Hydrology and Storm Sewer Design includes fundamentals of hydrology and design aspects of various hydraulic engineering devices such as culverts, catch basins, and manholes. This book includes the fundamentals of hydrology, open-channel flow, design of culverts, and overall layout of storm sewers.

Table of Contents

• LIST OF FIGURES
• LIST OF TABLES
• PREFACE
• 1. OPEN-CHANNEL FLOW
• 1.1 Important Terms in Open Channels
• 1.1.1 Wetted Perimeter (WP)
• 1.1.2 Hydraulic Radius (R)
• 1.2 Classification of Open Channels
• 1.2.1 Uniform Steady Flow
• 1.2.2 Nonuniform or Varied Flow
• 1.3 Kinds of Open-Channel Flow
• 1.4 Manning’s Equation
• 1.5 Geometry of Typical Open Channels
• 1.5.1 Rectangular Section
• 1.5.2 Trapezoidal Section
• 1.5.3 Triangular Section
• 1.5.4 Circular Section
• 1.6 Most Efficient Shapes for Open Channels
• 1.7 Specific Energy and Critical Flow
• 1.8 Hydraulic Jumps
• 1.9 Open-Channel Flow Measurement
• 1.10 Different Types of Weirs
• 1.10.1 Rectangular Weir
• 1.10.2 Contracted Weir
• 1.10.3 Cipolletti Weir
• 1.10.4 Triangular Weir
• 1.11 Flumes
• 2. HYDROLOGY FOR HYDRAULIC DESIGN
• 2.1 Hydrologic Cycle
• 2.1.1 Precipitation
• 2.1.2 Runoff
• 2.1.3 Infiltration
• 2.1.4 Subsurface Flow
• 2.1.5 Evaporation
• 2.2 Drainage Area
• 2.3 Time of Concentration
• 2.3.1 Factors Affecting Time of Concentration
• 2.3.1.1 Surface roughness
• 2.3.1.2 Channel shape and flow patterns
• 2.3.1.3 Slope
• 2.3.2 Computing Travel Time and Time of Concentration
• 2.3.2.1 Overland/sheet flow
• 2.3.2.2 Shallow concentrated flow
• 2.3.2.3 Open-channel flow
• 2.3.3 Limitations
• 2.4 Hydrologic Models
• 2.4.1 Rainfall Estimation
• 2.4.2 Rational Method
• 2.4.2.1 Introduction
• 2.4.2.2 Application
• 2.4.2.3 Equations
• 2.4.3 SCS Hydrologic Method
• 2.4.3.1 Introduction
• 2.4.3.2 Application
• 2.4.3.3 Equations and concepts
• 2.4.3.4 Runoff factor
• 2.4.3.5 Urban modifications of the SCS method
• 2.4.3.6 SCS peak runoff estimation
• 3. CULVERTS
• 3.1 Shape of Culverts
• 3.2 Materials
• 3.3 Inlets
• 3.4 Embedded and Open-Bottom Culverts
• 3.5 Long-Span Culverts
• 3.6 Culvert Hydraulics
• 3.6.1 Types of Flow Control
• 3.6.2 Headwater
• 3.6.3 Tailwater
• 3.7 Culvert Hydraulic Design
• 3.7.1 Types of Control
• 3.7.2 Design considerations
• 3.7.3 Culvert inlets
• 3.8 Culvert Design Equations and Nomographs
• 3.8.1 Nomographs
• 4. STORM SEWER DESIGN
• 4.1 Introduction
• 4.2 Structures
• 4.2.1 Inlet Structures
• 4.2.1.1 Configuration
• 4.2.1.2 Location
• 4.2.2 Access Holes
• 4.2.2.1 Configuration
• 4.2.2.2 Chamber and access shaft
• 4.2.2.3 Frame and cover
• 4.2.2.4 Steps
• 4.2.2.5 Channel and bench
• 4.2.2.6 Access hole depth
• 4.2.2.7 Location and Spacing
• 4.2.3 Junction chambers
• 4.2.4 Other Appurtenances
• 4.2.4.1 Transitions
• 4.2.4.2 Flow splitters
• 4.2.4.3 Siphons
• 4.2.4.4 Flap gates
• 4.3 Hydraulics of Storm Drainage Systems
• 4.3.1 Flow Type Assumptions
• 4.3.2 Open Channel vs. Pressure Flow
• 4.3.3 Hydraulic Capacity
• 4.3.4 Energy Grade Line/Hydraulic Grade Line
• 4.3.5 Storm Drain Outfalls
• 4.3.6 Energy Losses
• 4.3.6.1 Pipe friction losses
• 4.3.6.2 Exit losses
• 4.3.6.3 Bend losses
• 4.3.6.4 Transition losses
• 4.3.6.5 Junction losses
• 4.4 Design Guidelines and Considerations
• 4.4.1 Design Storm Frequency
• 4.4.2 Time of Concentration and Discharge
• 4.4.3 Maximum High Water
• 4.4.4 Minimum Velocity and Grades
• 4.4.5 Cover
• 4.4.6 Location
• 4.4.7 Run Length
• 4.4.8 Alignment
• 4.5 Preliminary Design Procedure
• ABOUT THE AUTHOR