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Volume 17 -                   ijmt 2023, 17 - : 1-12 | Back to browse issues page

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Rezapooran A, Ghanbari Adivi E, Fattahi R. Performance Comparison of Hybrid Protection Methods in Weakening coast Waves. ijmt 2023; 17 :1-12
URL: http://ijmt.ir/article-1-808-en.html
Performance Comparison of Hybrid Protection Methods in Weakening coast Waves
Akram Rezapooran1 , Elham Ghanbari Adivi * 2, Roohollah Fattahi3
1- MSC Student, Department of Water Science Engineering, Shahrekord University
2- Assistant Professor, Department of Water Science Engineering, Shahrekord University
3- Associated Professor, Department of Water Science Engineering, Shahrekord University
Abstract:   (1106 Views)
Considering the strategic importance of coastal areas from various aspects, their protection against waves is a coast management necessity. Since long ago, strong coastal structures have protected coasts, but since they disturb the coastal ecosystem balance, effort has been made to use them less or make them more compatible with the coast. This research is specifically aimed to estimate the efficiency of environment-based methods such as the combined tree planting-structural methods compared with merely structural methods, in damping the coastal waves and, hence, protecting the coasts. In this research, coastal dikes with 3 different height situated in 3 different locations in combination with 3 rows of tree under the influence of 5 wave heights are investigated. Experimental results showed that the highest wave damping (80%) occurs by positioning the structure in the beginning of the protected area, covered by trees at its tail. To check the force reduction rate, the most effective protection plan is when the structure is in the middle of the protected area and the tree cover lies in front as well as in the back of the structure. In this case, the wave force damping is 10.7 times the :case when: the coast has no obstacles; when there are no trees and the structure is alone, the wave force damping is more than 50%. This mode, compared to the best performance mode - the structure lies alone at the beginning of the protected area, has increased the wave force damping efficiency by about 14%.
Keywords: coastal dyke, wave damping, coast protection, tree cover, force absorption
Full-Text [PDF 689 kb]   (560 Downloads)    
Type of Study: Research Paper | Subject: Maritime Transport and Port Management
Received: 2022/11/12 | Accepted: 2022/12/29
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International Journal of Maritime Technology is licensed under a

Creative Commons Attribution-NonCommercial 4.0 International License.