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Volume 45 Issue S2
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SHEN Xiaopeng, LI Shuzhao, LI Wei, LIANG Wenzhou, CAO Tianming, LIU Run. Numerical simulation method for dynamic process of spudcan penetration[J]. Chinese Journal of Geotechnical Engineering, 2023, 45(S2): 208-213. DOI: 10.11779/CJGE2023S20029
Citation: SHEN Xiaopeng, LI Shuzhao, LI Wei, LIANG Wenzhou, CAO Tianming, LIU Run. Numerical simulation method for dynamic process of spudcan penetration[J]. Chinese Journal of Geotechnical Engineering, 2023, 45(S2): 208-213. DOI: 10.11779/CJGE2023S20029
shu

Numerical simulation method for dynamic process of spudcan penetration

  • 1.

    CNOOC Research Institute Co., Ltd., Beijing 100028, China

  • 2.

    State Key Laboratory of Hydraulic Engineering Intelligent Construction and Operation, Tianjin University, Tianjin 300072, China

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  • Received Date: November 29, 2023
  • Available Online: April 19, 2024
    Graphical Abstract
    • Abstract
  • Based on the coupled Euler-Lagrange (CEL) method, the process of spudcan penetration is simulated, and several parameters affecting the calculated results are analyzed. The results show that the reasonable parameters in the CEL method can effectively simulate the penetration resistance results of centrifugal model tests. The large mesh size in the model will cause the calculated results to shake, so it is recommended to take 0.05 times the diameter of spudcan. Slow spudcan penetration speed v, has small influences on the lower penetration resistance, and it is recommended to be 1 m/s. The friction coefficient f between spudcan and soil has small influences on the penetration resistance, and smooth contact is recommended in clay. The lateral pressure coefficient K0 of the geostress step should be coordinated with other soil parameters, and it is recommended to be 1 for clay.
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    • References (24)
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