Chapter
Jun 20, 2012
Modeling Heaving in Frost-Susceptible Soils
Publication: Computer Applications In Geotechnical Engineering
Abstract
A model for frost-susceptible soils, effective in simulating frost heave, is presented. This model is based on a porosity rate function that describes the global increase in the soil volume due to growth of ice. Individual ice lenses, however, are not simulated. The model was implemented in the finite element analysis, and the displacement of a retaining wall was simulated due to freezing of the frost-susceptible backfill. Because heaving requires the freezing front to propagate into the frost susceptible soil, it is demonstrated that thermal insulation along the wall inhibits the frost heave to some extent, and prevents excessive tilting of the structure.
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Copyright
© 2007 American Society of Civil Engineers.
History
Published online: Jun 20, 2012
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ASCE Technical Topics:
- Cold regions engineering
- Engineering fundamentals
- Engineering mechanics
- Finite element method
- Freeze and thaw
- Freezing
- Frost
- Frost heave
- Frozen soils
- Geomechanics
- Geotechnical engineering
- Ice
- Methodology (by type)
- Models (by type)
- Numerical methods
- Simulation models
- Soil mechanics
- Soils (by type)
- Thermal analysis
- Thermodynamics
Authors
Affiliations
F.ASCE
Professor, Department of Civil and Env. Engrg., University of Michigan, 2340 G.G. Brown Bldg., Ann Arbor, MI 48109-2125;. E-mail: [email protected]
Ming Zhu
GeoSyntec, Atlanta, formerly Graduate Research Assistant, Department of Civil and Env. Engrg., University of Michigan, Ann Arbor, MI 48109-2125
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