Analytical Solutions to the Axisymmetric Consolidation of Unsaturated Soils

Status	已發表Published
	Analytical Solutions to the Axisymmetric Consolidation of Unsaturated Soils
	Zhou, W. H.; Zhao, L.S.; Lok, M. H.; Mei, G.X. ; Li, X.B
	2018
Source Publication	Journal of Engineering Mechanics
ISSN	0733-9399
Pages	04017152-1- 04017152-11
Abstract	In this study, analytical solutions are presented for the axisymmetrical consolidation of an unsaturated soil stratum on the basis of Fredlund and Hasan’s one-dimensional consolidation theory. Two different loading conditions, i.e., instantaneous loading and ramp loading, were considered. The derivation process of the proposed analytical solution is simpler in contrast to the existing analytical solutions and it was verified to be accurate using an analytical solution in the literature. In addition to the analytical solutions under the assumption of free strain, the analytical solutions under the assumption of equal strain were further derived. In the parametric study, the variations in the excess pore-water and pore-air pressures as well as the average degree of consolidation are presented. Graphs are given to show the influence of the different hydraulic conductivity ratios between the air and water phases as well as the construction time (under a ramp loading condition) to the consolidation process. These two factors have significant impact on the consolidation of the air phase but little influence on the consolidation process of the water phase.
Keyword	Unsaturated soil Axisymmetrical consolidation Analytical solution Free strain Equal strain.
URL	View the original
Language	英語English
The Source to Article	PB_Publication
PUB ID	35646
Document Type	Journal article
Collection	University of Macau
Recommended Citation GB/T 7714	Zhou, W. H.,Zhao, L.S.,Lok, M. H.,et al. Analytical Solutions to the Axisymmetric Consolidation of Unsaturated Soils[J]. Journal of Engineering Mechanics, 2018, 04017152-1- 04017152-11.
APA	Zhou, W. H.., Zhao, L.S.., Lok, M. H.., Mei, G.X. ., & Li, X.B (2018). Analytical Solutions to the Axisymmetric Consolidation of Unsaturated Soils. Journal of Engineering Mechanics, 04017152-1- 04017152-11.
MLA	Zhou, W. H.,et al."Analytical Solutions to the Axisymmetric Consolidation of Unsaturated Soils".Journal of Engineering Mechanics (2018):04017152-1- 04017152-11.

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