Collaborative Project on the Long-Term Performance of Barrier Systems

LABORATORY STUDIES

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12 of the 50 Geosynthetic landfill liner simulators (GLLSs)	GLLS being prepared for testing under applied stress and temperature with leachate in the gravel

• Queen’s Geosynthetic Liner Longevity Simulators (GLLS)
• Effect of protection layers on strains in GMs with and without wrinkles under load and deformations in GCLs
• Behaviour of wrinkles under load
• Diffusion of VOCs through GMs
• Service-life of GMs
  • effect of leachate characteristics
  • effect of GM thickness
    effect of nature of exposure
  • effect of protection layer
  • effect of hydrocarbons
• Shrinkage of GCLs
  • effect of GM wrinkles on GCL shrinkage
  • effect of sample size and aspect ratio on GCL shrinkage
  • effect of GCL manufacture (type) on shrinkage
• Moisture uptake of GCLs
• Water retention curve of GCLs