Abstract
Shedi soil (Lithomargic clay) is the name given to the locally available whitish, pinkish or yellowish silty soil underlying lateritic soil densely deposited along west coast of India. Lithomargic soil is considered as weaker soil as it does not possess any desirable engineering property, so strength behaviour of Shedi soil under varying moisture content is major problem for construction projects in this region. This paper brings out the effect of lime and sodium on various geotechnical properties such as the index properties, compaction characteristics and strength characteristics of Shedi soil admixture with bagasse ash. The tests on index properties, compaction characteristics and strength have been carried out for Shedi soil replaced with various percentages of bagasse ash (BA), lime and sodium salts for different moulding water contents and curing period. It has shown that the plasticity index of soil increases with increase in BA-lime concentration and maximum dry density decreases with increase in Optimum Moisture Content (OMC). Though the plasticity index of soil increases and Maximum Dry Density decreases (MDD), Unconfined Compressive Strength (UCS) of Shedi soil increases significantly from 227 to 2311 kPa when treated with bagasse ash-lime and sodium salt with curing period and moulding water content.
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Chethan, N., Ramesh, H.N., Nethravathi, S. (2019). Effect of Bagasse Ash Admixture on Geotechnical Properties of Shedi Soil in Addition with Lime and Sodium Salts. In: Sundaram, R., Shahu, J., Havanagi, V. (eds) Geotechnics for Transportation Infrastructure. Lecture Notes in Civil Engineering , vol 29. Springer, Singapore. https://doi.org/10.1007/978-981-13-6713-7_33
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DOI: https://doi.org/10.1007/978-981-13-6713-7_33
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