Abstract
Sensitivity analysis is a widely used method to analyze uncertainty in the model. The sensitivity is calculated as the ratio of the output changes and parameters changes. This study was performed using a sensitivity index for sensitivity analysis to determine the effect of reinforcement material addition on clay soil. In this study, 54 samples of soil with additional material have been prepared for the unconfined compression test. The reinforcement materials used in this test are cement, tire waste strips, and water-cement ration for the hydration process. The unconfined compression test results were then analyzed for sensitivity analysis input. Based on this study, it can be concluded that the addition of reinforcement material, including cement, and tire waste strips, and water-cement ratio, can increase the unconfined compression strength of high plasticity clay. The maximum unconfined compressive strength value is 577.10 kN/m2 with 3% of tire waste strips, 20% cement, and 35% water-cement ratio. The cement proportion is the most sensitive variable for unconfined compression strength from the sensitivity analysis. The sensitivity analysis results can help to become the baseline to help design improvement using tire waste strips on high plasticity clay.
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Nomleni, I.A., Dananjaya, R.H., Purwana, Y.M. (2023). Sensitivity Analysis on the Effect of Reinforcement Materials Addition for Soil Stabilization. In: Kristiawan, S.A., Gan, B.S., Shahin, M., Sharma, A. (eds) Proceedings of the 5th International Conference on Rehabilitation and Maintenance in Civil Engineering. ICRMCE 2021. Lecture Notes in Civil Engineering, vol 225. Springer, Singapore. https://doi.org/10.1007/978-981-16-9348-9_25
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DOI: https://doi.org/10.1007/978-981-16-9348-9_25
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