Reference : Labyrinth and Piano Key Weirs - PKW 2011
Books : Collective work published as editor or director
Engineering, computing & technology : Civil engineering
Labyrinth and Piano Key Weirs - PKW 2011
[fr] Déversoirs en labyrinthe et en touches de piano
Erpicum, Sébastien mailto [Université de Liège - ULiège > Services généraux (Faculté des sciences appliquées) > Scientifiques attachés au Doyen (Sc.appliquées) >]
Laugier, Frédéric mailto []
Boillat, Jean Louis []
Pirotton, Michel mailto [Université de Liège - ULiège > Département Argenco : Secteur MS2F > Hydrodynamique appl. et constructions hydrauliques (HACH) >]
Reverchon, Bernard []
Schleiss, Anton []
CRC Press/Balkema
The Netherlands
[en] Labyrinth weir ; Piano Key Weir ; PKW ; Spillway
[en] The Piano Key Weir (PKW) is a weir of particular geometry, associating to a labyrinth shape the use of overhangs to reduce the basis length. The PKW can thus be directly placed on a dam crest. Together with its important discharge capacity for low heads (several times the one of a linear Creager weir), this geometric feature makes the PKW an interesting solution for dams rehabilitation as well as new constructions. However, PKW constitutes a new type of weir, firstly designed in 2001 and built for the first time in 2006 by EDF.
With several researches and projects on PKW all over the world, the workshop about Labyrinth and Piano Key Weirs aimed at bringing together all the people (engineers, researchers,...) interested to state and summarize the current knowledge on this still non conventional hydraulic structure.
The main themes tackled during the conference concern followings:
• Physical Modeling. Hydraulic capacity
• Physical Modeling. Downstream fittings
• Numerical Modeling
• Hydraulic Design
• Planned and achieved projects
• Nomenclature, Database, Future developments
The papers reviewed and accepted by an International Scientific Committee and presented during the workshop sessions are published in the present book which constitutes a reference on the subject.
Aquapôle - AQUAPOLE
Researchers ; Professionals

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