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Analytical solutions to the axisymmetrical consolidation of unsaturated soils
Wan-Huan Zhou1,2; Lin-Shuang Zhao3; Thomas Man-Hoi Lok1; Guo-xiong Mei4; Xiao-Bo Li3
2017-11-08
Source PublicationJournal of Engineering Mechanics
ISSN1943-7889
Volume144Issue:1
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.

KeywordUnsaturated Soil Axisymmetrical Consolidation Analytical Solution Free Strain Equal Strain
DOI10.1061/(ASCE)EM.1943-7889.0001382
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaEngineering
WOS SubjectEngineering, Mechanical
WOS IDWOS:000417356700010
PublisherASCE-AMER SOC CIVIL ENGINEERS, 1801 ALEXANDER BELL DR, RESTON, VA 20191-4400
Scopus ID2-s2.0-85033434249
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Citation statistics
Document TypeJournal article
CollectionDEPARTMENT OF CIVIL AND ENVIRONMENTAL ENGINEERING
Corresponding AuthorLin-Shuang Zhao
Affiliation1.Dept. of Civil and Environmental Engineering, Faculty of Science and Technology, Univ. of Macau, Macau 999078, China
2.UMacau Research Institute, Zhuhai, Guangdong, China
3.Dept. of Civil and Environmental Engineering, Faculty of Science and Technology, Univ. of Macau, Room E11-1047, Avenida da Universidade, Taipa, Macau 999078, China
4.Key Laboratory of Disaster Prevention and Structural Safety of Ministry of Education, College of Civil Engineering and Architecture, Guangxi Univ., Nanning 530004, China
First Author AffilicationFaculty of Science and Technology;  University of Macau
Corresponding Author AffilicationFaculty of Science and Technology
Recommended Citation
GB/T 7714
Wan-Huan Zhou,Lin-Shuang Zhao,Thomas Man-Hoi Lok,et al. Analytical solutions to the axisymmetrical consolidation of unsaturated soils[J]. Journal of Engineering Mechanics, 2017, 144(1).
APA Wan-Huan Zhou., Lin-Shuang Zhao., Thomas Man-Hoi Lok., Guo-xiong Mei., & Xiao-Bo Li (2017). Analytical solutions to the axisymmetrical consolidation of unsaturated soils. Journal of Engineering Mechanics, 144(1).
MLA Wan-Huan Zhou,et al."Analytical solutions to the axisymmetrical consolidation of unsaturated soils".Journal of Engineering Mechanics 144.1(2017).
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