Characteristics and practice of marine new energy geotechnical engineering under the carbon peaking and carbon neutrality goals

Shan Zhigang; Sun Miaojun; Zhou Bohan; Hu Shijun; Zhang Yan

doi:10.20265/j.cnki.issn.1007-2993.2024-0500

Volume 39 Issue 6

Dec. 2025

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Shan Zhigang, Sun Miaojun, Zhou Bohan, Hu Shijun, Zhang Yan. Characteristics and practice of marine new energy geotechnical engineering under the carbon peaking and carbon neutrality goals[J]. GEOTECHNICAL ENGINEERING TECHNIQUE, 2025, 39(6): 791-800. doi: 10.20265/j.cnki.issn.1007-2993.2024-0500

Citation:

Shan Zhigang, Sun Miaojun, Zhou Bohan, Hu Shijun, Zhang Yan. Characteristics and practice of marine new energy geotechnical engineering under the carbon peaking and carbon neutrality goals[J]. GEOTECHNICAL ENGINEERING TECHNIQUE, 2025, 39(6): 791-800. doi: 10.20265/j.cnki.issn.1007-2993.2024-0500

Citation:

Shan Zhigang, Sun Miaojun, Zhou Bohan, Hu Shijun, Zhang Yan. Characteristics and practice of marine new energy geotechnical engineering under the carbon peaking and carbon neutrality goals[J]. GEOTECHNICAL ENGINEERING TECHNIQUE, 2025, 39(6): 791-800. doi: 10.20265/j.cnki.issn.1007-2993.2024-0500

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Characteristics and practice of marine new energy geotechnical engineering under the carbon peaking and carbon neutrality goals

doi: 10.20265/j.cnki.issn.1007-2993.2024-0500

Shan Zhigang^{1, 2, 3
,},
Sun Miaojun^{1, 2, 3},
Zhou Bohan^{1, 2, 3},
Hu Shijun^{1, 2, 3},
Zhang Yan^{1, 2, 3
,}

1.
PowerChina Huadong Engineering Co., Ltd., Hangzhou 311122, Zhejiang, China
2.
Zhejiang Huadong Geotechnical Engineering Investigation & Design Institute Co., Ltd., Hangzhou 310030, Zhejiang, China
3.
Marine Geotechnical Engineering Investigation Technology and Equipment, Zhejiang Engineering Research Center, Hangzhou 310030, Zhejiang, China

Received Date: 2024-10-31
Accepted Date: 2025-03-06
Rev Recd Date: 2025-02-13

Available Online: 2025-12-08

Publish Date: 2025-12-08

Abstract

Abstract

The complex marine environment and geological conditions make it difficult to implement and evaluate geotechnical engineering exploration and testing for offshore wind power. This study aims to address the main problems existing in current offshore wind power investigation, based on a large number of practices in offshore wind power geotechnical engineering investigation, systematically sorts out the countermeasures from three aspects: offshore geotechnical engineering exploration equipment, offshore precise detection and in-situ testing technologies, and the construction of offshore geotechnical engineering investigation and evaluation system. In terms of exploration equipment, it covers jack-up platforms for different water depths (e.g., the 75 m-class "Huadong Institute 308" with a maximum water depth of 80 m), comprehensive investigation vessels, wave-compensated casing systems (with a compensation range of 1.5～2.0 m and a maximum drilling depth of 1500 m), and a series of sampling devices. In terms of technologies, precision positioning (with a mean error of plane and elevation of ≤5 cm and 10 cm, respectively), comprehensive geophysical prospecting combination methods, and improved in-situ testing technologies have been developed. The evaluation system includes the evaluation of unfavorable geology and the division of 4 types of seismic zones, and proposes a parameter selection technology based on CPTU. These achievements have been applied to nearly 100 wind farms, covering 70% of the national grid-connected capacity, supporting the construction of over 4,000 marine foundations and other structures, and formulating multiple national standards, thus providing technical support for offshore wind power projects.
- new energy sources,
- offshore wind farm,
- geotechnical engineering,
- investigation equipment,
- precise detection,
- in-situ tests,
- investigation evaluation system

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References(26)

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Characteristics and practice of marine new energy geotechnical engineering under the carbon peaking and carbon neutrality goals

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Characteristics and practice of marine new energy geotechnical engineering under the carbon peaking and carbon neutrality goals

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