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Reliability Evaluation of Compacted Lateritic Soil Treated with Bagasse Ash as Material for Waste Landfill Barrier
Laboratory tests were conducted on a reddish brown lateritic soil treated with up to 12% bagasse ash to evaluate its suitability in waste containment barriers applications. Numerical analysis, using the first order reliability method (FORM), was done to estimate the reliability of regression model for predicting hydraulic conductivity of the soil bagasse ash mixes based on laboratory results obtained. Based on the reliability (FORM) results, compactive effort, initial degree of saturation, bagasse ash contents, and percentage fines are critical variables that must be controlled in achieving low hydraulic conductivity in the field. The model can be used in preliminary screening of borrow source materials that would meet acceptable hydraulic conductivity.
Reliability Evaluation of Compacted Lateritic Soil Treated with Bagasse Ash as Material for Waste Landfill Barrier
Laboratory tests were conducted on a reddish brown lateritic soil treated with up to 12% bagasse ash to evaluate its suitability in waste containment barriers applications. Numerical analysis, using the first order reliability method (FORM), was done to estimate the reliability of regression model for predicting hydraulic conductivity of the soil bagasse ash mixes based on laboratory results obtained. Based on the reliability (FORM) results, compactive effort, initial degree of saturation, bagasse ash contents, and percentage fines are critical variables that must be controlled in achieving low hydraulic conductivity in the field. The model can be used in preliminary screening of borrow source materials that would meet acceptable hydraulic conductivity.
Reliability Evaluation of Compacted Lateritic Soil Treated with Bagasse Ash as Material for Waste Landfill Barrier
Eberemu, Adrian O. (author) / Afolayan, Joseph O. (author) / Abubakar, Idris (author) / Osinubi, Kolawole J. (author)
Geo-Congress 2014 ; 2014 ; Atlanta, Georgia
Geo-Congress 2014 Technical Papers ; 911-920
2014-02-24
Conference paper
Electronic Resource
English
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