Abstract
AbstractCivil engineering structures constructed in black cotton (BC) soil are quite difficult. Engineers all over the world are researching on various ways of stabilizing the BC soil. To enhance the properties of BC soil, we have used RBI Grade 81 soil stabilizer. RBI Grade 81 is inorganic and inexpensive. RBI Grade 81 is used as an additive to study the change in the specific gravity, liquid, and plastic limit of BC soil. The test was performed on BC soil with the percentage addition of RBI Grade 81, such as specific gravity, LL, and PL. The used percentages of RBI Grade 81 were 2, 4, 6, 8 and 10% to improve the specific gravity, LL, and PL of black cotton soil, i.e., low value of LL and PL (water content). Lower the value of LL and PL will indicate higher in shear strength of BC soil. The tests conducted showed outcomes as expected, which give a conclusion that the RBI Grade 81 can be used to decrease the permissible value of LL and PL of BC soil.KeywordsRBI Grade 81Specific gravity (G)Liquid limit (LL)Plastic limit (PL)Plasticity index (PI)Black cotton soil
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