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Secondary compression factor

Sridharan, A and Prakash, K (1998) Secondary compression factor. In: Geotechnical Engineering, 131 (2). pp. 96-103.

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When the variation of secondary compression, with log(10) t is non-linear, the quantification of secondary settlement through the coefficient of secondary compression, C-alpha epsilon, becomes difficult which frequently leads to an underestimate of the settlement, Log(10) delta - log(10) t representation of such true-compression data has the distinct advantage of exhibiting linear secondary compression behaviour over an appreciably larger time span. The slope of the secondary compression portion of the log(10) e - log(10) t curve expressed as Delta(log e)/(log t) and called the 'secondary compression factor', m, proves to be a better alternative to C-alpha epsilon and the prediction of secondary settlement is improved.

Item Type: Journal Article
Publication: Geotechnical Engineering
Publisher: Thomas Telford
Additional Information: Copyright of this article belongs to Thomas Telford.
Keywords: design methods & aids;foundations;geotechnical engineering.
Department/Centre: Division of Mechanical Sciences > Civil Engineering
Date Deposited: 29 Jun 2011 07:29
Last Modified: 29 Jun 2011 07:32
URI: http://eprints.iisc.ac.in/id/eprint/38662

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