for Water Transport Engineering, Ministry of Transport, Tianjin 300456, China
Hanbao Chen: Tianjin Research Institute for Water Transport Engineering, Ministry of Transport, Tianjin 300456, China
Zhichao Nie: Tianjin Research Institute for Water Transport Engineering, Ministry of Transport, Tianjin 300456, China
Zuoda Qi: Tianjin Research Institute for Water Transport Engineering, Ministry of Transport, Tianjin 300456, China
Zihao Duan: Tianjin Research Institute for Water Transport Engineering, Ministry of Transport, Tianjin 300456, China

Sustainability, 2024, vol. 16, issue 22, 1-18

Abstract: It is crucial for reef revetments to respond dynamically to rigorous wave actions for structural stability and safety. A comprehensive analysis of the interaction between the wave force and wave overtopping in a reef revetment project was conducted based on wave flume experiments. This study explored how wave conditions, the water depth along the reef flat, and the proximity of the reef edge to the revetment project influenced wave overtopping and wave force patterns. The results indicate that as the incident wave height, period, and water depth along the reef flat increased, the average wave overtopping within the revetment project also increased. Additionally, higher levels of average wave overtopping occurred with the decrease in the distance between the revetment project and the reef edge. The peak wave force on the seawall of the revetment project was studied in response to various factors, including wave period, wave height, water depth along the reef flat, and distance to the reef edge. The changes in the maximum wave force reflected those of the average wave overtopping, with a strong linear correlation. The quantitative relationship between these variables was determined, and the wave forces on the seawall could be indirectly estimated using the average wave overtopping volume. This study provides an efficient methodology for assessing the dynamic attributes of revetment projects and the disaster risk of these structures.

Keywords: coral reef; revetment project; overtopping; dynamic response (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2024
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