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Numerical Analysis For Mechanisms of a Geocell-Reinforced Base Under a Vertical Load

  • J. Han
  • , X. M. Yang
  • , D. Leshchinsky
  • , R. L. Parsons
  • , A. Rosen
  • University of Kansas
  • University of Delaware
  • PRS Mediterranean Ltd.

Research output: Contribution to book or proceedingConference articlepeer-review

13 Scopus citations

Abstract

Geocells have a three-dimensional cellular structure, which can be used to stabilize foundations in soft soil by increasing bearing capacity and reducing settlements. However, a considerable gap exists between the applications and the theories for the mechanisms of geocell-reinforced foundations. This paper presents a mechanistic analysis of a geocell-reinforced gravel base over soft subgrade under a vertical load using a three-dimensional numerical method. In this study, model tests on unreinforced and geocell-reinforced gravel bases on soft subgrade were modeled. The numerical results are compared reasonably well with the test data. In addition, the stresses and displacements in the bases and at the interface between the base and the subgrade and tensile stresses and shear stresses acting on the geocell sheets were examined.
Original languageAmerican English
Title of host publicationGeosynthetics in Civil and Environmental Engineering - Geosynthetics Asia 2008
Subtitle of host publicationProceedings of the 4th Asian Regional Conference on Geosynthetics
EditorsGuangxin Li, Yunmin Chen, Xiaowu Tang
Pages741-746
Number of pages6
DOIs
StatePublished - Mar 6 2009

Publication series

NameGeosynthetics in Civil and Environmental Engineering - Geosynthetics Asia 2008: Proceedings of the 4th Asian Regional Conference on Geosynthetics

Scopus Subject Areas

  • Environmental Engineering
  • Polymers and Plastics
  • Civil and Structural Engineering
  • Geotechnical Engineering and Engineering Geology

Keywords

  • Base
  • Geocell
  • Numerical analysis
  • Subgrade

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