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ASCE 9780784406311 2002

$26.00

Hydraulic Design of Labyrinth Weirs

Published By Publication Date Number of Pages
ASCE 2002 173
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Henry Falvey compiles a comprehensive handbook on the hydraulic design of labyrinth spillways — from theory to current practice — and presents a state-of-the-art method for the effective design of labyrinth weirs.

PDF Catalog

PDF Pages PDF Title
4 Preface
5 Nomenclature
8 Contents
12 Chapter 1: Introduction
Purpose
Types of Spillways
17 Flow Characteristics
Other Purposes
18 Previous Installations
20 Chapter 2: Analytic Development
Approaches
Side Channel Spillways
Equations of Motion
26 Skew Weirs
27 Labyrinth Weirs
Conclusions
30 Chapter 3: Nappe Interference
Introduction
31 Theory
35 Model Studies
42 Chapter 4: Crests Shapes
Types of Crests
43 Theoretical Minimum Value of the Discharge Coefficient
Discharge Characteristics
Sharp Crest and Flat Top Profile
44 Quarter-Round Profile
45 Half-Round Profile
48 Nappe Profile or Ogee Crest Profile
52 Chapter 5: Design Curves
Introduction
53 Basic Parameters
54 Definition of Upstream Head
55 Design Curves Derived from Model Studies
Taylor
58 Darvas
60 Megalháes and Lorena
61 Lux
64 Tullis et al.
65 Example Computations
67 Critique of Design Curves
72 Chapter 6: Downstream Chute
Introduction
Supercritical Waves
75 Aprons
78 Submergence
80 Chapter 7: Nappe Oscillation
Introduction
Nappe Vibration
81 Case Study
85 Surging Flows
86 Conclusions
88 Chapter 8: Design
Significant Parameters
General Guidelines for Parameter Selection
Headwater Ratio
Vertical Aspect Ratio/Sidewall Angle
89 Magnification Ratio
Sidewall Angle/Magnification
90 Efficacy
92 Apex Ratio
93 Crest Shape
Interference Length Ratio
Approach Flow Conditions
95 Downstream Channel
Layout and Quantities
99 Design Procedure
Steps
100 Spreadsheet
106 Chapter 9: Sedimentation and Ice
Sedimentation Fundamentals
107 Boardman
108 Hellsgate
109 Garland Power Canal
111 Conclusions
Ice
114 Chapter 10: Aeration
Introduction
115 Theory
Falling Jet Types
117 Performance
118 Conclusions
120 Chapter 11: Special Cases
Introduction
Fusegates™
124 Detention Dams
126 Sheet Piling
130 Chapter 12: Modeling Procedures
Introduction
Systematic Errors
Scale Effects Caused by Surface Tension
132 Method of Operation
134 Random Errors
135 Conclusions
Application
136 Case Study
142 Appendix A
156 Appendix B
160 Bibliography
172 Index
A
B
C
D
E
F
G
H
173 I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
ASCE 9780784406311 2002
$26.00