Hydraulic durability of geosynthetic clay liners in steep slope sealing systems for landfills constructed in former quarries

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Hydraulic durability of geosynthetic clay liners in steep slope sealing systems for landfills constructed in former quarries. Old quarries are increasingly used for the construction of landfills. The engineering challenge in constructing such landfills includes developing an appropriate lining system for the often steep sided quarry walls. The use of GCLs as part of the lining system can be a viable and a cost effective solution. However, this solution suffers from the lack of meaningful data on their hydraulic durability in this particular situation. This proposal presents an original approach to investigate this durability under operating conditions typically encountered in steep sided quarries. This work is expected to provide benefits to waste containment efforts at national and international level.