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Evaluation of Compression Lines and Aging Effect on Clayey Soils

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Evaluation of Compression Lines and Aging Effect on Clayey Soils

Htay Win


Htay Win "Evaluation of Compression Lines and Aging Effect on Clayey Soils" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-2 | Issue-5, August 2018, pp.2318-2324, URL: https://www.ijtsrd.com/papers/ijtsrd18348.pdf

the intrinsic compression lines (ICL) obtained from this study can be used for studying the compressive behaviour of clayey soils due to aging effect. The results of oedometer tests of undisturbed samples were compared with the corresponding results of recomposed samples at room and high temperature and slurry samples. The values of compression index, Cc and pc/pe*, where pc is the preconsolidation pressure and pe* is the equivalent pressure on the compression curve of slurry (1.5wL) sample when the sample yields, of undisturbed samples are different from those of recomposed samples due to the effect of soil structure. The compression lines of slurry samples obtained from the relationship of void index and effective overburden pressure can be expressed by the equations with sufficient accuracy. The values of void index difference, ? Ivy can be used to find the effect of the enhanced resistance to compression of natural soil structure. If ? Ivy value is high, there will be high maximum value of compression index after destroying the resistance of soil structure caused by the aging effect. The proposed compression index ratio, r’ obtained from the Iv-log p relationship can be considered as a useful index to represent the aging effect.

Aging effect, slurry sample, consolidation, void index, soil structure

Volume-2 | Issue-5, August 2018
IJTSRD | www.ijtsrd.com | E-ISSN 2456-6470
Copyright © 2019 by author(s) and International Journal of Trend in Scientific Research and Development Journal. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0) (http://creativecommons.org/licenses/by/4.0)

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