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Analytical Solution for Electroosmotic Consolidation Considering Nonlinear Variation of Soil Parameters
Wu H; Hu LM; Qi WG(漆文刚); Wen QB; Hu, LM (reprint author), Tsinghua Univ, Dept Hydraul Engn, State Key Lab Hydrosci & Engn, Beijing 100084, Peoples R China.
Source PublicationInternational Journal of Geomechanics
2017-05
Volume17Issue:5Pages:SI:06016032
ISSN1532-3641
Abstract

Electroosmotic consolidation can be used as an efficient technique for soft soil improvement. Considering the limitation in previous theories that soil parameters keep constant during electroosmotic consolidation, the nonlinear relationships between soil compressibility, hydraulic and electroosmosis conductivities, and void ratio are incorporated in a one-dimensional model in the present study. The analytical solutions for the ultimate excess pore-water pressure and surface settlement are derived. A comparison between the proposed analytical solutions and traditional theory indicates that the nonlinear variation of hydraulic conductivity results in a larger ultimate excess pore-water pressure, whereas the nonlinear variation of electroosmosis conductivity leads to a smaller one. The effects are more significant for soils with higher compressibility. The nonlinear variation of soil compressibility exhibits remarkable impact on the development of excess pore-water pressure when the nonlinear variations of hydraulic and electroosmosis conductivities are considered. Compared with the ultimate excess pore-water pressure, the impact of nonlinear variations of soil parameters on the ultimate surface settlement is less significant.

DOI10.1061/(ASCE)GM.1943-5622.0000821
Indexed BySCI
Language英语
WOS IDWOS:000398536900030
Funding OrganizationFinancial support from the National Natural Science Foundation of China (Projects 51579132 and 51323014), the Ministry of Education (Project THZ-02-2), and the China Postdoctoral Science Foundation (Grant 2015M581104) are gratefully acknowledged.
DepartmentLMFS流固土耦合力学(LHO)
Classification二类
Ranking3
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/59605
Collection流固耦合系统力学重点实验室
Corresponding AuthorHu, LM (reprint author), Tsinghua Univ, Dept Hydraul Engn, State Key Lab Hydrosci & Engn, Beijing 100084, Peoples R China.
Recommended Citation
GB/T 7714
Wu H,Hu LM,Qi WG,et al. Analytical Solution for Electroosmotic Consolidation Considering Nonlinear Variation of Soil Parameters[J]. International Journal of Geomechanics,2017,17(5):SI:06016032.
APA Wu H,Hu LM,漆文刚,Wen QB,&Hu, LM .(2017).Analytical Solution for Electroosmotic Consolidation Considering Nonlinear Variation of Soil Parameters.International Journal of Geomechanics,17(5),SI:06016032.
MLA Wu H,et al."Analytical Solution for Electroosmotic Consolidation Considering Nonlinear Variation of Soil Parameters".International Journal of Geomechanics 17.5(2017):SI:06016032.
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