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Position Paper Dam Safety and Earthquakes

Position Paper Dam Safety and Earthquakes
Author: CIGB ICOLD
Publisher: CRC Press
Total Pages: 27
Release: 2021-06-04
Genre: Technology & Engineering
ISBN: 1351035924

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Earthquakes have always been a significant aspect of the design and safety of dams. This position paper deals with the seismic safety of large dams, based on experiences with large earthquakes in Japan (Tohoku earthquake, 2011, Richter magnitude 9.0), in China (Wenchuan earthquake, 2008, Richter magnitude 8.0) and in Chile (Maule earthquake, 2010, Richter magnitude 8.8). It presents ways to prevent key aspects of large dam failure under severe seismic conditions with a focus on design instead of on earthquake prediction. This is done by considering the prevention of uncontrolled rapid release of water of a storage dam under full reservoir conditions in relation to expected seismic conditions. This position paper is composed by the Committee on Seismic Aspects of Dam Design of The International Committee of Large Dams. Les tremblements de terre ont toujours été un aspect important de la conception et de la sécurité des barrages. Ce document de synthèse traite de la sécurité sismique des grands barrages, en se fondant sur l’expérience acquise lors de grands séismes au Japon (séisme de Tohoku, 2011, magnitude 9,0 sur l’échelle de Richter), en Chine (séisme de Wenchuan, 2008, magnitude 8,0 sur l’échelle de Richter) et au Chili (séisme de Maule, 2010, magnitude 8,8 sur l’échelle de Richter). Il présente des moyens de prévenir les aspects clés de la défaillance des grands barrages dans des conditions sismiques sévères en mettant l’accent sur la conception plutôt que sur la prévision des séismes. Pour ce faire, on examine la prévention d’une libération rapide et incontrôlée de l’eau d’un barrage de stockage dans des conditions de réservoir plein par rapport aux conditions sismiques prévues. Cet argumentaire est composé par le Comité sur les Aspects Sismiques des Projets de Barrages de la Commission Internationale des Grands Barrages.


Safety of Dams

Safety of Dams
Author: National Research Council
Publisher: National Academies Press
Total Pages: 295
Release: 1985-02-01
Genre: Science
ISBN: 0309035325

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From earth tectonics and meteorology to risk, responsibility, and the role of government, this comprehensive and detailed book reviews current practices in designing dams to withstand extreme hydrologic and seismic events. Recommendations for action and for further research to improve dam safety evaluations are presented.


Earthquake Engineering for Dams and Reservoirs

Earthquake Engineering for Dams and Reservoirs
Author: Jonathan Hinks
Publisher: Emerald Group Publishing
Total Pages: 377
Release: 2023-09-25
Genre: Technology & Engineering
ISBN: 0727766163

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Earthquake Engineering for Dams and Reservoirs is an invaluable source for any engineer, or designer, tasked with building, retrofitting or maintaining dams in all seismically active regions to make decisions on the type of dam structure required for new projects and understand the issues that face existing dams and how to mitigate them.


Improving Federal Dam Safety

Improving Federal Dam Safety
Author: United States. Ad Hoc Interagency Committee on Dam Safety
Publisher:
Total Pages: 220
Release: 1978
Genre: Dam safety
ISBN:

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Dams and Public Safety

Dams and Public Safety
Author: Robert B. Jansen
Publisher:
Total Pages: 348
Release: 1980
Genre: Dam failures
ISBN:

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Federal Guidelines for Dam Safety

Federal Guidelines for Dam Safety
Author: United States. Ad Hoc Interagency Committee on Dam Safety
Publisher:
Total Pages: 60
Release: 1979
Genre: Dam safety
ISBN:

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Federal guidelines for dam safety

Federal guidelines for dam safety
Author:
Publisher: Government Printing Office
Total Pages: 72
Release: 2005
Genre:
ISBN: 9780160428302

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Dam Safety and the Environment

Dam Safety and the Environment
Author: Guy J.-M. Le Moigne
Publisher:
Total Pages: 200
Release: 1990
Genre: Technology & Engineering
ISBN:

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Cutoffs for Dams

Cutoffs for Dams
Author: CIGB ICOLD
Publisher: CRC Press
Total Pages: 358
Release: 2018-12-07
Genre: Technology & Engineering
ISBN: 1351035967

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ICOLD Bulletin 150, Cutoffs for Dams, discusses foundation treatment methods using cutoff-type barriers. High emphasis is given to alluvial deposits throughout this document; however, different materials may require cutoff. The construction of cutoffs has made significant advances mainly through the development of more powerful machinery for drilling and excavation, but also through the introduction of new concepts and techniques, such as jet grouting and deep soil mixing. The following types of cutoffs are presented in this Bulletin: - Diaphragm walls - Vib walls - Pile walls - Superimposed concreted galleries - Jet grouting - Deep mixing These methods are described, and the practical application of each method is illustrated by selected case histories. These case histories also demonstrate how certain difficulties specific to a particular dam site have been dealt with. The performance of cutoffs should be monitored so that their efficiency in reducing flow and piezometric head can be evaluated. Piezometers installed in the foundation upstream and downstream of the cutoff are needed to meet this objective.