Abstract
In this study, a typical large multiple arch dam located in the Sierra Nevada of California was evaluated for possible retrofit options to enhance its seismic performance. Field data was collected and used to validate the behavior of a detailed finite element model of this specific dam. By examining this computational model in the time and frequency domains, structural features influencing performance were identified, with particular attention paid to strut elements. A lumped element approximation of an n-dimensional multiple arch dam was created and analyzed; from this model, novel retrofit options were conceptualized and tested using the original finite element model. This process, although executed on a single specific dam, was designed to be general enough to be used as a valid approach to analyze and retrofit other dams of this type.
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References
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Acknowledgements
I would like to thank Mike Knarr, P.E., S.E., John Yen, P.E., Mr. Nick von Gersdorff, and Dr. Matthew Muto for their technical review of the ideas presented in this study. I would also like to thank the De Pietro fellowship for supplying the resources required for the project, without which this work would not have been possible.
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© 2012 The Society for Experimental Mechanics, Inc. 2012
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Ritz, E., Duron, Z. (2012). Dynamic Characterization of Multiple Arch Dams: A Finite Element Approach. In: Caicedo, J., Catbas, F., Cunha, A., Racic, V., Reynolds, P., Salyards, K. (eds) Topics on the Dynamics of Civil Structures, Volume 1. Conference Proceedings of the Society for Experimental Mechanics Series. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-2413-0_25
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DOI: https://doi.org/10.1007/978-1-4614-2413-0_25
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