Effect of Rice husk ash on the Liquid limit and Shrinkage limit of Lithomargic soil treated with carbide lime and sodium salts
Journal Title: American journal of Engineering Research - Year 2018, Vol 7, Issue 9
Abstract
This paper demonstrate the effect of Rice husk ash (RHA) and carbide lime(CL) on Liquid limit and shrinkage limit of locally available lithomargic soil. The use of silica rich waste RHA and calcium rich waste CL minimizes the disposal problem and also reduces the cost of stabilization. For this detailed experimental analysis of Liquid limit (LL) and Shrinkage limit (SL) were carried out on lithomargic soil/Shedi soil (SS) with an increment of 5% RHA and 2% CL respectively. Results show that addition of RHA and Carbide lime increases the liquid limit (LL) and Shrinkage limit (SL) due to the formation of pozzolanic compounds which resembles flocculated structure. Similarly effect of salts such as NaCl, and NaOH of 1% is added to the stabilized Lithomargic soil. Results show that there is a marginal variation in the liquid limit and Shrinkage limit is observed upon addition of small dosage of salts.
Authors and Affiliations
Ramesh H. N1 ,, Manjunatha B. V
Keywords
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