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Volume 38 Issue 9
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ZHANG Hao, SHI Ming-lei, GUO Yuan-cheng. Analytic model for load effects in geosynthetic-reinforced and pile-supported embankment based on segmented load transfer algorithm[J]. Chinese Journal of Geotechnical Engineering, 2016, 38(9): 1630-1639. DOI: 10.11779/CJGE201609010
Citation: ZHANG Hao, SHI Ming-lei, GUO Yuan-cheng. Analytic model for load effects in geosynthetic-reinforced and pile-supported embankment based on segmented load transfer algorithm[J]. Chinese Journal of Geotechnical Engineering, 2016, 38(9): 1630-1639. DOI: 10.11779/CJGE201609010
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Analytic model for load effects in geosynthetic-reinforced and pile-supported embankment based on segmented load transfer algorithm

  • 1. School of Civil Engineering, Zhengzhou University, Zhengzhou 450001, China;
    2. School of Transportation, Southeast University, Nanjing 210096, China

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  • Received Date: July 19, 2015
  • Published Date: September 24, 2016
    Graphical Abstract
    • Abstract
  • In order to systematicaly analyze the load transfer in geosynthetic-reinforced and pile-supported embankment (GRPS), firstly, based on the unit cell model and the theory of Marston, a segmented analytic model for load transfer in embankment is established by combining the static equilibrium equation for each segment with the continuity condition of boundary displacement. The analytic model especially considers the influence of vertical stress level and the play of shear strength into account. On this basis, the geomembrane effect is analyzed based on the theory of tensioned membrane, and the pile-soil interaction in composite foundation is analyzed using the segmented analytic model. According to the continuity condition of stress and displacement, an integrated method for analyzing the load transfer in GRPS is proposed, which can take good care of the interaction between embankment fills, reinforced cushion and rigid pile composite foundation. The proposed method is validated by comparing the monitoring data in a project. The factors which affect the pile-soil load effects, such as the play of shear strength of fills, geomembrane effect and properties of cushion, are systematically analyzed. The proposed method is applicable in the working mechanism analysis of GRPS.
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    • References (19)
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