The Influence of Adding Kepayang Shell Charcoal Residue to Clay Soil on Unconfined Compressive Strength (UCT)
DOI:
https://doi.org/10.52722/dykx2y47Keywords:
Clay, Effect of Addition, Unconfined Compression Test, Kepayang Shell Charcoal DregsAbstract
The use of soil as the foundation for civil building construction is common, but soft soils present challenges such as low bearing capacity and high land subsidence rates. To address these issues, a study was conducted on soil stabilization using kepayang shell charcoal ash. The soil for the study was sourced from Monkongloe Bulu Village in Maros Regency, South Sulawesi. Various tests including hydrometer, moisture content determination, specific gravity, Atterberg limits, sieve analysis, and Unified Soil Classification System (USCS) were utilized. The Proctor standard compaction test was used to achieve the maximum density value, and the bearing capacity of the soil was measured by adding different percentages of kepayang shell charcoal ash (2%, 4%, 6%, and 8%). The results indicated an average moisture content of 35.435% and a specific gravity of 2.591, with the soil classified as medium plasticity according to USCS. The USCS classification for the soil included organic silt and organic silty clay (OL).
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