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Numerical analysis of seepage-deformation in unsaturated soils
Liu, Enlong1; Yu, Hai-Sui2; Deng, Gang3; Zhang, Jianhai1; He, Siming4
Corresponding AuthorLiu, Enlong
Source PublicationACTA GEOTECHNICA
AbstractA coupled elastic-plastic finite element analysis based on simplified consolidation theory for unsaturated soils is used to investigate the coupling processes of water infiltration and deformation. By introducing a reduced suction and an elastic-plastic constitutive equation for the soil skeleton, the simplified consolidation theory for unsaturated soils is incorporated into an in-house finite element code. Using the proposed numerical method, the generation of pore water pressure and development of deformation can be simulated under evaporation or rainfall infiltration conditions. Through a parametric study and comparison with the test results, the proposed method is found to describe well the characteristics during water evaporation/infiltration into unsaturated soils. Finally, an unsaturated soil slope with water infiltration is analyzed in detail to investigate the development of the displacement and generation of pore water pressure.
KeywordFinite Element Method Seepage-deformation Coupled Analysis Unsaturated Soil Water Infiltration
WOS HeadingsScience & Technology ; Technology
WOS Subject ExtendedEngineering
Indexed BySCI
WOS SubjectEngineering, Geological
WOS IDWOS:000344754300009
Funding OrganizationInternational Science & Technology Cooperation Program of China(2012DFA60760) ; Fundamental Research Funds for the Central Universities(2013G1502009)
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Cited Times:13[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Affiliation1.Sichuan Univ, State Key Lab Hydraul & Nat River Engn, Coll Water Resource & Hydropower, Chengdu 610065, Peoples R China
2.Univ Nottingham, Nottingham Ctr Geomech, Nottingham NG7 2RD, England
3.China Inst Water Resources & Hydropower Res, State Key Lab Simulat & Regulat Water Cycle River, Beijing 100048, Peoples R China
4.Chinese Acad Sci, Inst Mt Hazards & Environm, Chengdu 610041, Peoples R China
Recommended Citation
GB/T 7714
Liu, Enlong,Yu, Hai-Sui,Deng, Gang,et al. Numerical analysis of seepage-deformation in unsaturated soils[J]. ACTA GEOTECHNICA,2014,9(6):1045-1058.
APA Liu, Enlong,Yu, Hai-Sui,Deng, Gang,Zhang, Jianhai,&He, Siming.(2014).Numerical analysis of seepage-deformation in unsaturated soils.ACTA GEOTECHNICA,9(6),1045-1058.
MLA Liu, Enlong,et al."Numerical analysis of seepage-deformation in unsaturated soils".ACTA GEOTECHNICA 9.6(2014):1045-1058.
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