Effect of Permeameter and Leachate on a Clay Linerby Thomas M. Brunelle, Dell Engineering Inc, Holland, MI, USA,
Leroy R. Dell, Dell Engineering Inc, Holland, MI, USA,
Charles J. Meyer, Dell Engineering Inc, Holland, MI, USA,
Abstract: Hydraulic conductivity tests were performed on a natural clay liner material using leachate from an active Type II landfill. Comparative tests were conducted using flexible wall permeameters, consolidation-cell permeameters, and double ring compaction-mold permeameters at a gradient of 100. Vertical stresses in the consolidation-cell and flexible well permeameters were adjusted to replicate confining pressures in the field. These tests were performed in order to evaluate the possibility of sidewall leakage in the fixed wall permeameters, and to determine if overburden pressures at the landfill had a significant influence on the permeability of the clay liner.
Subject Headings: Clay liners | Permeability (soil) | Clays | Leachates | Hydraulic conductivity | Landfills | Material properties
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