Effect of Calcium Salts on the Index Properties of Expansive and Non Expansive Soils In The Presence Of Bagasse Ash and Lime
Journal Title: IOSR Journal of Mechanical and Civil Engineering (IOSR-JMCE) - Year 2018, Vol 15, Issue 4
Abstract
Index properties of soils are greatly associated with fine grained soils and the amount of water present in them. Liquid limit, Plastic limit and Shrinkage limit are the important water content parameters and the changes in Index properties of expansive and non expansive soils brought about by the addition of bagasse ash is studied and has been presented in this paper. An attempt also has been made to investigate the alteration in Index properties with the addition of Calcium salts to soil, bagasse ash and lime mixture on immediate and 7 days of curing. Plasticity Index decreased marginally due to the reduction in diffuse double layer thickness caused by the flocculation of particles brought about by the reaction between reactive silica and free lime content present in bagasse ash and also due to the pozzolanic reactivity of Lime. With the addition of Calcium Sulphate and Calcium Chloride, Plasticity Index decreased further for non expansive soils. Plastic limit and shrinkage limit increased due to the increase in divalent ions with increased supply of Calcium ions and as a result, double layer thickness further reduced.
Authors and Affiliations
Ramesh H. N, Madhavi Gopal Rao Kulkarni
Keywords
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- EP ID EP438443
- DOI 10.9790/1684-1504038995.
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