HY8:HY-8 User Manual 7.5
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HY-8 User Manual (v7.5)
HY-8 Culvert Analysis Program
- 1. Introduction
- Introduction
- Getting Started
- Differences from DOS HY-8
- Limitations
- Vena Contracta
- 2. Building a Project
- Building a Project
- Locate Project
- Culvert Crossing Data
- Run Analysis
- Report Generation
- 3. Crossing Data
- 3.1. General Data
- Crossings
- Discharge Data
- 3.2. Roadway Data
- Roadway Data
- Roadway Profile
- 3.3. Tailwater Data
- Tailwater Data
- Channel Shape
- Rating Curve
- Constant Tailwater Elevation
- 3.3.1. Irregular Channel
- Irregular Channel
- Irregular Channel Error
- 4. Culvert Data
- 4.1. Culvert Data
- Culvert Data
- Shapes
- Material
- Plastic Pipe Materials
- Concrete Open Bottom Arch
- South Dakota Concrete Box
- Culvert Type
- Broken Back Culverts
- Inlet Configurations
- Inlet Depression
- Embedment Depth
- 4.2. Site Data
- Site Data Input Option
- Culvert Invert Data
- Embankment Toe Data
- 5. Analysis
- 5.1. General
- Project Units
- Roadway Overtopping
- 5.2. Head Water Computations
- 5.2.1. Inlet Control
- Inlet Control Computations
- Polynomial Generation
- Polynomial Coefficients
- 5.2.2. Outlet Control
- Outlet Control Computations
- Exit Loss Options
- Hydraulic Jump Calculations
- 5.3. Tables and Plots
- Tables and Plots
- Crossing Summary
- Culvert Summary
- Water Surface Profiles
- Tapered Inlet
- Customized
- Controlling Plot Display Options
- 6. Energy Dissipation
- Energy Dissipators
- 6.1. Scour Hole Geometry
- Scour Hole Geometry
- 6.2. Internal Energy Dissipators
- Increased Resistance in Box Culverts
- Increased Resistance in Circular Culverts
- Tumbling Flow in Box Culverts
- Tumbling Flow in Circular Culverts
- USBR Type IX Baffled Apron
- 6.3. External Dissipators
- 6.3.1. Drop Structures
- Drop Structures
- Box Inlet Drop Structure
- Straight Drop Structure
- 6.3.2. Stilling Basin
- Stilling Basins
- USBR Type III Stilling Basin
- USBR Type IV Stilling Basin
- Saint Anthony Falls (SAF Stilling Basin)
- 6.3.3. Streambed level Structures
- Streambed Level Structures
- Colorado State University (CSU) Rigid Boundary Basin
- Riprap Basin and Apron
- Contra Costa Basin
- Hook Basin
- USBR Type VI Impact Basin
- 7. Aquatic Organism Passage
- Aquatic Organism Passage
- 7.1. Stream Simulation
- Stream Simulation
- Input Reach Data
- Gradation Data
- Align and Size Culvert
- Results Table
- 8. Low Flow Hydraulics
- Low Flow Hydraulics Method
- 8.1. Low Flow Hydraulics Interface
- Input Data
- Gradation Data
- Align and Size Culvert
- Results Table
- 9. Troubleshooting
- Troubleshooting
- Contacting FHWA
