2000
DOI: 10.1680/geng.2000.143.4.235
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Classification procedures for expansive soils

Abstract: Most of the national codes of practice do not give characterization and classi®cation of expansive soils, in spite of expansive soils being distributed very widely over almost all geographical locations in the world, causing distress to the structures founded on them and discomfort to the users. A simple user-friendly approach based on the free swell ratio, de®ned as the ratio of the sediment volume of soil in distilled water to that in carbon tetrachloride or kerosene, is formulated considering the compatibil… Show more

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Cited by 138 publications
(57 citation statements)
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“…The soil pH determination revealed values ranging between pH=7.5 and pH=9.46. Sridharan [6] have reported similar values. Also Kumar et al [13] reports that pH for sub surface soils ranges from 7.89 up to 10.15 .…”
Section: Resultsmentioning
confidence: 54%
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“…The soil pH determination revealed values ranging between pH=7.5 and pH=9.46. Sridharan [6] have reported similar values. Also Kumar et al [13] reports that pH for sub surface soils ranges from 7.89 up to 10.15 .…”
Section: Resultsmentioning
confidence: 54%
“…Although Chen [11] observed that there was no conclusive evidence of correlation between swelling potential and shrinkage limit, and Srindharan and Prakash [6] have also shown that the shrinkage limit cannot be satisfactory used to predict the swell potential of a soil, the Author believes that the above correlation is good enough to predict swelling soil. Of course these correlations may be considered tentative at the moment, but indicate strongly one relation between shrinkage limit and the prediction of swelling pressure.…”
Section: Discussionmentioning
confidence: 99%
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“…The enormous volume change is due to the presence of montmorillonite group of minerals (Sridharan & Prakash, 2000). They are characterized by high cation exchange capacity (Celik & Nalbantoglu, 2013), small particle size (Fityus & Buzzi, 2009) and large specific area (Nalbantoğlu, 2004).…”
Section: Introductionmentioning
confidence: 99%
“…The results indicated that slurry application to soil deposits with shrinkage is effectiveand that it may therefore be preferred to chemically stabilize soil deposits during the dry season [10].The suitability of existing soil as sub-base or sub-grade course depends on soil characteristics and strength. The blended samples were allowed for seven days curing and properties like California Bearing Ratio (CBR), tensile strength, Unconfined Compressive Strength (UCS), permeability and Atterberg's limits were studied [9].Stabilization with lime+GGBS effectively combats the expansion associated with presence of sulfate in soil and equally combats expansion associated sulfides such as pyrites. Where GGBS is being used for enhanced resistance to sulphate expansion, theproportion of GGBS should at least equal that of the quicklime and typically for highresistance to sulphate expansion, a GGBS: quicklime ratio of 3:1, or even higher, may beappropriate [8].The ICL addition of lime provides an indication of the amount of lime required to satisfy ion exchange.…”
Section: Literature Reviewmentioning
confidence: 99%