
- 222 pages
- English
- ePUB (mobile friendly)
- Available on iOS & Android
Dam Surveillance Guide
About this book
Dams are part of human achievements that induce great benefits for society but also bear a potential risk to people, property and the natural environment. The risk of a dam rupture is extremely low and diffi cult to quantify accurately. The aim of 'Dam surveillance' (ICOLD Bulletin 158), is to help reduce these risks by early detection of an undesirable event.
The objective of dam surveillance is to make a precise and timely diagnosis of the behavior of dams, in order to prevent undesirable consequences. Both the monitoring system and surveillance program has to be designed and should be able to detect any abnormal behaviour. 'Dam surveillance' (ICOLD Bulletin 158), emphasizes the following aspects:
âą Routine visual inspection
âą Special inspection
âą Checking and testing of Hydro-electromechanical equipment
âą Monitoring parameters and devices
âą Automation
âą Maintenance of ageing monitoring systems
âą Re-instrumentation of existing dams
âą Recent developments
âą Data management
âą Dam documentation management
âą Assessment of dam condition and behaviour
âą Assessment of routine dam safety monitoring programme
âą Prioritization of maintenance, remedial and upgrading works.
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Information
1âIntroduction
- La description proprement documentée du comportement du barrage, de ses fondations et des autres composants ;
- Lâidentification des modes de rupture potentiels et la dĂ©termination des niveaux de risque associĂ©s
- La prĂ©paration et lâimplĂ©mentation de plans dâaction appropriĂ©s en cas dâurgence, applicables au barrage et aux consĂ©quences de sa rupture
- LâimplĂ©mentation dâun programme qui permette de dĂ©tecter les premiers indices du dĂ©veloppement des modes de rupture significatifs. Une reprĂ©sentation schĂ©matique des activitĂ©s de surveillance durant la vie du barrage est illustrĂ©e Ă la figure 1.1.
- Lâinspection visuelle de routine,
- Les inspections particuliĂšres (des zones inaccessibles),
- La vérification et les essais des équipements hydro-électromécaniques,
- Les dispositifs dâauscultation et les paramĂštres correspondants,
- Les systtĂšme de mesure automatique,
- La maintenance et le vieillissement des systĂšmes dâauscultation,
- La ré-instrumentation des barrages existants,
- Les développements techniques récents,
- La gestion de données,
- La gestion de la documentation du barrage,
- LâĂ©valuation de lâĂ©tat et du comportement du barrage,
- LâĂ©tablissement du programme rĂ©gulier dâauscultation et dâĂ©valuation de la sĂ©curitĂ© du barrage,
- La priorisation des travaux de maintenance, de réparation et de mise à niveau.

Représentation schématique des activités de surveillance pendant le cycle de vie des barrages

Diagramme illustrant lâamĂ©lioration continue du systĂšme de surveillance
2 Inspections visuelles et inspections particuliĂšres
2.1. Définitions
2.2. Inspection visuelle
2.2.1. Généralités
2.2.2. Ătendue des inspections visuelles
- Infiltrations
- Déplacements et déformations
- Fissuration
- Signes dâĂ©rosion et dâaltĂ©ration
Table of contents
- Cover
- Title
- Copyright
- Contents
- 1. Introduction
- 2. Inspections visuelles et inspections particuliĂšres
- 3. ContrÎle et essais des équipements hydromécaniques
- 4. Dispositifs et paramĂštres dâauscultation
- 5. Automatisation
- 6. Maintenance et vieillissement des systĂšmes dâauscultation
- 7. RĂ©-instrumentation de barrages existants
- 8. DĂ©veloppements rĂ©cents de lâinstrumentation et leurs applications
- 9. Gestion des données
- 10. Gestion de la documentation des barrages
- 11. Ăvaluation de lâĂ©tat et du comportement des barrages
- 12. Ăvaluation du programme de pilotage de la sĂ©curitĂ© des barrages
- 13. Priorisation de la maintenance, la rĂ©paration et la mise Ă niveau des systĂšmes dâauscultation
- 14. Conclusions
- Annexe
- 1. Introduction
- 2. Visual Inspections and Special/Ad hoc Inspections
- 3. Checking and testing hydro-mechanical equipment
- 4. Monitoring parameters and devices
- 5. Automation
- 6. Maintenance and ageing of monitoring systems
- 7. Re-instrumentation of existing dams
- 8. Recent instrumentation developments and applications
- 9. Data management
- 10. Dam documentation management
- 11. Assessment of condition and behavior of dams
- 12. Assessment of dam safety monitoring programme
- 13. Prioritisation of maintenance, remedial and upgrading monitoring systems
- 14. Concluding remarks
- Annexure