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Critical Reappraisal Of Plasticity Index Of Soils

Nagaraj, TS and Jayadeva, MS (1983) Critical Reappraisal Of Plasticity Index Of Soils. In: Journal of Geotechnical Engineering-ASCE, 109 (7). pp. 994-1000.

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Official URL: http://cedb.asce.org/cgi/WWWdisplay.cgi?8300850

Abstract

A fundamental approach, based on Gouy-Chapman theory of double layer, has been provided to micromechanistically interpret the plasticity index of soils and their relationship with liquid limit. The relationships between plasticity index and liquid limit, developed earlier, through statistical approaches and critical state concepts, have been reexamined. The statistical analysis of extensive published data has resulted in the relationship, IP = 0.74 (wL - 8). On comparison with other relationships in vogue the proposed equation has been found to give better agreement. From the reappraisal of critical state approaches consistent with the micromechanistic interpretation, the possible range of parameters have been computed and compared with those obtained by statistical means to enhance the credibility of the proposed relationship.

Item Type: Journal Article
Additional Information: Copyrights of this articles belongs to ASCE.
Department/Centre: Division of Mechanical Sciences > Civil Engineering
Date Deposited: 30 May 2009 06:05
Last Modified: 30 May 2009 06:05
URI: http://eprints.iisc.ernet.in/id/eprint/20062

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