Chapter
Apr 26, 2012
Effect of Amplification on Seismic Stability of Tailings Dam
Authors: Sanjay S. Nimbalkar [email protected] and Deepankar Choudhury [email protected]Author Affiliations
Publication: Soil Dynamics and Earthquake Engineering
Abstract
The stability of tailings dams in earthquakes prone areas has become a matter of increasing concern as seismic knowledge has advanced. For the seismic slope stability assessment of tailings dam, majority of current design methodologies rely on the use of pseudo-static approach. However, the crude estimate of finding approximate seismic accelerations makes the pseudo-static approach too conservative to adopt in the stability assessment. In this paper, horizontal slice method is used which considers the seismic inertia forces acting on the sliding wedge of the tailings dam by incorporating the effects of time, phase difference and amplification in shear and primary waves along with the horizontal and vertical seismic accelerations and other soil properties. Results are provided in the graphical form for the stability analysis of tailings dam.
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© 2010 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
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ASCE Technical Topics:
- Continuum mechanics
- Dams
- Dynamics (solid mechanics)
- Earthquake engineering
- Engineering fundamentals
- Engineering mechanics
- Environmental engineering
- Geomechanics
- Geotechnical engineering
- Mine wastes
- Pollutants
- Seismic design
- Seismic effects
- Seismic tests
- Seismic waves
- Shear waves
- Soil mechanics
- Soil properties
- Solid mechanics
- Tests (by type)
- Wastes
- Waves (mechanics)
Authors
Affiliations
Research Associate, Faculty of Engineering, Univ. of Wollongong, Wollongong City, NSW 2522, Australia.E-mail: [email protected]
M.ASCE
Associate Professor, Department of Civil Engineering, Indian Institute of Technology Bombay, Powai, Mumbai - 400 076, India.E-mail: [email protected]
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