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An Investigation of the Ground Motion Scaling Procedures for the Nonlinear Seismic Analyses of Concrete Gravity Dams
Date
2019-07-03
Author
Soysal, BERAT FEYZA
Ay, Bekir Özer
Arıcı, Yalın
Metadata
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Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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Seismic assessment of gravity dams is generally carried out using time history analyses. Scaling of the motions is commonly used; however, in contrast to buildings, the performance of scaling procedures at predicting the mean and reducing the dispersion in engineering demand parameters (EDPs) is not known. The main goal of this study is to assess the performance of different scaling procedures in predicting seismic demands on dams. The performance regarding the prediction of the damage and the required number of motions for effective analysis was investigated. The results show that techniques commonly used for moment frames should not readily be applied to these structures.
Subject Keywords
Ground motion selection
,
Ground motion scaling
,
Nonlinear analysis
,
Concrete gravity dam
,
Damage level
URI
https://hdl.handle.net/11511/37905
Journal
JOURNAL OF EARTHQUAKE ENGINEERING
DOI
https://doi.org/10.1080/13632469.2017.1342298
Collections
Department of Architecture, Article
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The seismic safety of dam structures is often evaluated using time history analyses conducted with a limited number of ground motions. The selection and scaling of the ground motions is usually the most effective factor determining the results of the safety assessment. The inherent variability in the ground motion as well as the difficulty of conducting the analyses for a large number of ground motions renders the selection as the most important factor in the analysis results. The guidelines for the nonline...
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B. F. Soysal, B. Ö. Ay, and Y. Arıcı, “An Investigation of the Ground Motion Scaling Procedures for the Nonlinear Seismic Analyses of Concrete Gravity Dams,”
JOURNAL OF EARTHQUAKE ENGINEERING
, pp. 930–953, 2019, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/37905.