Suitability of Irbid Clay as Compacted Liners for Landfill, Jordan
- 1 Department of Civil Engineering, Abu Dhabi University, Abu Dhabi, UAE
- 2 Department of Civil Engineering, German Jordanian University, Amman, Jordan
Abstract
The goal of this study is to investigate the possibility of using the Irbid city clayey soil as compacted clay liner. The geotechnical properties and the permeability characteristics of compacted clayey soil sample obtained from the eastern part of Irbid city were determined to evaluate their suitability as compacted clay liner. Falling head permeability test, unconfined compressive strength and volumetric shrinkage test were conducted on soil samples that were compacted at about 0% and 3% wet of its optimum water content. The leakage rates expected through clay-only and composite geomembrane-clay liners were determined. It could be concluded based on the results of the geotechnical tests and leachate rate calculations that Irbid clay is appropriate to be used as compacted landfill liner material.
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