Hydraulic conductivity of desiccated geosynthetic clay liners
Article Abstract:
The hydraulic conductivity of geosynthetic clay liners (GCL) undergoing a wetting-drying cycle has been investigated. The GCLs are found to be capable of self-healing after the cycle. The long-term, steady-state hydraulic conductivity value after the cycle is found to be basically the same as the value for the undessicated GCL. Similar results are reported for soil containing montmorillonite.
Publication Name: Journal of Geotechnical and Geoenvironmental Engineering
Subject: Science and technology
ISSN: 1090-0241
Year: 1997
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Estimating field hydraulic conductivity of compacted clay
Article Abstract:
The relationship between hydraulic conductivity and effective stress is investigated. Such a relationship is crucial for planning landfill closures, since the clay liner could experience high effective stress. Analysis indicates that the decrease in hydraulic conductivity is directly caused by a decrease in void ratio. Hydraulic conductivity can thus be obtained by determining the void ratio.
Publication Name: Journal of Geotechnical and Geoenvironmental Engineering
Subject: Science and technology
ISSN: 1090-0241
Year: 1997
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Laboratory modeling of laterally-loaded drilled shafts in clay
Article Abstract:
Laterally-loaded drilled shafts in clay have been modeled. Construction data reveal that shafts are usually short and stubby and frequently behave as rigid parts when experiencing lateral loads. However, lateral load tests are not performed in a majority of scenarios for the design of laterally loaded shafts, mainly due to cost constraints posed by field tests.
Publication Name: Journal of Geotechnical and Geoenvironmental Engineering
Subject: Science and technology
ISSN: 1090-0241
Year: 1997
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