Stability Analysis of Gravity Dam Foundations with Horizontal Seams

by Chennimalai Chinnaswamy, Univ of Colorado, Boulder, CO, USA,
Bernard Amadei, Univ of Colorado, Boulder, CO, USA,

Document Type: Proceeding Paper

Part of: Waterpower '91: A New View of Hydro Resources


Determination of the overall factor of safety against sliding is an important aspect in concrete dam design. Limit equilibrium methods have serious limitations. A method for determining the factor of safety using elasto-plastic finite element analysis is presented. Using this approach, the stability of a dam on a rock mass with a horizontal seam located at various depths is analyzed.

Subject Headings: Gravity dams | Dam foundations | Concrete dams | Rock masses | Earthfill dams | Foundations | Finite element method | Dam safety

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