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Mingyuan WANG, Kuanjun WANG, Lipei ZHOU, Shengjie DI, Bin XU. Analysis of Geological Parameters Based on CPTU and Its Application in Offshore Wind Farm[J]. SOUTHERN ENERGY CONSTRUCTION, 2018, 5(2): 37-46. DOI: 10.16516/j.gedi.issn2095-8676.2018.02.005
Citation: Mingyuan WANG, Kuanjun WANG, Lipei ZHOU, Shengjie DI, Bin XU. Analysis of Geological Parameters Based on CPTU and Its Application in Offshore Wind Farm[J]. SOUTHERN ENERGY CONSTRUCTION, 2018, 5(2): 37-46. DOI: 10.16516/j.gedi.issn2095-8676.2018.02.005

Analysis of Geological Parameters Based on CPTU and Its Application in Offshore Wind Farm

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  • Received Date: June 03, 2018
  • Revised Date: June 07, 2018
  •   [Introduction]  In the geotechnical investigation of offshore projects, the drilling disturbance of the soil sample may be very large, which may lead to the unreliability of laboratory tests. As one of the most important method of in-situ tests offshore, piezocone penetration (CPTU) test has been more and more used in China and abroad.
      [Method]  Therefore, the strata classification and soil parameters analysis methods based on CPTU are summarized and analyzed.On this basis, the analysis methods are applied to offshore wind farm in China, and the applicability of current soil parameters interpretation methods are further evaluated.
      [Result]  The results show that the experience parameters which adopted in abroad may overestimate the soil parameters. It is recommended to calibrate the experience parameters of interpretation formulae in combination with the characteristic of offshore strata in China.
      [Conclusion]  Based on the experiment test and in-situ test data of regional soil in seabed of Jiangsu, Zhejiang and Fujian, we demonstrate that it is workable to improve and calibrate the parameter of empirical formula. This work can provide some guidances for further study on offshore wind farm design.
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