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T-bar Penetration Tests in Fujian Cohesive Soil

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Book cover Proceedings of GeoShanghai 2018 International Conference: Multi-physics Processes in Soil Mechanics and Advances in Geotechnical Testing (GSIC 2018)

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Abstract

The effect of cyclic loading on the strength of the soft soils is considerable in in-situ tests of offshore engineering. Parameters obtained by T-bar cyclic penetration test are crucial to evaluate the undrained shear strength of original and disturbed soil, due to solving the error caused by the very low resistance and the correction of overburden pressure in piezocone test (CPTU). Results of a series of tests which consist of T-bar penetration tests, vane shear tests and CPTU at Fujian hydraulic reclamation sites are presented in this research. The determination of the undrained shear strength (su) based on T-bar penetration tests is validated by the data from vane shear tests. It is shown that the bearing capacity factor (NT-bar) is limited from of 9 to 10, which is identical with the theoretical value. The T-bar penetration test is shown to be effective comparing with CPTU.

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Authors and Affiliations

  1. Institute of Geotechnical Engineering, Southeast University, Nanjing, 210096, China

    P. Peng, G. J. Cai & S. Y. Liu

Authors
  1. P. Peng
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  2. G. J. Cai
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  3. S. Y. Liu
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Corresponding author

Correspondence to G. J. Cai .

Editor information

Editors and Affiliations

  1. University of Toledo, Toledo, OH, USA

    Liangbo Hu

  2. Geotechnical Engineering, Tongji University, Shanghai, China

    Xiaoqiang Gu

  3. The University of Akron, Akron, OH, USA

    Junliang Tao

  4. Royal Melbourne Institute of Technology, Melbourne, VIC, Australia

    Annan Zhou

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Peng, P., Cai, G.J., Liu, S.Y. (2018). T-bar Penetration Tests in Fujian Cohesive Soil. In: Hu, L., Gu, X., Tao, J., Zhou, A. (eds) Proceedings of GeoShanghai 2018 International Conference: Multi-physics Processes in Soil Mechanics and Advances in Geotechnical Testing. GSIC 2018. Springer, Singapore. https://doi.org/10.1007/978-981-13-0095-0_55

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