Chapter
Apr 26, 2012
Analysis of Two-Dimensional Consolidation of Unsaturated Soils
Publication: Characterization, Modeling, and Performance of Geomaterials: Selected Papers From the 2009 GeoHunan International Conference
Abstract
It is essential to study the practicality of consolidation and simplified approach of unsaturated soils with high degree of saturation. The water and air in the pores can be regarded as a mixed fluid in unsaturated soils when degree of saturation is between 70% and 95%. Mass balance, mixed fluid continuity, modified water continuity equations are then established regarding the compressibility of the mixed fluid in the pores. The influence of permeability and initial degree of saturation of soils are analyzed with the new method. The conclusions are: there is a strong interaction between the pore-air and pore-water in the consolidation of unsaturated soils with low permeability; the degree of pore-air pressure influence on consolidation of unsaturated soils is related to initial degree of saturation of soils.
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Published In
Characterization, Modeling, and Performance of Geomaterials: Selected Papers From the 2009 GeoHunan International Conference
Pages: 33 - 39
Copyright
© 2009 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
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ASCE Technical Topics:
- Analysis (by type)
- Consolidated soils
- Engineering fundamentals
- Engineering materials (by type)
- Geomechanics
- Geotechnical engineering
- Materials engineering
- Permeability (soil)
- Porous media
- Saturated soils
- Soft soils
- Soil analysis
- Soil dynamics
- Soil mechanics
- Soil pressure
- Soil properties
- Soils (by type)
- Two-dimensional analysis
- Unsaturated soils
Authors
Affiliations
Associate Professor, Hohai University, Nanjing 210098, China. E-mail: [email protected]
Professor, Hohai University, Nanjing 210098, China. E-mail: [email protected]
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