Enden Mina (2019) Utilization Of Steel Slag And Fly Ash In Soil Stabilization And Their Effect To California Bearing Ratio (CBR) Value. (Case Study: Kp. Kadusentar Road Medong Village Mekarjaya Subdistrict Pandeglang District). EC00201979569.

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Abstract

Road construction is not always on good subgrade, there is possibility being built on subgrade which has low soil bearing capacity which could cause damages such as holes and bumps on the pavement road. One of the parameters to determine soil bearing capacity is Californian Bearing Ratio(CBR) value. This study aims to determine the effect of steel slag and fly ash to soil CBR value and its effect on soil physical properties. Soil samples were taken from Kadusentar Village of Pandeglang District Banten. The method of soil stabilization used percentage variation admixture of 20% fly ash mixed with 0%, 10%, 20% and 30% of steel slag from soil total weight. The analysis results showed that original soil samples can be classified as non-organic clay soil with high plasticity. The CBR laboratory test result showed that variation of 20% fly ash and 20% steel slag with 7 days ripening give the optimum value of CBR increased from 3.524% became 26.14%. The highest CBR value of this mixture can be categorized as good classification of subgrade. Plasticity index value decreased became 4.57% which can be categorized as lowplasticity.

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