Volume 24 Issue 6
Dec.  2018
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Article Navigation >  Journal of Geomechanics  > 2018  >  24(6): 849-854
HU Hesong, LIAO Xiangying, CHEN Xiaobin, 2018. THE APPLICATION OF MODIFIED CAM-CLAY MODEL IN DPC PILE-SOIL INTERFACE. Journal of Geomechanics, 24 (6): 849-854. DOI: 10.12090/j.issn.1006-6616.2018.24.06.088
Citation: HU Hesong, LIAO Xiangying, CHEN Xiaobin, 2018. THE APPLICATION OF MODIFIED CAM-CLAY MODEL IN DPC PILE-SOIL INTERFACE. Journal of Geomechanics, 24 (6): 849-854. DOI: 10.12090/j.issn.1006-6616.2018.24.06.088
shu

THE APPLICATION OF MODIFIED CAM-CLAY MODEL IN DPC PILE-SOIL INTERFACE

doi: 10.12090/j.issn.1006-6616.2018.24.06.088
  • 1.

    Guangzhou Institute of building science, Guangzhou 510440, Guangdong, China

  • 2.

    School of Civil Engineering, Central South University, Changsha 410083, Hunan, China

More Information
  • Received: 2018-06-10
  • Revised: 2018-10-10
  • Published: 2018-12-28
    Abstract
  • A series of large direct shear tests were carried out for the DPC pile-soil structure layer. Based on the experimental analysis, the critical stress ratio was introduced considering the influence of DPC pile-soil layer grouting, and a modified cam-clay model which can describe the strain softening was constructed. The direct shear tests show that the shear behavior of DPC pile-soil structure layer is shear softening, with obvious peak strength and residual strength, and the structure layer shows structural properties. The results of these tests are well reflected in the modified Cam-clay model. The conclusion has guiding significance for the design of DPC piles.

     

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