Chapter
Apr 26, 2012
A Parametric Analysis of the Effects of Progressive Failure on Embankments Founded on Soft Sensitive Soils
Authors: Adam Lobbestael [email protected] and Adda Athanasopoulos-Zekkos, Ph.D. [email protected]Author Affiliations
Publication: Geo-Frontiers 2011: Advances in Geotechnical Engineering
Abstract
The effects of progressive failure on flood embankments founded on soft, sensitive soils are investigated. Advances in finite element analysis have allowed for investigation of strain softening effects and progressive failure in embankments on soft and sensitive foundation soils. However, limit equilibrium methods for slope stability analysis, widely used today in industry, cannot capture these effects and may result in unconservative factors of safety. A parametric analysis was conducted to investigate the effect of layers of soft, sensitive foundation soils on the stability of flood embankments. A flood embankment was modeled with varying foundation profiles using both the limit equilibrium method and the finite element method. The results from the two methods were compared to examine the extent to which progressive failure may cause misleading results from limit equilibrium analysis.
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Information
Published In
Geo-Frontiers 2011: Advances in Geotechnical Engineering
Pages: 3669 - 3678
Copyright
© 2011 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
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ASCE Technical Topics:
- Analysis (by type)
- Engineering fundamentals
- Failure analysis
- Failure modes
- Finite element method
- Floods
- Forensic engineering
- Foundations
- Geomechanics
- Geotechnical engineering
- Mathematics
- Methodology (by type)
- Numerical methods
- Parameters (statistics)
- Progressive collapse
- Soft soils
- Soil analysis
- Soil mechanics
- Soil properties
- Soils (by type)
- Statistics
- Structural engineering
- Water and water resources
Authors
Affiliations
S.M.ASCE
Graduate student, Department of Civil and Environmental Engineering, University of Michigan, 2350 Hayward Street, Ann Arbor, MI 48109.E-mail: [email protected]
A.M.ASCE
Assistant Professor, Department of Civil and Environmental Engineering, University of Michigan, 2350 Hayward Street, Ann Arbor, MI 48109.E-mail: [email protected]
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