MATEC Web Conf.
Volume 203, 2018International Conference on Civil, Offshore & Environmental Engineering 2018 (ICCOEE 2018)
|Number of page(s)||9|
|Section||Coastal and Offshore Engineering|
|Published online||17 September 2018|
Design Optimization of a Porous Box-Type Breakwater Subjected to Regular Waves
Department of Civil and Environmental Engineering, Universiti Teknologi PETRONAS,
32610 Bandar Seri Iskandar, Perak,
2 Center for Urban Resource Sustainability, Institute for Self-Sustainable Building, Universiti Teknologi PETRONAS, 32610 Bandar Seri Iskandar, Perak, Malaysia
3 Jacobs Engineering Group Malaysia Sdn Bhd, Suite E-17-P2, Level 17, Block E, Plaza Mont’ Kiara, No. 2, Jalan Kiara, Mont' Kiara, 50480 Kuala Lumpur, Malaysia
4 UMR CNRS 6143 M2C, Département Géosciences et Environnement, Université de Rouen Normandie, Bâtiment Sciences et Techniques, Place Emile Blondel, 76821 Mont Saint Aignan Cedex, France
* Corresponding author: email@example.com
Breakwaters are used to suppress the energy of waves for providing shelter to coastal and offshore facilities. Very often, the conventional rubble mound breakwaters result in high construction cost and several environmental problems, such as water contamination and wave amplification in front of the structures due to severe wave reflection. One way to alleviate the above-mentioned problem is to appropriately increase the porosity of the breakwaters. This paper aims at developing the optimum design of a porous box-type breakwater comprising multiple scrapped pipelines via physical modelling approach. Herein, the best geometrical design of the breakwater under the governing factors of porosity, width and internal tube length is proposed. A series of experiments have been conducted under the influence of regular wave environment through the analysis of wave transmission, reflection and energy loss. Several geometrical design criteria were derived to maximize the hydraulic performance of the breakwater, when adopted at sites. The proposed breakwater is a reasonably good wave attenuator and anti-reflection structure as well as an effective energy dissipator.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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