Offshore geotechnical challenges of the energy transition

IF 3.3 2区工程技术 Q3 ENERGY & FUELS Geomechanics for Energy and the Environment Pub Date : 2024-09-01 DOI:10.1016/j.gete.2024.100584

Susan Gourvenec

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Abstract

Offshore wind is the most mature of the offshore renewable energy technologies and has a significant role to play in the energy transition. 2000 GW of offshore wind capacity is anticipated globally by 2050 in order meet the targets of the Paris Agreement; 35 times the current installed capacity. The pace and scale of offshore wind ambitions to support the energy transition present a range of challenges for the offshore geotechnical sector and the broader offshore wind sector. Challenges extend across the life-cycle of projects from marine spatial planning, site investigation, design, manufacturing, installation, operation and decommissioning, and across the supply chain regarding availability of raw materials for foundations, anchors and mooring systems, vessels and equipment for site investigation and installation, and trained geotechnical personnel. This paper identifies five key challenges and sets out the necessary shifts in technology, culture and practice in geotechnical engineering to achieve the ambitious targets to deliver offshore wind at the pace and scale required for the energy transition. The paper closes with a reflection on the consequence of delaying or not meeting net-zero targets, and thus identifying the urgency for these shifts in technology, culture and practice to be developed and adopted.

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能源转型带来的近海岩土工程挑战

海上风能是最成熟的海上可再生能源技术，在能源转型中发挥着重要作用。为实现《巴黎协定》的目标，预计到 2050 年全球海上风电装机容量将达到 2000 千兆瓦，是目前装机容量的 35 倍。海上风电支持能源转型的速度和规模给海上岩土工程行业和更广泛的海上风电行业带来了一系列挑战。挑战贯穿项目的整个生命周期，包括海洋空间规划、现场勘测、设计、制造、安装、运营和退役，以及整个供应链中的地基、锚和系泊系统原材料、现场勘测和安装船只和设备以及训练有素的岩土技术人员。本文指出了五大挑战，并阐述了岩土工程技术、文化和实践方面的必要转变，以实现以能源转型所需的速度和规模交付海上风电的宏伟目标。最后，本文对延迟或无法实现净零目标的后果进行了反思，从而明确了发展和采用这些技术、文化和实践转变的紧迫性。

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来源期刊

Geomechanics for Energy and the Environment Earth and Planetary Sciences-Geotechnical Engineering and Engineering Geology

CiteScore

5.90

自引率

11.80%

发文量

期刊介绍： The aim of the Journal is to publish research results of the highest quality and of lasting importance on the subject of geomechanics, with the focus on applications to geological energy production and storage, and the interaction of soils and rocks with the natural and engineered environment. Special attention is given to concepts and developments of new energy geotechnologies that comprise intrinsic mechanisms protecting the environment against a potential engineering induced damage, hence warranting sustainable usage of energy resources. The scope of the journal is broad, including fundamental concepts in geomechanics and mechanics of porous media, the experiments and analysis of novel phenomena and applications. Of special interest are issues resulting from coupling of particular physics, chemistry and biology of external forcings, as well as of pore fluid/gas and minerals to the solid mechanics of the medium skeleton and pore fluid mechanics. The multi-scale and inter-scale interactions between the phenomena and the behavior representations are also of particular interest. Contributions to general theoretical approach to these issues, but of potential reference to geomechanics in its context of energy and the environment are also most welcome.