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Heat Transfer in a Geosynthetics Composite Liner System Containing Wrinkles

  • Mayu Tincopa
  • Abdelmalek Bouazza
  • R. Kerry Rowe
Conference paper
Part of the Springer Series in Geomechanics and Geoengineering book series (SSGG)

Abstract

Wrinkles commonly form in geomembrane-based liners system due to exposure to the fluctuations of solar radiation. Generally, air-gaps are present underneath the wrinkles in the geomembrane if devoid of defects. These air-gaps have low thermal conductivity, which may lead to a reduction of the temperature gradient across the liner including the subgrade soil. This paper presents a two-dimension numerical analysis of heat transfer for a geomembrane-geosynthetic clay liner composite liner system. The 2-D numerical analysis of heat transfer shows that the positive effect of the air-gap was minimised due to the lateral heat transfer. Two-dimensional finite element predictions have confirmed that the air-gaps may not significantly reduce the heat transfer towards the subgrade soil.

Keywords

Wrinkles Geomembrane Heat transfer 

References

  1. 1.
    Rowe, R., Chappel, M., Brachman, R., Take, W.: Field study of wrinkles in a geomembrane at a composite liner test site. Can. Geotech. J. 49(10), 1196–1211 (2012)CrossRefGoogle Scholar
  2. 2.
    Bouazza, A., Ali, M., Rowe, R.K., Gates, W., El-Zein, A.: Heat mitigation in geosynthetic clay liners exposed to elevated temperatures. Geotext. Geomembr. 45(5), 406–417 (2017)CrossRefGoogle Scholar
  3. 3.
    Take, W.A., Watson, E., Brachman, R.W.I., Rowe, R.K.: Thermal expansion and contraction of geomembrane liners subjected to solar exposure and backfilling. J. Geotech. Geoenviron. Eng. 138(11), 1387–1397 (2012)CrossRefGoogle Scholar
  4. 4.
    Bouazza, A., Singh, R.M., Rowe, R.K., Gassner, F.: Heat and moisture migration in a geomembrane-GCL composite liner subjected to high temperatures and low vertical stresses. Geotext. Geomembr. 42(5), 555–563 (2014)CrossRefGoogle Scholar

Copyright information

© Springer Nature Switzerland AG 2018

Authors and Affiliations

  • Mayu Tincopa
    • 1
  • Abdelmalek Bouazza
    • 1
  • R. Kerry Rowe
    • 2
  1. 1.Monash UniversityMelbourneAustralia
  2. 2.Queen’s UniversityKingstonCanada

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