Chapter
Apr 26, 2012
3D Analysis of Steep Slopes Subjected to Seismic Excitation
Authors: S. S. Nadukuru [email protected], T. Martel, and R. L. Michalowski [email protected]Author Affiliations
Publication: Geo-Frontiers 2011: Advances in Geotechnical Engineering
Abstract
Design of slopes and analysis of existing slopes are carried out routinely using approximations of plane strain and substitution of quasi-static load for the seismic excitation. A three-dimensional analysis of slopes is used here, based on the kinematic theorem of limit analysis. A 3D rotational mechanism with a failure surface passing through the slope toe was developed, applicable to steep slopes. A quasi-static approach is used and an example of charts for the assessment of the factor of safety for slopes with predefined width of the failure mechanism is shown. Critical acceleration is also calculated for 3D slopes, and a sliding block analysis is carried out to develop a solution for displacements of slopes subjected to seismic excitation.
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Information
Published In
Geo-Frontiers 2011: Advances in Geotechnical Engineering
Pages: 3546 - 3555
Copyright
© 2011 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
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ASCE Technical Topics:
- Analysis (by type)
- Continuum mechanics
- Dynamic loads
- Dynamics (solid mechanics)
- Earthquake engineering
- Engineering fundamentals
- Engineering mechanics
- Excitation (physics)
- Failure analysis
- Geomechanics
- Geotechnical engineering
- Motion (dynamics)
- Seismic design
- Seismic loads
- Seismic tests
- Slopes
- Solid mechanics
- Statics (mechanics)
- Structural dynamics
- Tests (by type)
- Three-dimensional analysis
Authors
Affiliations
S.M.ASCE
University of Michigan, Department of Civil and Environmental Engineering, Ann Arbor, MI 48109-2125, U.S.A.E-mail: [email protected]
T. Martel
S.M.ASCE
University of Michigan, Department of Civil and Environmental Engineering, Ann Arbor, MI 48109-2125, U.S.A.
F.ASCE
University of Michigan, Department of Civil and Environmental Engineering, Ann Arbor, MI 48109-2125, U.S.A.E-mail: [email protected]
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