NDLI: Evaluation of the dynamic response of the Damlapinar CFR dam

Content Provider	Springer Nature Link
Author	Terzi, Niyazi U.
Copyright Year	2010
Abstract	Concrete faced rock-fill (CFR) dams are now very popular. The structural complexity of these dams and the high risk associated with the social and environmental consequences of failures require very reliable analyses of their performance, especially as regards seismic loading. In this paper, a dynamic analysis procedure for CFR dams is proposed and described, using the Damlapınar CFR dam as a case study. The acceleration time history and maximum horizontal peak ground acceleration values were developed based on maximum credible earthquakes over 50 years from nearby seismic sources. Numerical studies showed that the Damlapınar CFR dam will remain stable under the maximum credible earthquake with a peak ground acceleration of 0.15 g. According to the numerical results, earthquake-induced deformations of the dam are expected to be within the safety margins determined by the Ministry of Public Works and Settlement, Turkey. The results also indicate that a non-linear analysis capable of capturing dominant non-linear mechanisms can be used to assess the stability of CFR dams.Les barrages en enrochement à parement de béton (CFR) sont maintenant communs. La complexité structurale de ces barrages et le risque élevé, en termes de conséquences sociales et environnementales en cas de rupture, demandent des analyses fiables de leurs performances, spécialement en cas de sollicitations sismiques. Dans cet article, une procédure d’analyse dynamique est proposée et décrite, considérant le barrage CFR de Damlapinar comme cas d’étude. L’historique des accélérations sismiques et les valeurs d’accélération horizontale maximale au rocher ont été établis par référence au séisme maximum prévisible résultant de l’analyse des chroniques sismiques de la région durant les 50 dernières années. Des études numériques ont montré que le barrage CFR de Damlapinar restera stable sous l’effet du séisme maximum prévisible avec une accélération de pic de 0,15 g. Suivant les résultats numériques, les déformations du barrage provoquées par le séisme resteront à l’intérieur des marges de sécurité déterminées par le Ministère des Travaux Publics et de l’Aménagement de Turquie. Les résultats indiquent aussi qu’une analyse non linéaire capable de prendre en compte les principaux mécanismes non linéaires peut être utilisée pour évaluer la stabilité des barrages CFR.
Starting Page	429
Ending Page	438
Page Count	10
File Format	PDF
ISSN	14359529
Journal	Bulletin of the International Association of Engineering Geology - Bulletin de l'Association Internationale de Géologie de l'Ingénieur
Volume Number	70
Issue Number	3
e-ISSN	14359537
Language	English
Publisher	Springer-Verlag
Publisher Date	2010-09-24
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Barrage CFR Analyse sismique Stabilité de pente Applied Earth Sciences Geoengineering, Foundations, Hydraulics Geoecology/Natural Processes Nature Conservation
Content Type	Text
Resource Type	Article
Subject	Geology Geotechnical Engineering and Engineering Geology

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