oa Civil Engineering = Siviele Ingenieurswese - The effect of geogrid position on the integrity of clay liners : geotechnical engineering
The performance of clay liners can, even after appropriate design and construction, be compromised by differential settlement of the underlying material, should this occur. CCLs are unable to withstand tensile strains and maintain their integrity. Even at low deformation levels tensile strains are induced in the clay, which may cause cracking (Ajaz & Parry 1975). The hydraulic conductivity and strength of the clays may thus be affected by these phenomena and may create possible flow paths in the clay for contaminants such as leachates.
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