Structural Engineering and Mechanics

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A two-phase interface element for simulation of lining systems

  • Liu, X. (Department of Civil Engineering and Geosciences, Delft University of Technology) ;
  • Scarpas, A. (Department of Civil Engineering and Geosciences, Delft University of Technology) ;
  • Blaauwendraad, J. (Department of Civil Engineering and Geosciences, Delft University of Technology)
  • Published : 2001.05.25
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Abstract

The numerical formulation of a two-phase interface element appropriate for porous lining system is presented. The formulation is isoparametric and can be applied both for 2-D and 3-D analysis. Biot's theory is utilized as the basis for the development of the element constitutive theory. In order to be capable of simulating the reinforcing characteristics of some geotextiles utilized as lining system, a reinforcement component has also been implemented into the formulation. By employing this specially developed interface finite element, the influence of soil consolidation on the stress distribution along the lining system of a reservoir and a landfill has been investigated.

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References

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