IDEAS home Printed from https://ideas.repec.org/a/gam/jsusta/v14y2022i15p9615-d880549.html
   My bibliography  Save this article

Sensitivity Analysis of Factors Affecting the Bearing Capacity of Suction Bucket Foundation in Soft Clay

Author

Listed:
  • Bin Wang

    (Key Laboratory of Far-Shore Wind Power Technology of Zhejiang Province, Hangzhou 311122, China
    Powerchina Huadong Engineering Corporation Limited, Hangzhou 311122, China)

  • Ming-Hui Yuan

    (School of Civil Engineering, Qingdao University of Technology, Qingdao 266520, China)

  • Liang Li

    (School of Civil Engineering, Qingdao University of Technology, Qingdao 266520, China)

  • Chang-Feng Yuan

    (School of Civil Engineering, Qingdao University of Technology, Qingdao 266520, China)

  • Ying Li

    (Chinese–German Institute of Engineering, Zhejiang University of Science and Technology, Hangzhou 310023, China)

  • Kan-Min Shen

    (Powerchina Huadong Engineering Corporation Limited, Hangzhou 311122, China)

Abstract

A suction bucket is the foundation for the development of offshore wind power technology in the deep sea, and its stability is crucial to the superstructure of the wind power generation system. Combined with soft clay soil strata along the Chinese coast, the bearing capacity of suction bucket foundations was studied using a numerical model. Sensitivity factors such as soil strength with random space distribution, dimensions of foundation, wind and wave loads in different directions, and cycle times were considered. The results show that the normalized foundation bearing capacity coefficient increases with the increase of the foundation length–diameter ratio. When the foundation length–diameter ratio is less than 1.0, the foundation bearing capacity coefficient is more sensitive to the soil non-uniformity coefficient than the length–diameter ratio. When the length–diameter ratio of the suction bucket is large enough, the influence of the soil non-uniformity coefficient on the bearing capacity of the suction bucket foundation gradually diminishes. When the direction of wind and wave loads is 15°, the bearing capacity of the suction bucket foundation is the weakest. Under the cyclic loads, the shallow soil strength weakens faster in the initial stage and the attenuation rate of soil strength slows down in the latter stage.

Suggested Citation

  • Bin Wang & Ming-Hui Yuan & Liang Li & Chang-Feng Yuan & Ying Li & Kan-Min Shen, 2022. "Sensitivity Analysis of Factors Affecting the Bearing Capacity of Suction Bucket Foundation in Soft Clay," Sustainability, MDPI, vol. 14(15), pages 1-14, August.
  • Handle: RePEc:gam:jsusta:v:14:y:2022:i:15:p:9615-:d:880549
    as

    Download full text from publisher

    File URL: https://www.mdpi.com/2071-1050/14/15/9615/pdf
    Download Restriction: no

    File URL: https://www.mdpi.com/2071-1050/14/15/9615/
    Download Restriction: no
    ---><---

    Citations

    Citations are extracted by the CitEc Project, subscribe to its RSS feed for this item.
    as


    Cited by:

    1. Ying Xu & Haijun Wang & Liying Zhang & Mingji Deng & Hechuan Jiang & Yaohua Guo & Xu Yang, 2022. "Research on Bearing Capacity of Secant Piled-Bucket Foundation in Saturated Clay," Sustainability, MDPI, vol. 14(18), pages 1-17, September.

    Corrections

    All material on this site has been provided by the respective publishers and authors. You can help correct errors and omissions. When requesting a correction, please mention this item's handle: RePEc:gam:jsusta:v:14:y:2022:i:15:p:9615-:d:880549. See general information about how to correct material in RePEc.

    If you have authored this item and are not yet registered with RePEc, we encourage you to do it here. This allows to link your profile to this item. It also allows you to accept potential citations to this item that we are uncertain about.

    We have no bibliographic references for this item. You can help adding them by using this form .

    If you know of missing items citing this one, you can help us creating those links by adding the relevant references in the same way as above, for each refering item. If you are a registered author of this item, you may also want to check the "citations" tab in your RePEc Author Service profile, as there may be some citations waiting for confirmation.

    For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: MDPI Indexing Manager (email available below). General contact details of provider: https://www.mdpi.com .

    Please note that corrections may take a couple of weeks to filter through the various RePEc services.

    IDEAS is a RePEc service. RePEc uses bibliographic data supplied by the respective publishers.