Study on the loess soil improved by soil-cement columns for wind turbine foundation

  • Affiliations:

    1 Faculty of Civil Engineer, Hanoi University of Mining and Geology, Vietnam
    2 Faculty of Civil Engineer, University of Transport and Communications, Vietnam
    3 Falculty of Civil Engineering, Electric power University, Vietnam

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  • Received: 18th-Oct-2020
  • Revised: 16th-Nov-2020
  • Accepted: 31st-Dec-2020
  • Online: 31st-Dec-2020
Pages: 109 - 115
Views: 1225
Downloads: 551
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The paper presents the foundation solution for wind turbine in the extreme geotechnical condition. With the features of loose and foam loess and easier to settle when wet condition, it needs improving before construction. In the scope of the paper, the deep mixing soil-cement column combined of soil-cement load transfer layer for loess improvement is proposed. Additionally, the sequence of settlement prediction is described, and the two cases of column distance are 2 m and 1,5 m, the diameters of column range from 0,5 to 0,8 m are analysed. Moreover, the cement mixing ratio in loess is considered. The analytical results indicate that the settlement of wind turbine foundation is lower the the limited settlement (78,51 mm <80 mm) when the load transfer layer equals 1,5 m and the improvement ratio (Ac/A) of 0,145 and the cement/soil mixture ratio of 6%.

How to Cite
Hoang, P.Dinh, Nguyen, D.Cong and Chu, T.Viet 2020. Study on the loess soil improved by soil-cement columns for wind turbine foundation (in Vietnamese). Journal of Mining and Earth Sciences. 61, 6 (Dec, 2020), 109-115. DOI: