Download or read book Labyrinth and Piano Key Weirs written by Sébastien Erpicum and published by CRC Press. This book was released on 2011-05-10 with total page 314 pages. Available in PDF, EPUB and Kindle. Book excerpt: Labyrinth spillways are almost as old as dam engineering. In spite of the fact that they appear as a very good technical-economical compromise, only 0.1% of large dams are equipped with such weirs. The main reason for this is that traditional labyrinth weirs usually cannot be installed on top of concrete gravity dams as they require a large foundat