Offshore renewable energy (ORE) foundations on rock seabeds: Advancing design through analogue testing and modelling

岩石海底的海上可再生能源 (ORE) 基础：通过模拟测试和建模推进设计

• 批准号: 2871946
• 金额: --
• 依托单位: University of Southampton
• 依托单位国家: 英国
• 项目类别: Studentship
• 财政年份: 2023
• 资助国家: 英国
• 起止时间: 2023 至 无数据
• 项目状态: 未结题
• 来源: https://gtr.ukri.org/projects?ref=studentship-2871946
• 关键词: Offshore; renewable; energy; ORE; foundations

This project aims to advance the understanding and design of foundation systems on rock seabeds, to support the necessary expansion of offshore renewables energy (ORE, e.g. wind turbines or wave energy converters). The project will develop new analysis techniques, inspired by new approaches for experimental testing of small scale foundation models installed in rock material.ORE devices are often located in energetic sites (e.g. Celtic Sea), where sediments have been washed away, leaving a bare rocky seabed. The design of ORE device's foundations or anchors (e.g. drilled piles) is very conservative and costly because of a lack of understanding of rock-foundation interactions and design guidance. Innovation and new design guidance are needed to drive foundation cost down, and must be supported by experimental evidence. However, field testing of large scale foundations is extremely expensive. Smaller scale lab testing is limited to intact rock samples, with no geological features (e.g. discontinuities). So advanced modelling is needed at an intermediate scale.We propose to develop a process to create artificial rock samples (rock analogues), which will mimic the main geological features of rock masses encountered in the field. This will enable the testing of small scale foundations in a repeatable/reliable way.

该项目旨在促进对岩石海床基础系统的理解和设计，以支持海上可再生能源（ORE，例如风力涡轮机或波浪能转换器）的必要扩展。该项目将开发新的分析技术，受到安装在岩石材料中的小型基础模型实验测试的新方法的启发。矿石装置通常位于能量充沛的地点（例如凯尔特海），那里的沉积物已经被冲走，留下一个光秃秃的岩石海床。由于缺乏对岩石-基础相互作用的理解和设计指导，矿石装置的基础或锚（如钻孔桩）的设计非常保守和昂贵。需要创新和新的设计指导来降低基础成本，并且必须有实验证据支持。然而，大型地基的现场测试是非常昂贵的。较小规模的实验室测试仅限于完整的岩石样品，没有地质特征（例如不连续）。因此，在中等规模上需要先进的建模。我们建议开发一种过程来创建人工岩石样本（岩石类似物），它将模拟在野外遇到的岩体的主要地质特征。这将有助于以可重复/可靠的方式对小型地基进行测试。