Abstract
In this paper, chemical stabilizer was used for soil characteristics improvement. Styrene Butadiene Rubber (SBR) polymer and lime is effectively used as an inexpensive and easily applied material for soil stabilization and its response performance was evaluated. This research studied improving the engineering properties of Residual soil by mixing it with varying percentages of chemical stabilizer. An evaluation of the effectiveness and performance of SBR and Lime as a soil stabilizer was performed over a series of laboratory tests for geotechnical soil properties. Residual soil used in this study was lateritic soil. The soil was mixed with various amounts of stabilizer for polymer (SBR) {2.5, 5, 10 and 12.5 %} and for lime {1.25,2.5,5 and 10%} by weight and then compacted at the optimum moisture content (OMC) and maximum dry unit weight (MMD). The original soil and the stabilized samples were subjected to unconfined compression test to determine their strength at different curing times (7,14 and 28 day). The results showed a reduction in the plasticity index. The results showed an increase in strength.
Highlights
In order to solve soil problems, the researchers have paid serious attention in use of a variety of chemical additives to improve the geotechnical properties
All samples were dried in oven at (105 -110oC) over a 24 hour period.were added as a percentage of weight, for Styrene Butadiene Rubber (SBR) blending with distilled water at its optimum moisture content (OMC) added to the soil
The chemical stabilizers (SBR, lime) mixed with a quantity of water equal to the optimum moisture content (OMC) of the specimen which was obtained from the compaction test
Summary
In order to solve soil problems, the researchers have paid serious attention in use of a variety of chemical additives to improve the geotechnical properties. Residual soils are separated over a wide range of tropical and semi-tropical region in the world. It is commonly used in various engineering practices [8]. A lateritic residual soil has a reddish color; this type of soil is unsuitable for use in construction practices because of its low strength or excessive volume change due to varying moisture content. In these years, the types of deserted soils have started to fall; the construction companies have turned to un-desert soil, which needs to be improved. This study investigates the strength of residual soils to evaluate the effect of stabilizer on it
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