Infiltration tests on fractured compacted clay

Article Abstract:

Authors M.C. McBrayer, M. Mauldon, E.C. Drumm and G.V. Wilson conclude their study on the hydraulic conductivity of compacted clay subjected to cycles of of wetting-drying or freezing-thawing with the observation that cracks due to these cycles do not fully heal upon hydration. Several other studies, however, have shown that cracks due to wetting-drying or freezing-thawing cycles actually do heal completely upon wetting. The type of clay mineral is believed to be a significant factor in the healing of cracks upon wetting.

Criticism and interpretation, Speeches, lectures and essays, Clay, McBrayer, M.C., Mauldon, M., Drumm, E.C., Wilson, G.V.

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Unsaturated hydraulic conductivity of two compacted barrier soils

Article Abstract:

J. S. Meerdink, C. H. Benson, and M. V. Khire conducted a study on the hydraulic conductivity of compacted barrier soils. Results show that when landfill covers are formed, higher compactive effort should be considered more than water content dry of optimum. However, clay covers should not be compacted dry of optimum or at high compactive effort since the cycles of the dry and wet seasons will result in a continuing decrease in dry density.

Research, Sanitary landfills, Soil permeability, Fills (Earthwork), Soil stabilization

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• Abstracts: Estimating field hydraulic conductivity of compacted clay. Laboratory modeling of laterally-loaded drilled shafts in clay

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