Pile group effect on the wave loading of a slender pile: A small-scale model study
Pile group effect on the wave loading of a slender pile: A small-scale model study
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DOI：
10.1016/j.oceaneng.2015.08.021
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发表时间：
2015-11
影响因子：
5
通讯作者：
Lisham Bonakdar;H. Oumeraci
中科院分区：
文献类型：
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作者：
Lisham Bonakdar;H. Oumeraci
密集桩是某些类型的沿海和近海结构的结构安全最重要的组成部分。此类桩的波浪诱发载荷是群桩支撑海洋结构设计中最不确定的问题之一。因此，正确估计不同布置的群桩内桩的波浪载荷对于安全性和成本至关重要。与单根孤立桩的情况不同，由于干扰效应会影响桩周围的波浪诱导流，因此较少关注群桩，因为群桩之间的相互作用更明显。在这项研究中，通过在不伦瑞克莱希特魏斯水利工程与水资源研究所（LWI）2 m宽的波浪水槽中进行的小规模实验，研究了非破碎波和聚焦破碎波对细长桩波浪荷载的影响。德国。测试了不同的桩排列方式，包括单桩、并排桩、串联桩、2×2桩和交错桩，相对间距SG/D=0.5-5。基于这项研究的结果，人们对与波浪和群桩相互作用相关的过程有了更好的理解。
Closely-spaced piles are the most essential components for the structural safety of some types of coastal and offshore structures. Wave-induced loading of such piles is among the most uncertain issues in the design of pile group-supported marine structures. Therefore, the correct estimation of the wave loading of a pile within a pile-group in different arrangements is crucial for both safety and costs. Unlike the case of single isolated piles, less attention have been paid to pile groups where wave–pile group interaction is more obvious due to interference effects that affect the wave-induced flow around the piles.In this study, the pile group effect on the wave loading of a slender pile due to non-breaking and focused breaking waves is investigated by means of small scale experiments performed in the 2 m-wide wave flume of Leichtweiss-Institute for Hydraulic Engineering and Water Resources (LWI) in Braunschweig, Germany. Different pile arrangements including single, side by side, tandem, 2×2 and staggered with relative spacing ofSG/D=0.5–5 were tested. Based on the results of this study an improved understanding of the processes associated with the interaction of waves and pile groups has been achieved.