STABILIZATION OF LATERITIC SOIL WITH SAW DUST ASH
Abstract
Soil stabilization is an important technique used in civil engineering to improve the engineering properties of weak soils. Lateritic soils are widely used as construction materials in tropical regions but often exhibit poor strength and durability. This study investigates the stabilization of lateritic soil using saw dust ash (SDA), an agricultural waste product obtained from the burning of sawdust. The lateritic soil samples were collected, dried, and mixed with different percentages of saw dust ash. Laboratory tests such as Atterberg limits, compaction test, and California Bearing Ratio (CBR) test were conducted to evaluate the improvement in soil properties. The results showed that the addition of saw dust ash improved the strength and reduced the plasticity of the soil. This study concludes that saw dust ash can be effectively used as a stabilizing material for lateritic soil, thereby reducing construction cost and promoting environmental sustainability through waste utilization.
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