Risk-Based Methodology for Seismic Rehabilitation of Earth Dams

by M. K. Yegian, Northeastern Univ, Boston, United States,
V. G. Ghahraman, Northeastern Univ, Boston, United States,

Document Type: Proceeding Paper

Part of: Geotechnical Practice in Dam Rehabilitation


A methodology for seismic risk analysis of earth dams is described. The procedure utilizes seismological and geotechnical inputs together with the associated uncertainties and provides estimates of seismic risk of damage and failure of earth dams. An example case study of an earth dam is described and the benefits of the procedure in a risk-based decision analysis of seismic rehabilitation of the dam is illustrated.

Subject Headings: Seismic effects | Seismic tests | Earthfill dams | Rehabilitation | Risk management | Dam failures | Embankment dams | Failure analysis

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