A 3D experimental methodology for investigating wave-induced pore pressures in the seabed around a monopile foundation

IF 4.4 2区 工程技术 Q1 ENGINEERING, OCEAN
Maria Gkougkoudi-Papaioannou , Yuri Pepi , Maximilian Streicher , Bruno Stuyts , Christof Devriendt , Peter Troch
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引用次数: 0

Abstract

The increasing focus on understanding wave–structure–soil interactions has highlighted the need for experimental studies on pore pressure measurements around monopile foundations during wave loading. Physical modelling in large-scale wave basins provides valuable insights into these complex interactions under controlled conditions. However, challenges such as scour formation, sediment transport, installation and compaction of the sediment, and potential boundary effects make the replication of realistic seabed conditions particularly demanding. In response to these challenges, this study presents new guidelines based on experience gained from a unique set of 3D experiments conducted in a large wave basin. The experimental setup utilised sediment dredged from the North Sea to replicate in-situ conditions, ensuring a representative foundation response. Both regular waves, aimed at providing a fundamental understanding, and irregular long- and short-crested waves, designed to better simulate real engineering conditions, were generated. This study details sediment preparation, compaction strategies, boundary effects, physical setup and instrumentation, offering guidance for future experimental research at the intersection of geotechnical and coastal engineering.
一种用于研究单桩基础周围海床波浪诱导孔隙压力的三维实验方法
随着对波浪-结构-土壤相互作用理解的日益关注,波浪荷载作用下单桩基础周围孔隙压力测量的实验研究显得尤为重要。大尺度波盆的物理模拟为受控条件下这些复杂的相互作用提供了有价值的见解。然而,诸如冲刷形成、沉积物运输、沉积物的安装和压实以及潜在的边界效应等挑战使得对真实海底条件的复制特别苛刻。为了应对这些挑战,本研究根据在大波盆中进行的一组独特的3D实验获得的经验提出了新的指导方针。实验装置利用从北海疏浚的沉积物来复制现场条件,确保具有代表性的基础响应。为了提供基本的理解,他们产生了规则波,为了更好地模拟真实的工程条件,他们产生了不规则的长波峰和短波峰。该研究详细介绍了沉积物制备、压实策略、边界效应、物理设置和仪器,为岩土与海岸工程交叉领域的实验研究提供了指导。
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来源期刊
Applied Ocean Research
Applied Ocean Research 地学-工程:大洋
CiteScore
8.70
自引率
7.00%
发文量
316
审稿时长
59 days
期刊介绍: The aim of Applied Ocean Research is to encourage the submission of papers that advance the state of knowledge in a range of topics relevant to ocean engineering.
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