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.