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1Master of Course, Faculty of Ocean and Marine Convergence - Ocean System, Jeju National University 2Vice President, THE BRIDGE Co., Ltd 3Professor, Department of Ocean System Engineering, Jeju National University
Corresponding author:
Il-Hyoung Cho ,Tel: +82-64-754-3482, Email: cho0904@jejunu.ac.kr
Received: July 16, 2024; Revised: August 9, 2024. Accepted: August 9, 2024.
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ABSTRACT
An analytic solution for the interaction between an array of circular piles made by joining trapezoid steel pipes (TSP) and waves was obtained using an eigenfunction expansion method. First, an analytic model for the wave scattering of multiple piles fixed at arbitrary positions was derived, and then a simplified model was obtained assuming that an infinite array of identical piles were deployed perpendicular to the propagating direction of incident waves. A regular wave experiment was conducted using an experimental model with a scale ratio of 1/100 in a two-dimensional wave tank to verify the analytic solutions. The analytic results and experimental results were qualitatively consistent with each other. Using a developed analytic model, we examined the wave force on the multiple piles and the wave deformation in front of the arrayed piles. The period for the installation is greatly reduced as the TSP pile can be prefabricated in a factory. In particular, it is possible to install at the soft seabed. A seawall structure using arrayed TSP piles will be an ideal complement for a concrete seawall in future.
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