Experimental Study of Clay Stabilization with Quick Lime Activated by Gum Rosin and Iron Oxide
International Journal of Civil Engineering |
© 2018 by SSRG - IJCE Journal |
Volume 5 Issue 7 |
Year of Publication : 2018 |
Authors : Sofwan, Lawalenna Samang, Tri Harianto, Achmad Bakri Muhiddin |
How to Cite?
Sofwan, Lawalenna Samang, Tri Harianto, Achmad Bakri Muhiddin, "Experimental Study of Clay Stabilization with Quick Lime Activated by Gum Rosin and Iron Oxide," SSRG International Journal of Civil Engineering, vol. 5, no. 7, pp. 17-21, 2018. Crossref, https://doi.org/10.14445/23488352/IJCE-V5I7P104
Abstract:
This study is intended to increase the bearing capacity of expansive clay as subgrade of highway. Compressive strength of compacted original soil is 0.27 kg/cm2, and laboratory CBR value (unsoaked) is 8.9%, therefore carried out stabilization with quicklime, activated by gum rosin and iron oxide. Design mix composition resulting proportions on weigh, 100 quick lime : 10 gum rosin : 8 iron oxide which is then named KA for stabilizers. Samples are made with variation KA 5%, 10%, 15%, and 20% of the dry weight of the soil, and then tested with UCS, CBR, and Hydraulic Compressibility. Test results show that soil + 20% KA at 28 days curing, the UCS value is 117.78 kg/cm2. On 7 days curing, soil + 5% quicklime obtained CBR value is 14.82%, and soil + 5% KA obtained CBR value is 45.06% (increased by 300%). Hydraulic compressibility test result show that the soil sample is impermeable. The activation of gum rosin and iron oxide improve the performance of lime o
Keywords:
Activation, gum rosin, iron oxide, quicklime, stabilization.
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