Wave transmission of submerged breakwaters consisting multiple pipes
Various breakwaters have been developed to protect coastal areas from the force of waves. The majority of the breakwaters are gravity-type structures withstanding the wave energy by their effective masses. The construction of these gigantic structures is costly and the use of materials is substantia...
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| Main Authors: | , , |
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| Format: | Article |
| Published: |
Asian Research Publishing Network
2017
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| Online Access: | https://www.scopus.com/inward/record.uri?eid=2-s2.0-85032286171&partnerID=40&md5=ae1e8970c7cb7f8a5d913557add07841 http://eprints.utp.edu.my/19333/ |
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| Institution: | Universiti Teknologi Petronas |
| Summary: | Various breakwaters have been developed to protect coastal areas from the force of waves. The majority of the breakwaters are gravity-type structures withstanding the wave energy by their effective masses. The construction of these gigantic structures is costly and the use of materials is substantial. This research study attempted to cope with the aforementioned problems by investigating wave attenuation performance of five submerged breakwaters that were made of multiple pipes in different configurations by the means of physical modelling. A series of experiments were conducted in a wave flume to study the wave transmission characteristics of the submerged breakwaters of different designs under regular waves. Wave attenuation efficiency of the breakwaters were expressed in terms of wave transmission coefficient Ct. The relationships between Ct and wave steepness Hi/L, relative breakwater width B/L and relative breakwater draft h/d were ascertained through a systematic experimental programme. The experimental results showed that the alternatively submerged breakwaters were better wave attenuator compared to the submerged ones, and the sloping front face of breakwaters helped in promoting wave breaking and energy dissipation. © 2006-2017 Asian Research Publishing Network (ARPN). |
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