Design considerations for GCLs in leach pad liner systems

October 1st, 2014 / By: / Feature, Geomembranes

By Chris Athanassopoulos and Mark Smith Introduction Traditionally, leach pad lining systems have consisted of a single geomembrane liner placed directly over a prepared subgrade of locally available soil or, occasionally, compacted clay. Heap fills are most commonly constructed by placing a layer of highly-permeable drainage stone (overliner) over the geomembrane, usually with perforated drainage […]


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