Influence of the water-skeleton interaction on the seismic response of earth dams

Authors

  • Y Parish
  • I Shahrour
  • M Sadek

DOI:

https://doi.org/10.1260/175095408786927480

Abstract

This paper presents a numerical analysis of the influence of the waterskeletoninteraction on the response of earth dams to seismic loading. Thenon associated Mohr-Coulomb criterion is used for the description of thebehaviour of earth material. Analysis is first conducted under undrainedcondition; then a full coupled analysis is used for the investigation of theinfluence of the water-skeleton interaction on the seismic response of thedam. Comparison of the undrained, full coupled and drained analysesshows that the undrained analysis overestimates the natural frequency ofthe dam and consequently could lead to a miss estimation of its response.The full coupled analysis predicts an important attenuation in the damresponse, which could result from the role of the water flow in thedissipation of the seismic energy in addition to the influence of the inducedpore-water pressure excess on the reduction of the effective stresses inthe dam. As a consequence, full coupled analyses are recommended forthe seismic design of earth dams.

References

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Published

2008-09-30

How to Cite

Parish, Y., Shahrour, I., & Sadek, M. (2008). Influence of the water-skeleton interaction on the seismic response of earth dams. The International Journal of Multiphysics, 2(3), 267-278. https://doi.org/10.1260/175095408786927480

Issue

Vol. 2 No. 3 (2008)

Section

Articles

Copyright (c) 2008 Y Parish, I Shahrour, M Sadek

Creative Commons License

This work is licensed under a Creative Commons Attribution 4.0 International License.