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Provides insight, guidance, and confidence in proper applications of geosynthetic clay liners (GCLs) in containment systems for liquid, solid, and hazardous waste containment systems. Summarizes the types of products, special test procedures developed over the last several years, and results of studies of hydraulic, chemical compatibility and stability issues.
The text (18 peer-reviewed papers) progresses from special testing procedures, shear strength and creep testing results, hydraulic conductivity testing, chemical compatibility issues, and specification suggestions for GCL applications. The paper Effect of Swell Pressure on GCL Cover Stability indicates greater swell pressure than typical overburden loading provides, which may compromise slope stability. The papers on shear strength and long term creep also provide important insight into slope stability issues.
Perspectives on Geosynthetic Clay Liners
Effect of Normal Stress during Hydration and Shear on the Shear Strength of GCL / Textured Geomembrane Interfaces
Coombs M., Hewitt R., Soydemir C., Stulgis R.
Strength and Conformance Testing of a GCL Used in a Solid Waste Landfill Lining System
Merrill K., O'Brien A.
Short-Term and Creep Shear Characteristics of a Needlepunched Thermally Locked Geosynthetic Clay Liner
Siebken J., Swan R., Yuan Z.
Long-Term Shear Strength Behavior of a Needlepunched Geosynthetic Clay Liner
Swan R., Trauger R., Yuan Z.
Shear Strength Testing for Geosynthetic Clay Liners
Daniel D., Gilbert R., Scranton H.
Laboratory Simulation of Geosynthetic Clay Liner Application in Contaminated Liquids Evacuation
Lemelin D., Mlynarek J., Vermeersch O.
First-Exposure Performance of the Bentonite Component of a GCL in a Low-pH, Calcium-Enriched Environment
Bowders J., Gabr M., Quaranta J.
Influence of Initial Hydration Conditions on GCL Leachate Permeability
Comeaga L., Didier G.
Measurement of Hydraulic Properties of Geosynthetic Clay Liners Using a Flow Box
Daniel D., Goswami P., Trautwein S.
Laboratory Hydraulic Conductivity Testing of GCLs in Flexible-Wall Permeameters
Bowders J., Daniel D., Gilbert R.
A study of the CBR Bearing Capacity Test for Hydrated Geosynthetic Clay Liners
Chen S., De Battista D., Fox P.
Paper ID: STP1308-EB