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Analytical Solutions to the Axisymmetrical Consolidation of Unsaturated Soils
Zhou, Wan-Huan; Zhao, Lin-Shuang; Lok, Thomas Man-Hoi; Mei, Guo-xiong; Li, Xiao-Bo
2018-01
Source PublicationJOURNAL OF ENGINEERING MECHANICS
ISSN0733-9399
Volume144Issue:1
AbstractIn 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. (C) 2017 American Society of Civil Engineers.
KeywordUnsaturated soil Axisymmetrical consolidation Analytical solution Free strain Equal strain
DOI10.1061/(ASCE)EM.1943-7889.0001382
URLView the original
Indexed BySCI
Language英语
WOS Research AreaEngineering
WOS SubjectEngineering, Mechanical
WOS IDWOS:000417356700010
PublisherASCE-AMER SOC CIVIL ENGINEERS
The Source to ArticleWOS
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被引频次[WOS]:4   [WOS记录]     [WOS相关记录]
Document TypeJournal article
专题University of Macau
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Zhou, Wan-Huan,Zhao, Lin-Shuang,Lok, Thomas Man-Hoi,et al. Analytical Solutions to the Axisymmetrical Consolidation of Unsaturated Soils[J]. JOURNAL OF ENGINEERING MECHANICS,2018,144(1).
APA Zhou, Wan-Huan,Zhao, Lin-Shuang,Lok, Thomas Man-Hoi,Mei, Guo-xiong,&Li, Xiao-Bo.(2018).Analytical Solutions to the Axisymmetrical Consolidation of Unsaturated Soils.JOURNAL OF ENGINEERING MECHANICS,144(1).
MLA Zhou, Wan-Huan,et al."Analytical Solutions to the Axisymmetrical Consolidation of Unsaturated Soils".JOURNAL OF ENGINEERING MECHANICS 144.1(2018).
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