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Monitoring of deformations, whether using geodetic or geotechnical instrumentation, besides providing a warning system in case of an abnormal behaviour of the dam, may be used as a tool for a verification of design parameters. By comparing results of monitoring measurements with a deterministic (a-priori) model of deformation, one may determine and explain causes of deformation in a case of unexpected...
Concrete Face Rockfill Dams (CFRDs) undergo deformations during their construction and during reservoir filling. During construction, the rockfill settles and compacts until the end-of-construction stage. During impounding, the rockfill deforms under the water pressure. The upstream concrete face deforms as a result of the rockfill deformation. The type of foundation also has an influence on the deformation...
Deformation of an earth dam is a complex process in which one should consider the nonlinear behaviour of the construction material, interaction between the structure and the underlying soil and rock strata, influence of water load on the structure and on the foundation bedrock, and the effects of water saturation. The deformation process can be simulated using, for example, the finite element method...
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