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ISSN: 2321-9939 | ESTD Year: 2013

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Paper Title
Effect of Salts on Consistency Limit and Thickness of Double Layer in Clayey Soils
  Ayesha Rashid,  Archil Kumar Sahu,  Anil Kumar Sahu

Due to the shortage of land and the increase in population over the past decades, there has been a requirement of construction on soft and weak soil in India. Therefore, techniques to improve soil mechanical behaviour must be adopted. In the study, the influence of the addition of sodium chloride and calcium chloride on black cotton soil and sodium hexametaphosphate on bentonite soil in terms of consistency limits and swell behaviour was carried out. The concentrations of chloride salts and sodium hexametaphosphate were varied as 0N, 0.5N, 1N, 2N and 3N. The concentration of sodium hexametaphosphate was varied as 0N, 0.1N, 0.18N, 0.32N, 0.43N and 0.54N. The cations of the salts react with the negatively charged clay particles which reduce the thickness of the diffused double layer and forms strong cementatious matrix. The reduction in double layer and the mechanism of pozzolanic reactions on addition of salts in black cotton soil and bentonite soil for reducing plasticity and swelling has been elaborated.

Keywords- Chloride salts, sodium hexametaphosphate, consistency limit, double layer thickness
Publication Details
Unique Identification Number - IJEDR2101039
Page Number(s) - 281-288
Pubished in - Volume 9 | Issue 1 | March 2021
DOI (Digital Object Identifier) -   
Publisher - IJEDR (ISSN - 2321-9939)
Cite this Article
  Ayesha Rashid,  Archil Kumar Sahu,  Anil Kumar Sahu,   "Effect of Salts on Consistency Limit and Thickness of Double Layer in Clayey Soils", International Journal of Engineering Development and Research (IJEDR), ISSN:2321-9939, Volume.9, Issue 1, pp.281-288, March 2021, Available at :http://www.ijedr.org/papers/IJEDR2101039.pdf
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