Assessing the Use of Sewage Sludge Cake Ash to Stabilize Black Cotton Soils

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dc.contributor.authorLuggya Mark Anthony
dc.date.accessioned2025-05-13T12:21:08Z
dc.date.available2025-05-13T12:21:08Z
dc.date.issued2025-04-16
dc.descriptionUndergraduate
dc.description.abstractThis research investigates the stabilization of black cotton soil using sewage sludge cake ash (SSCA) for subgrade construction. Black cotton soils, known for their low load-bearing capacity and high water affinity, pose challenges in road construction. This study explores the potential of SSCA, rich in calcium oxide, to enhance soil properties through pozzolanic reactions. Various tests, including the California Bearing Ratio (CBR), Atterberg limits, and Unconfined Compressive Test (UCS), were conducted on soil samples from Kitgum district. The results showed that a 15% SSCA mix improved the soil's CBR to 15.4%, reduced the plasticity index to 14.8%, and achieved a UCS of 0.33 MPa. The findings suggest that SSCA can partially stabilize black cotton soil, making it more suitable for subgrade construction, though further research on additional stabilizers is recommended.
dc.identifier.urihttps://hdl.handle.net/20.500.12311/2650
dc.language.isoen
dc.publisherUganda Christian University
dc.titleAssessing the Use of Sewage Sludge Cake Ash to Stabilize Black Cotton Soils
dc.typeThesis

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Bachelor of Science in Civil and Environmental Engineering