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Seismic assessment of a monolithic RCC gravity dam including three dimensional dam-foundation-reservoir interaction
Date
2015-10-01
Author
Yilmazturk, Sema Melek
Arıcı, Yalın
Binici, Barış
Metadata
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This work is licensed under a
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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In this study, the seismic response of a tall roller compacted concrete gravity dam located in a highly seismic zone is investigated. The response of this monolithic RCC gravity dam is examined by conducting analyses including three dimensional dam-reservoir-foundation interaction. The effect of the foundation/structure moduli ratio, material damping, and bottom absorption and reservoir compressibility on the performance of the dam were investigated. Selection of an optimal downstream slope was discussed based on a simplified stress based assessment method. RCC systems present a different paradigm compared to conventional gravity dams with their monolithic construction and/or wide joint spacing: The importance and necessity of a full 3D analyses for such systems were underlined by comparing the results with two dimensional analyses. For such gravity dams built in relatively narrow canyons, three dimensional analyses should be conducted for seismic safety assessment.
Subject Keywords
Dam-foundation-reservoir interaction
,
Gravity dam
URI
https://hdl.handle.net/11511/38795
Journal
ENGINEERING STRUCTURES
DOI
https://doi.org/10.1016/j.engstruct.2015.05.041
Collections
Department of Civil Engineering, Article