2nd Edition

Dams and Appurtenant Hydraulic Structures, 2nd edition





ISBN 9781138073654
Published June 27, 2018 by CRC Press
1116 Pages

USD $105.00

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Book Description

Dams and Appurtenant Hydraulic Structures, now in its second edition, provides a comprehensive and complete overview of all kinds of dams and appurtenant hydraulic structures throughout the world.

The reader is guided through different aspects of dams and appurtenant hydraulic structures in 35 chapters, which are subdivided in five themes:
I. Dams and appurtenant hydraulic structures – General;
II. Embankment dams;
III. Concrete dams;
IV. Hydromechanical equipment and appurtenant hydraulic structures;
V. Hydraulic schemes.

Subjects treated are general questions, design, construction, surveillance, maintenance and reconstruction of various embankment and concrete dams, hydromechanical equipment, spillway structures, bottom outlets, special hydraulic structures, composition of structures in river hydraulic schemes, reservoirs, environmental effects of river hydraulic schemes and reservoirs and environmental protection. Special attention is paid to advanced methods of static and dynamic analysis of embankment dams.

The wealth of experience gained by the author over the course of 35 years of research and practice is incorporated in this richly-illustrated, fully revised, updated and expanded edition. For the original Macedonian edition of Dams and Appurtenant Hydraulic Structures, Ljubomir Tanchev was awarded the Goce Delchev Prize, the highest state prize for achievements in science in the Republic of Macedonia.

This work is intended for senior students, researchers and professionals in civil, hydraulic and environmental engineering and dam construction and exploitation.

Table of Contents

Preface
Preface to the first edition

PART 1
Dams and appurtenant hydraulic structures – General

1 Utilization of water resources by means of hydraulic structures
1.1 Introduction
1.2 Hydraulic structures (definition, classification)
1.3 General features of hydraulic structures
1.4 Intent of dams. Elements of a dam and a reservoir
1.5 Appurtenant hydraulic structures
1.6 Short review of the historical development of hydraulic structures

2 Foundations of dams
2.1 Foundations for hydraulic structures in general
2.2 Rock foundations
2.3 Semi-rock and soil foundations
2.4 Requirements for the foundation
2.5 Investigation works regarding dam foundations
2.5.1 Indirect investigation methods
2.5.2 Direct investigation methods
2.5.3 Sampling
2.5.4 Testing
2.6 Improvement of foundations

3 Seepage through dams
3.1 Action of seepage flow
3.2 Mechanical action of seepage flow on the earth’s skeleton
3.3 Seepage resistance of earth foundations and structures
3.4 Theoretical aspects of seepage
3.5 Practical solution of the problem of seepage
3.6 Seepage in anisotropic soil conditions
3.7 Seepage in non-homogeneous soil conditions
3.8 Seepage of water through rock foundations
3.9 Lateral seepage
3.10 Seepage through the body of concrete dams

4 Forces and loadings on dams
4.1 Forces and loadings on dams in general
4.2 Forces from hydrostatic and hydrodynamic pressure
4.3 Influence of cavitation and aeration on hydraulic structures
4.4 Influence from waves
4.5 Influence of ice and water sediment
4.6 Seismic forces
4.7 Temperature effects
4.7.1 Temperature effects on embankment dams
4.7.2 Temperature effects on concrete structures

5 Designing hydraulic structures
5.1 Basic stages in the process of the creation and use of hydraulic structures
5.2 Investigation for design and construction of hydraulic structures
5.3 Contents of the hydraulic design and design phases
5.4 Project management and the role of legislation


PART 2
Embankment dams

6 Embankment dams – general
6.1 Introduction, terminology, and classification
6.2 Historical development of embankment dams
6.3 Dimensions of the basic elements of embankment dams
6.4 Choice of the dam site
6.5 Materials for construction of embankment dams
6.6 Choice of type of embankment dam
6.7 Tailings dams
6.7.1 Definition and general features
6.7.2 Classification of tailings dams
6.7.3 Methods of construction of tailings dams

7 Seepage through embankment dams
7.1 Kinds of seepage through the embankment dam body
7.2 Seepage line and hydrodynamic net in embankment dams
7.3 Measures against the harmful effect of seepage
7.3.1 Action against local seepage rising
7.3.2 Action against internal erosion
7.4 Calculations of the casual seepage strength of earthfill dams

8 Static stability of embankment dams
8.1 Introduction
8.2 Classical methods
8.2.1 Method of slices
8.2.2 Wedge method
8.2.3 States in which stability of embankment dams is examined
8.2.4 Stability of rockfill dams
8.3 Advanced methods
8.3.1 Application of the Finite Element Method
8.3.2 Specific properties of the application of the Finite Element Method (FEM) for analysis of embankment dams
8.3.3 Choice of constitutive law
8.3.4 Simulation for dam construction in layers
8.3.5 Simulation for filling the reservoir and the effect of water
8.3.6 Collapse settlement
8.3.7 Simulation of behaviour at the interfaces of different materials
8.3.8 Analysis of consolidation
8.3.9 Creep of materials in the body of embankment dams
8.3.10 Three-dimensional analysis

9 Dynamic stability of embankment dams
9.1 Effect of earthquakes on embankment dams
9.2 Assessment of design earthquake
9.2.1 Strength, attenuation, and amplification of earthquakes
9.2.2 Design earthquake
9.3 Liquefaction
9.4 Analysis of stability and deformations in embankment dams induced by earthquakes
9.4.1 Pseudo-static method
9.4.2 Pseudo-static methods with a non-uniform coefficient of acceleration
9.4.3 Equivalent linear method
9.4.4 Pure nonlinear response method
9.5 Case studies of recent actual events
9.5.1 Case study of Aratozawa dam (Japan, 2008)
9.5.2 Case study of Zipingpu dam (China, 2008)

10 Earthfill dams
10.1 Classification and construction of earthfill dams
10.2 Structural details for earthfill dams
10.2.1 Slope protection
10.2.2 Water-impermeable elements
10.2.3 Drainages
10.3 Preparation of the foundation and the joint between earthfill dams and the foundation
10.3.1 Preparation of the general foundation
10.3.2 Preparation of the foundation when using a dam cutoff trench
10.3.3 Joint of the earthfill dam and the foundation

11 Earth–rock dams
11.1 Construction of earth–rock dams
11.2 Earth–rock dams with vertical core
11.3 Earth–rock dams with a sloping core
11.4 Earth–rock dams of ‘soft’ rocks
11.5 Fissures in the core of earth–rock dams
11.5.1 Kinds of fissures and causes for their occurrence
11.5.2 Measures for preventing the occurrence of fissures
11.6 Designing earth–rock dams in seismically active areas

12 Rockfill dams with reinforced concrete facing
12.1 Definition, field of application and construction
12.2 Modern dams with reinforced concrete facing
12.2.1 Rockfill dam body
12.2.2 Concrete plinth
12.2.3 Concrete face slabs
12.2.4 Joints for reinforced concrete facing slabs
12.2.5 Perimeter joint
12.2.6 Parapet wall and camber
12.3 Construction of the reinforced concrete facing
12.4 Examples of modern CFRDs
12.4.1 Examples from the period 1971–1980
12.4.2 Examples from the period 1982–2000
12.4.3 First decade of XXI century
12.5 Concrete facings of non-conventional concrete

13 Rockfill dams with asphaltic concrete and other types of facings
13.1 Rockfill dams with asphaltic concrete facing
13.1.1 General characteristics
13.1.2 Composition and characteristics of hydraulic asphaltic concrete
13.1.3 Construction of the asphaltic concrete facings
13.1.4 Joint of the lining with a gallery or concrete cutoff in dam’s toe
13.1.5 Joint of the facing with dam’s crest
13.2 Rockfill dams with steel facing
13.3 Rockfill dams with facing of geomembrane
13.3.1 General
13.3.2 Examples of rockfill dams with geomembrane facing

14 Rockfill dams with internal non-earth core
14.1 Rockfill dams with asphaltic concrete core
14.1.1 Function, conditions of work and materials
14.1.2 Structure of the asphaltic concrete cores
14.1.3 Recent examples
14.1.4 Joint of asphaltic concrete core with the foundation and lateral concrete structures
14.2 Other types of non-earth cores
14.2.1 Concrete core walls
14.2.2 Grout and plastic concrete walls (cores)
14.3 Stability of earth-rock dams with asphaltic concrete core

15 Monitoring and surveillance of embankment dams
15.1 Task and purpose of monitoring
15.2 Monitoring of pore pressure and seepage
15.2.1 Hydraulic piezometers
15.2.2 Electric piezometers
15.2.3 Monitoring of seepage
15.3 Monitoring of displacements
15.3.1 Measurement of displacements at the surface of the dam
15.3.2 Measuring displacements in the interior of the dam
15.4 Measurements of stresses
15.5 Seismic measurements
15.6 General principles on the selection and positioning layout of measuring instruments


PART 3
Concrete dams

16 Gravity dams on rock foundations
16.1 Gravity dams in general
16.2 Mass concrete for dams
16.2.1 General
16.2.2 Constituent elements of mass concrete
16.2.3 Parameters of concrete mixture
16.2.4 Fabrication and placing of concrete
16.3 Cross-section of gravity dams
16.3.1 Cross-sections in general
16.3.2 Theoretical cross-section
16.3.3 Practical cross-section
16.4 Dimensioning of concrete gravity dams
16.4.1 Elementary methods
16.4.2 Modern methods
16.5 Determination of stresses
16.5.1 Determination of stresses by the gravitational method
16.5.2 Calculation of stresses by using the theory of elasticity
16.5.3 Calculation of stresses by using the Finite Element Method
16.5.4 Influence of temperature changes, shrinkage and expansion of concrete on stresses in dams
16.5.5 Permissible stresses and cracks
16.6 General structural features of gravity dams
16.7 Stability of gravity dams on rock foundation
16.7.1 Dam sliding and shearing across foundation
16.8 Hollow gravity dams

17 Gravity dams on soil foundations
17.1 Fundamentals of gravity dams on soil foundation
17.2 Schemes for the underground contour of the dam
17.3 Determination of basic dimensions of underground contour
17.4 Construction of elements of the underground contour
17.5 Construction of dam body
17.6 Dimensioning and stability of gravity dams on soil foundation

18 Roller-compacted concrete gravity dams
18.1 Introduction
18.2 Characteristics of roller-compacted concrete
18.2.1 Roller-compacted concrete mixture, placement and properties
18.2.2 Lift joint bond
18.3 Types of roller-compacted concrete
18.4 Trends in development of dams made of roller-compacted concrete
18.5 Improving the water-impermeability of dams made of roller-compacted concrete
18.6 Cost of dams made of roller-compacted concrete
18.7 Examples of dams made of roller-compacted concrete
18.7.1 Examples of the early period of construction of RCC dams
18.7.2 Examples from recent practice
18.7.3 RCC dam construction practice in China
18.7.4 RCC dam construction practice in Spain
18.7.5 RCC dam construction practice in Japan
18.8 Hardfill dams
18.8.1 Basic idea and concept
18.8.2 Hardfill as a dam construction material
18.8.3 Design of hardfill dams
18.8.4 Main features and field of application

19 Buttress dams
19.1 Definition, classification, and general conceptions
19.2 Massive-head buttress dams
19.3 Flat-slab buttress dams
19.4 Multiple-arch buttress dams
19.5 Conditions for application of buttress dams

20 Arch dams
20.1 Arch dams in general – classification
20.2 Development of arch dams through the centuries
20.3 Methods of designing arch dams
20.3.1 Basic design
20.3.2 Arch dams with double curvature
20.3.3 Form of arches in plan and adaptation to ground conditions
20.4 Structural details of arch dams
20.5 Roller-compacted concrete arch dams
20.6 Static analysis of arch dams
20.6.1 Method of independent arches
20.6.2 Method of central cantilever
20.6.3 The trial-load method
20.6.4 The Finite Element Method
20.6.5 The experimental method

21 Dynamic stability of concrete dams
21.1 Earthquake effects on concrete dams
21.2 Methods for dynamic analysis of concrete dams
21.2.1 Linear analysis and response of the structure
21.2.2 Nonlinear analysis and the response of the dam
21.2.3 Dynamic analysis of RCC and hardfill dams
21.3 Knowledge gained from practice and experiments
21.3.1 Knowledge gained from case studies
21.3.2 Laboratory and field experiments
21.4 Recommendation for design and construction of concrete dams in seismically active areas

22 Monitoring and surveillance of concrete dams
22.1 Monitoring, surveillance, and instrumentation of concrete dams – general
22.2 Monitoring by precise survey methods
22.3 Surveillance with embedded instruments
22.4 Automatization and computerization of monitoring


PART 4
Hydromechanical equipment and appurtenant hydraulic structures

23 Mechanical equipment and appurtenant hydraulic structures – general
23.1 Hydromechanical equipment – general
23.1.1 Introduction
23.1.2 Classification of gates and valves
23.1.3 Forces acting on gates and valves
23.2 Mechanisms for lifting and lowering of the gates and valves. Service bridges
23.3 Installation and service of gates and valves
23.4 Appurtenant hydraulic structures
23.4.1 Definition, function and capacity
23.4.2 Classification of spillways and bottom outlets
23.5 Evacuation of overflowing waters via a chute spillway
23.6 Energy dissipation of the spillway jet
23.7 Selection of type of spillway structure

24 Surface (crest) gates
24.1 Basic schemes of surface (crest) gates
24.2 Surface (crest) gates transferring water pressure to side walls or piers
24.2.1 Ordinary plain metal gates
24.2.2 Special plain gates
24.2.3 Stop-log gates
24.2.4 Radial gates
24.2.5 Roller gates
24.3 Surface (crest) gates transferring the water pressure to the gate sill
24.3.1 Sector and drum gates
24.3.2 Flap gates
24.3.3 Bear-trap gates
24.3.4 Inflatable gates

25 High-head gates and valves
25.1 General characteristics – classification
25.2 High-head gates transferring pressure to the structure directly through their supports
25.2.1 Plain high-head gates
25.2.2 Radial (tainter) high-head gates
25.2.3 Diaphragm gate
25.3 Valves transferring the pressure through the shell encasing the valve
25.3.1 Waterworks valve types
25.3.2 Disc-like or butterfly valves
25.3.3 Cone valve
25.3.4 Needle valves and spherical valves
25.4 Cylindrical balanced high-head valves

26 Spillways passing through the dam’s body
26.1 Crest spillways
26.1.1 Crest spillways at concrete dams
26.1.2 Crest spillways at embankment dams
26.2 High-head spillway structures

27 Spillways outside the dam’s body
27.1 Introduction
27.2 Overfall (ogee) spillway structure
27.3 Side-channel spillway
27.4 Shaft (morning glory) spillway
27.4.1 Shaft spillway with circular funnel crest
27.4.2 Special types of shaft spillways
27.4.3 Tower spillway
27.5 Labyrinth spillway
27.6 Siphon spillways

28 Bottom outlet works
28.1 Basic assumptions on designing bottom outlet works
28.2 Bottom outlet works in concrete dams
28.3 Bottom outlet works in embankment dams

29 Special hydraulic structures
29.1 Introduction
29.2 Transport structures
29.3 Hydraulic structures for the admission and protection of fish

30 River diversion during the construction of the hydraulic scheme
30.1 River diversion during the construction of dams and appurtenant hydraulic structures – general
30.2 Construction of the structures without river diversion from the parent river channel
30.2.1 Method with damming of the construction (foundation) pit
30.2.2 Method without damming of the construction pit
30.3 Construction of the structures with river diversion from the river channel
30.3.1 Types of cofferdams


PART 5
Hydraulic schemes

31 Composition of structures in river hydraulic schemes
31.1 Definition and classification of hydraulic schemes
31.2 General conditions and principles for the composition of hydraulic schemes
31.3 Characteristics of river hydraulic schemes for different water economy branches
31.4 Aesthetic shaping of hydraulic schemes
31.5 River hydraulic schemes without pressure head
31.6 Low-head hydraulic schemes
31.7 Medium-head river hydraulic schemes

32 High-head river hydraulic schemes
32.1 High-head river hydraulic schemes on mountain rivers (type I)
32.2 High-head hydraulic schemes on middle and low parts of rivers
32.3 Pumped-storage hydraulic scheme

33 Reservoirs
33.1 Introduction
33.2 Formation and safety of reservoirs
33.2.1 Stability of reservoir banks
33.2.2 Water-impermeability of the reservoir
33.2.3 Seismicity of the ground in the zone of the reservoir
33.2.4 Water absorption of the ground in the zone of the reservoir
33.2.5 Evaporation
33.2.6 Sediment accumulation
33.3 Resettlement of population and relocation of structures
33.4 Sports and recreational facilities

34 Negative effects of hydraulic schemes and environmental protection
34.1 Types of negative effects on the environment
34.1.1 Changing the land into the area of the reservoir
34.1.2 Change of the flow downstream of the dam
34.1.3 Damming the migration paths of fish and wild animals
34.1.4 Change in the surrounding landscape and the microclimate
34.2 Social and ecological monitoring
34.3 Environmental protection – selection of a solution with minimum negative effects on the environment

35 Restoration and reconstruction of hydraulic schemes
35.1 Need for restoration and reconstruction
35.2 Restoration of dams and hydraulic schemes
35.3 Reconstruction of hydraulic schemes

References
Subject index
Index of dams

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Author(s)

Biography

Ljubomir Tanchev was born in 1945 in Prilep (Republic of Macedonia). He moved to Skopje in 1950 where he finished the primary and secondary school and graduated in Civil Engineering from the Sts Cyril and Methodius University, Skopje. He obtained his M.Sc. in 1980 and was awarded his Ph.D. on the subject of Numerical analysis of embankment dams from the same university in 1987. In 1978/79 he completed a post-graduate study at IHE in Delft, The Netherlands.

He began his career working in the laboratory for testing of materials of the CC "Mavrovo" (Skopje) as a research engineer between 1972 and 1977. Then he joined the Sts Cyril and Methodius University, Faculty of Civil Engineering, as assistant. In 1988 he was appointed Assistant Professor, in 1992 Associate Professor and in 1996 Professor, covering the topics of Dams and Hydraulic Structures. He has been Head of the Department of Hydraulic Structures, vice-Dean and from October 1999 till October 2003 Dean of the Faculty of Civil Engineering, Sts Cyril and Methodius University. He retired in October 2010, but is still active in various projects. He was president of the Macedonian Committee on Large Dams (a member of ICOLD) from May 2004 till June 2013.

Over his 40 years of practice, Professor Tanchev has been involved in many hydraulic engineering projects as a designer, consultant, and supervisor. He has published more than 50 scientific works and he is the author of three books published in Macedonian: Static analysis of embankment dams (1989), Hydraulic structures (1992) and Dams and appurtenant hydraulic structures (1999). For the latter book, Prof. Tanchev was awarded the Goce Delchev Prize, the highest state prize for achievement in the sciences. The first English edition of Dams and Appurtenant Hydraulic Structures was published in 2005 by CRC Press / Balkema.

Reviews

Because of the simple and straightforward language used by the author throughout the text, reading this book is very pleasant. The book’s content covers a wide range of disciplines including the initial studies for implementation of the dam, design, construction and operation of hydraulic schemes.

The most important issues of design and construction of dams and associated structures are analysed and described in depth, giving the reader a complete overview on the subject. The presentation of the themes is done in a didactic way, and the book can be used as a manual for engineering of dams. […] All chapters are profusely documented with drawings, charts, and photos of recent examples of achievement. Figures and photographs are of high quality.

[…] In short, the updated edition is an indispensable tool for both advanced students and practising engineers of design and operation of dams and appurtenant hydraulic structures.

Paulo Erbisti, Engineering Consultant, Brazil

The first edition of the Dams and Appurtenant Hydraulic Structures treatise […] was in my opinion one of the best ever books written on dams, providing a complete and comprehensive picture of dams and the appurtenant hydraulic structures which are essential for their safety. I am pleasantly surprised that after only 10 years the author brings to the dam community an even better book, the second revised and enriched edition.

The prime added value of this new edition is the extension of the embankment dam part, focusing on new achievements in concepts and on updated methods of analysis. Special attention is given to the advanced methods of static and dynamic analysis of embankment dams. All valuable papers in the field are reviewed and pertinent syntheses are included in the book. The second major contribution of the new edition is the chapters concerning the new types of concrete dams - roller-compacted concrete gravity dams, hardfill dams and roller-compacted concrete arch dams.

I strongly recommend the book to professionals. It is also an excellent textbook for (graduate) students in civil, hydraulic and environmental engineering.

Prof. Dan Stematiu, Technical University of Civil Engineering of Bucharest, Bucharest, Romania

The reader will find that the book provides a wealth of examples of all kinds of existing dam projects worldwide. By providing a complete and comprehensive picture of dams the author´s work ensures that this book will be a frequently consulted reference for those having frontline experience as dam construction engineers, planners, superintendents, designers and graduate students to increase their knowledge and expertise in this field.

Fidencio Mendez, Consulting Engineer, Guadalajara, Mexico

The enhanced 2nd edition of the reference book by L. Tancev on Dams and Appurtenant Hydraulic Structures has recently been published. This is not only an important reference book for dam engineers but all engineers, students and interested people, who want to understand the technical aspects of dams. The author has discussed the various aspects of dam engineering and the possible solutions based on a large number of case studies rather than focusing on pure analysis aspects. It is obvious that before any analysis can be done, the problem and the possible solutions must be understood first and it has to be demonstrated that the solutions are feasible, which is shown by the examples given. […] The author has also shown that many solutions for dams are possible depending on the topography and geology as well as on the flood and seismic hazards at the site. Therefore all dams are prototypes and none is like the other.
The emphasis of the book is clearly on dams. However, appurtenant hydraulic structures such as spillways, surface and high head gates, bottom outlets, run-of-river power plants, locks, and pump storage plants are also discussed.
This book provides an overview on both the state-of-practice and state-of-the-art in dam engineering and is written in a way that it can easily be understood by non-experts as well. The book is very useful and is highly recommended.

Dr. Martin Wieland, Chairman Committee on Seismic Aspects of Dam Design (International Commission on Large Dams), c/o Poyry Switzerland Ltd., Zurich/Switzerland