The methods of calculating the filtration coefficient k from data obtained in tests performed under the conditions of one-dimensional consolidation in terms of consolidation coefficient c v , compressibility a v and volume compressibility m v , average particle size D 10, and void ratio e are investigated. The evaluated k used in the PLAXIS software system is taken for comparison. The filtration coefficients determined by different methods were used to study the scale effect in the Mohr-Coulomb model. The excess pore pressure for different diameter to height ratios of a sample was in better agreement with the values predicted by using k determined in PLAXIS. This is explained in part by the variability of the filtration coefficient during consolidation.
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Translated from Osnovaniya, Fundamenty i Mekhanika Gruntov, No. 6, pp. 6-9, November-December, 2016.
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Rozine, T.N., Toma Sabbagh, T. Effect of Filtration Coefficient Determination Method on the Scale Effect in Water-Saturated Fine-Grained Soils. Soil Mech Found Eng 53, 376–380 (2017). https://doi.org/10.1007/s11204-017-9415-y
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DOI: https://doi.org/10.1007/s11204-017-9415-y