Table of Contents
PREFACE
ACKNOWLEDGEMENTS
Chapter 1 INTRODUCTION
1.1 History and Development
1.2 Gate Components
1.3 Main Applications
1.4 Types and Classifications
Chapter 2 TYPES OF GATES
2.1 Flap Gate
2.2 Cylinder Gate
2.3 Stoplogs
2.4 Slide Gate
2.5 Caterpillar Gate
2.6 Miter Gate
2.7 Roller Gate
2.8 Segment Gate
2.9 Sector Gate
2.10 Stoney Gate
2.11 Drum Gate
2.12 Bear-Trap Gate
2.13 Fixed-Wheel Gate
2.14 Visor Gate
Chapter 3 BASIS FOR SELECTION OF GATE TYPE
3.1 Introduction
3.2 Most Common Types
3.3 Operational Requirements
3.4 Present Limits of Gate Sizes and Heads
Chapter 4 HYDROSTATICS
4.1 Introduction
4.2 Vertical Lift Gates
4.3 Radial Gates
Chapter 5 STRUCTURAL DESIGN
5.1 Load Cases
5.2 Allowable Stresses
5.3 Skin Plate
5.4 Horizontal Beams
5.5 Segment Gate
Chapter 6 EMBEDDED PARTS, GUIDES AND SUPPORTS
6.1 Slots and Niches
6.2 Wheel Track
6.3 Slide Track
6.4 Concrete Bearing Pressure
6.5 Lateral Guidance
6.6 Wheels and Pins
6.7 Bushings
Chapter 7 ESTIMATING GATE WEIGHTS
7.1 Introduction
7.2 Segment Gates
7.3 Fixed-Wheel Gates
7.4 Double-Leaf Fixed-Wheel Gates
7.5 Stoplogs
7.6 Flap Gates
7.7 Caterpillar Gates
7.8 Embedded Parts
Chapter 8 HYDRODYNAMIC FORCES
8.1 Introduction
8.2 Model Tests
8.3 Factors Influencing Downpull
8.4 Formulae for the Prediction of Downpull
8.5 Method of Knapp
Chapter 9 GATE OPERATING FORCES
9.1 Introduction
9.2 Gate Weight
9.3 Friction on Supports and Hinges
9.4 Seal Friction
Chapter 10 AERATION
10.1 Introduction
10.2 Air Vent – Functions and Features
10.3 Air Vents – Empirical Calculation
10.4 Air-Demand Ratio
10.5 Air Vent Dimensioning
Chapter 11 GATE HOISTS
11.1 Introduction
11.2 Screw Lifts
11.3 Wire Ropes
11.4 Roller Chains
11.5 Oil Hydraulic Drives
11.6 Gate Hoist Arrangement
11.7 Hand Operation
11.8 Design Criteria
11.9 Gate Position Measurement
Chapter 12 MATERIALS
12.1 Introduction
12.2 Heat Treatment
12.3 Rolled Steels
12.4 Steels for Machine Elements
12.5 Stainless Steels
12.6 Cast Steels
12.7 Forged Steels
12.8 Gray Cast Irons
12.9 Bronzes
12.10 Bolts
Chapter 13 GATE SEALS
13.1 Introduction
13.2 Wood Seals
13.3 Metallic Seals
13.4 Rubber Seals
13.5 Material for Rubber Seals
13.6 Clad Seals
13.7 Rubber Seal Hardness
13.8 Rubber Specifications
13.9 Seal Leakage
13.10 Manufacture and Assembly of Seals
Chapter 14 MANUFACTURE, TRANSPORTATION AND ERECTION
14.1 Manufacture
14.2 Transportation
14.3 Field Erection
14.4 Acceptance Tests
Chapter 15 TRENDS AND INNOVATION IN GATE DESIGN
15.1 Long-Span Gates
15.2 High-Head Gates
15.3 Refurbishment and Modernization of Gates and Dams
NAME INDEX
SUBJECT INDEX
