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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/52709

Title: Investigation of random wave impact on highly pervious pipe breakwaters
Authors: Ruey-Syan Shih
Contributors: 國立臺灣海洋大學:河海工程學系
Keywords: Pipe breakwater
High perviousness
Screen breakwater
Wave impact force
Wave pressure
Date: 2016-01
Issue Date: 2019-12-23T07:12:21Z
Publisher: Scisence Journals
Abstract: Abstract: The main cause of damage to offshore structures is the wave impact force. Protective structures such as submerged breakwaters, screen breakwaters, and various piles are often designed to provide additional attenuation (reduction) of the impact force. In this study, reduction of the wave impact force and wave pressure on an embankment with highly pervious pipe breakwaters is investigated through physical experiment. The process of wave impact is rather complicated, involving strongly nonlinear and transient effects. Coastal structures are often partially damaged by the strong intensity of the wave impact force; therefore, the effect of the wave impact force is one of the important factors to be considered for the safety and/or destruction of coastal structures. This study addresses the use of highly pervious dense pipes with small apertures, which can be beneficial for convection and interchange of seawater within the harbor district and, furthermore, perform wave absorption effectively. This study investigated the performance of a pervious pipe screen breakwater installed in front of a seawall in terms of reducing the wave impact force and wave pressure. The physical experiments were performed by considering regular and irregular waves under various conditions. The experimental results indicated that pervious pipe obstacles placed vertically in front of an embankment can effectively mitigate and reduce the wave impact forces by over 70%.
Relation: pp 146-163
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/52709
Appears in Collections:[河海工程學系] 期刊論文

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