Sridharan, A and Prakash, K and Asha, SR (1995) Consolidation Behavior of Soils. In: Geotechnical Testing Journal, 18 (1). pp. 58-68.
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Based on Terzaghi's consolidation theory, percent of consolidation, U, versus the time factor, T, relationship for constant/linear excess pore water pressure distribution, it is possible to generate theoretical log10(H2/t) versus U curves where H is the length of the drainage path of a consolidating layer, and t is the time for different known values of the coefficient of consolidation, cν. A method has been developed wherein both the theoretical and experimental behavior of soils during consolidation can be simultaneously compared and studied on the same plot. The experimental log10(H2/t) versus U curves have been compared with the theoretical curves. The deviations of the experimental behavior from the theory are explained in terms of initial compression and secondary compression. Analysis of results indicates that the secondary compression essentially starts from about 60% consolidation. A simple procedure is presented for calculating the value of cv from the δ-t data using log10(H2/t) versus U plot.
| Item Type: | Journal Article |
|---|---|
| Publication: | Geotechnical Testing Journal |
| Publisher: | American Society Of Testing Materials |
| Additional Information: | Copyright of this article belongs to American Society Of Testing Materials. |
| Keywords: | Atterberg limits,clays;compressibility;coefficient of consolidation;soil properties;time dependence. Atterberg limits, clays, compressibility, coefficient of consolidation, soil properties, time dependence Atterberg limits, clays, compressibility, coefficient of consolidation, soil properties, time dependence |
| Department/Centre: | Division of Mechanical Sciences > Civil Engineering |
| Date Deposited: | 06 Apr 2009 05:03 |
| Last Modified: | 31 Mar 2011 09:50 |
| URI: | http://eprints.iisc.ac.in/id/eprint/19658 |
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