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Volume 34 Issue 1
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CAO Quan, SHI Jian-yong, LEI Guo-hui, AI Ying-bo. Calculation of ultimate bearing capacity of jacked-in piles in soft soil based on seismic piezocone penetration tests[J]. Chinese Journal of Geotechnical Engineering, 2012, 34(1): 51-57.
Citation: CAO Quan, SHI Jian-yong, LEI Guo-hui, AI Ying-bo. Calculation of ultimate bearing capacity of jacked-in piles in soft soil based on seismic piezocone penetration tests[J]. Chinese Journal of Geotechnical Engineering, 2012, 34(1): 51-57.
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Calculation of ultimate bearing capacity of jacked-in piles in soft soil based on seismic piezocone penetration tests

  • 1. Geotechnical Engineering Institute, Hohai University, Nanjing 210098, China; 2. Key Laboratory of Ministry of Education for Geomechanics and Embankment Engineering, Hohai University, Nanjing 210098, China; 3. Shenzhen Municipal Design and Research Institute Co., Ltd., Shenzhen 518029, China )

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  • Received Date: December 07, 2010
  • Published Date: January 19, 2012
    Graphical Abstract
    • Abstract
  • According to the characteristics of installation of seismic piezocone penetration testSCPTu) penetrometers and jacked-in piles, the penetration process is simulated by means of the cavity expansion theory. Based on this evaluation, the analytical solutions of the limit pressure of spherical and cylindrical cavities are presented. According to the analytical solutions and comparison of forces between SCPTu penetrometers and the piles, an analytical relationship between the data measured from SCPTu and the ultimate bearing capacity of a single pile is established. Compared with the axial load tests on a single pile in the field, the value of the new analytical solution which is used to predict the ultimate bearing capacity of jacked-in piles by utilizing the SCPTu data is verified.
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    • References (19)
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