Hydraulic structures-P. Novak, A.I.B. Moffat and R. Narayanan

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Hydraulic structures-P. Novak, A.I.B. Moffat and R. Narayanan

The aim of the book, to provide a text for ?nal year undergraduate and postgraduate students, remains the same as in the previous editions; we also trust that researchers, designers and operators of hydraulic structures will continue to and the text of interest and a stimulating up-to-date reference source.
This new edition enabled us to  update the text and references
throughout, and to introduce some important changes and additions reacting to new developments in theld. We have also taken note of some comments received on the previous edition; particular thanks for the constructive comments and help provided by Professor J. Lewin in redrafting
Chapter 6 (Gates and valves).
The authorship of individual chapters remains the same as in previ-
ous editions; (Dr Narayanan carried out the work on this edition during his stay in the Faculty of Civil Engineering, Universiti Teknologi Malaysia,Johor Bahru, Malaysia). However, as our colleague Dr C. Nalluri unfortunately died in December 2003 ‘his’ text was reviewed by Dr Narayanan
(Chapter 13) and Professor Novak (Chapters 9, 10 and 12) who also again edited the whole text.
Readers of the previous (2001) edition may note the following major changes:
Chapter 1. Enhanced discussion of environmental issues including the World Commission on Dams report.
Chapter 2. New sections on partially saturated soils, small farm and
amenity dams, tailing dams and lagoons and upgrading and
rehabilitation of embankment dams; extended treatment of
upstream face protection/rock armouring.
Chapter 3. Extended discussion of roller-compacted concrete dams
and a new section on upgrading of masonry and concrete dams.
Chapter 4. Substantially enhanced discussion of ?ow over stepped spill ways.
Chapter 5. Extended treatment of scour in plunge pools.
Chapter 6. Enlarged treatment of hydrodynamic forces acting on low and high-head gates and new sections dealing with cavitation, aeration and vibrations of gates and automation,control and reliability.
Chapter 7. Increased coverage of integrated risk analysis/management and contingency/emergency planning in dam safety.
Chapter 9. Inclusion of barrages with raised sill.
Chapter 12. New text on small hydraulic power development and tidal and wave power.
Chapter 14. More detailed treatment of wave breaking, wave statistics and pipeline stability.
Chapter 15. Enhanced treatment of beach pro?le and wave/structure
interaction and a new section on coastal modelling.
Chapter 16. Enlarged discussion of mathematical, numerical and computational models in hydraulic engineering.
In order not to increase the size of the book unduly some less relevant material has been omitted (particularly in Ch. 12).
P. Novak, A.I.B. Moffat and R. Narayanan
Newcastle upon Tyne, June 2006

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