Spillways on River Levees.

• Superior document: Savoir Faire Series
• Author: Degoutte, Gérard.
• TeilnehmendeR: Tourment, Rémy.
• Place / Publishing House: Versailles : : Quae,, 2021.; {copy}2023.
• Year of Publication: 2021
• Edition: 1st ed.
• Language: English
• Series: Savoir Faire Series
• Physical Description: 1 online resource (179 pages)

Table of Contents

• Intro
• Contents
• Foreword
• Introduction
• 1. Background, definitions, various configurations
• Typology of flood protection levees on rivers
• Protected areas and flood expansion areas
• Typology of spillways on levees
• 2. The historical background of spillways in France
• 1584 to 1891: The first spillway constructions on the Loire and Vidourle Rivers
• 20th century: Several scattered constructions and major development of the Rhône River
• 21st century: A relative acceleration in construction
• 3. The hydraulic design of spillways
• The spillway's impact on the flooded river's waterline
• Impact of the spillway on the waterline in the protected area
• The spillway's flow law
• Spillway location
• Protection, safety, and danger floods
• The principle of flood attenuation or flood hydrograph flattening
• General hydraulic design principles
• The required modelling
• 4. Spillways and river geomorphology
• Overview of sediment transport
• Overview of morphological changes in watercourses
• Morphological changes in leveed watercourses
• The spillway's influence on sediment transport (riverbed)
• Sedimentation behind spillways
• The influence of bed change on spillway performance
• Torrents
• 5. Civil engineering design for levee spillways
• Safety criteria for levee spillways
• Principles of fuse plugs or movable devices
• The plan shape of the levee spillway
• Types of straight weirs and constituent materials
• Fuse plugs or movable devices
• Continuous maintenance tracks
• Overflow erosion on earthen levees
• 6. Emergency management of the levee system
• The benefits and limitations of spillways in emergency management
• The types of emergencies to manage
• Considerations before drafting an Emergency Management Plan
• Emergency management and levee managers
• Local Emergency Action Plan (LEAP).
• Special Emergency Management Plan for Flooding
• 7. Economic aspects
• 8. Summary and Conclusion
• The benefits and limits of a spillway in a protected area
• Spillway features
• Is a spillway always required in a protected area?
• Concluding remarks
• Appendix 1: Spillway types on river levees, according to their hydraulic function and their purpose in flood management
• Appendix 2: A history of spillways on the Loire River
• Appendix 3: Overflow levees and spillways in the CNR's Rhône River development
• General principles
• Example 1: The Chautagne plain and Lac du Bourget
• Example 2: The Printegarde plain in Livron-sur-Drôme
• Glossary
• Reference List.