1st Edition

Hydraulics of Stepped Spillways
Proceedings of the International Workshop on Hydraulics of Stepped Spillways, Zurich, Switzerland, 22-24 March 2000

Edited By

H.-E. Minor

,

W.H. Hager




ISBN 9789058091352
Published December 31, 1999 by CRC Press
220 Pages

USD $200.00

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Book Description

This book provides a discussion of the latest research pertaining to the hydraulic design of spilways and to hydraulic engineering in general. It comprises the papers of a workshop organized to bring together engineers and scientists from around the world for the exchange of ideas on water flow over stepped spillways. This workshop covered a range of subjects from two-phase flow characteristics to refurbishment and implementation of spillways in existing dam structures, and the book also includes a number of illustrative case studies. Overall, this book is one of the first in the rapidly growing field of modern hydraulic engineering techniques. It will interest designers, scientists, and graduate students and researchers in the fields of hydraulic, civil and environmental engineering.

Table of Contents

Preface -- Organization -- Sponsors -- Introductory lecture -- Spillways for high velocities /H-E.Minor -- Case studies -- Field testing of Brushes Clough stepped block spillway /R.Baker -- The stepped spillway for the Mhlathuzane dam, Swaziland /U.Drewes & T.Gehrke -- Hydraulic design of Nakasujigawa dam stepped spillway /N.Hakoishi & T.Sumi -- Ashton stepped spillway - Design and construction /L.A.Nigus, K.M.Steiger & C.Marti -- Aeration characteristics and cavitation risk -- Stepped spillways, a dissolved gas abatement alternative /M.L.Ahmann & E.T.Zapel -- Scale effects in modelling two-phase stepped spillway flow /R.M.Boes -- Air inception in skimming flow regime over stepped spillways /M.R.Chamani -- Air entrainment and safety against cavitation damage in stepped spillways over RCC dams /J.Matos, M.Sdnchez, A Quintela & JDolz -- Air-water flow and gas transfer at aeration cascades: A comparative study of smooth and stepped chutes /L.Toombes & H.Chanson -- Energy dissipation -- Stepped spillway studies at CEDEX /C.Mateos lgudcel & V.ElviroGarcfa -- Flow resistance in skimming flow: A critical review /H.Chanson, Y.Yasuda & l.Ohtsu -- Dissipation efficiency of stepped spillways /U Frati no, AF. Piccinni & G.de Marinis -- Energy dissipation comparison among stepped channel, drop and ramp structures /A Peruginelli & S. Pagliara -- Nappe flow in stepped channels - Occurrence and energy dissipation /A.N.Pinheiro & C.S.Fael -- Internal flow features -- Backwater and drawdown curves in stepped spillway flow /W.H.Hager & R.M.Boes -- Pressure field in skimming flow over a stepped spillway /M.Sdnchez Juny, J.Pomares & J.Dolz -- Characteristics of plunging flows in stepped channel chutes /Y.Yasuda & l.Ohtsu -- Design -- The CIRIA guide for the design of stepped-block spillways /R.Baker -- Guidelines for the hydraulic design of stepped spillways /R.M.Boes & H.-E.Minor -- Roller compacted concrete and stepped spillways /E.J.Ditchey & D.B.Campbell -- Design of concrete stepped overlay protection for embankment dams /K.H.Frizell, J.Matos & A.N.Pinheiro -- Hydraulic design of stepped spillways over RCC dams /J.Matos -- Design of stepped spillway for skimming flow regime /S.P.Tatewar & R.N.lngle -- Author index.

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Editor(s)

Biography

Versuchsanstaltfar Wasserbau, Hydrologie und Glaziologie, VAW, ETH - Zentrum, Zurich, Switzerland. Versuchsanstaltfar Wasserbau, Hydrologie und Glaziologie, VAW, ETH - Zentrum, Zurich, Switzerland.