Chapter V-4. Beach Fill Design
Figure V-4-1. Schematic diagram of storm wave attack on a beach, dune, and upland structures
Dune.
Figure V-4-2. Schematic illustration of preproject, postconstruction, and design profile
Feeder beach
Figure V-4-3. Use of groin structures to enhance beach nourishment projects
Pathways of sediment movement.
Beach topography.
Wave and water level climate.
Prior engineering activities.
Evaluate sediment sources.
Evaluate sediment sources - continued - PartV-Chap40016
Figure V-4-4. Cape-associated inner continental shelf shoals off Cape Canaveral, Florida (Field and Duane 1974)
Evaluate sediment sources - continued - PartV-Chap40018
Borrow site exploration
General field exploration
Figure V-4-5. Reconnaissance zigzag line plot from the north Florida coast (from Meisburger and Field 1975)
Figure V-4-6. Grid lines covering a detailed survey area off Fort Pierce, Florida (from Meisburger and Duane 1971)
Detailed site survey
Accessibility
Volume available
Figure V-4-7. Isopach map of a borrow area used at Ocean City, Maryland
Figure V-4-8. Comparison of composite grain size analysis between the native beach and the borrow material used at Ocean City, Maryland
Sediment suitability
Overfill factor
Figure V-4-9. Isolines of the adjusted overfill ratio (RA) for values of φ mean difference and φ sorting ratio (Shore Protection Manual 1984)
EXAMPLE PROBLEM V-4-1
Beach-fill cross-section design
Figure V-4-10. Seasonal variation of a beach berm
Figure V-4-11. Berm elevation determined from beach profiles measured at various alongshore stations
Figure V-4-12. Example of storm-induced beach erosion as a function of berm width
Dune dimensions. - PartV-Chap40036
Figure V-4-13. Example of storm-induced beach erosion as a function of dune crest elevation
Figure V-4-15. Design profile in front of a seawall
Dune dimensions. - PartV-Chap40039
Figure V-4-16. Theoretical equilibrium profile shapes for different sand grain sizes
Without-project condition.
Storm erosion modeling.
Figure V-4-18. Combined tropical and extratropical erosion-frequency curve
EXAMPLE PROBLEM V-4-2
EXAMPLE PROBLEM V-4-2 (cont)
Step 2; Compute required sectional fill volume
EXAMPLE PROBLEM V-4-3
Figure V-4-19. Three basic types of nourishment profiles (adapted from Dean 1991)
Example V-4-5 illustrates volume calculations using Equation V-4-9
Evaluating project longevity
Periodic renourishment
EXAMPLE PROBLEM V-4-6
Effect of fill length.
Effect of wave environment.
EXAMPLE PROBLEM V-4-7
Effect of background shoreline recession.
EXAMPLE PROBLEM V-4-8
EXAMPLE PROBLEM V-4-9
Simple model application.
Simple model application. (cont)
Figure V-4-20. Advanced fill and renourishment volumes
Figure V-4-21. Cumulative beach nourishment volume
Recommendations for detailed analysis.
Figure V-4-22. Calculated 50-year shoreline position
Anticipating hot spots.
Anticipating hot spots. (cont)
Figure V-4-23. Causes of hot spot formation at a convex shoreline feature
Figure V-4-24. Project shorelines, nearshore bathymetry, wave modeling domain, and position of offshore
Figure V-4-26. Planform adjustment of a beach-fill project designed to "wrap around" existing coastal structures
Fill transitions.
Fill transitions. (cont)
Figure V-4-27. Effect of fill transitions
Figure V-4-28. Effect of fill transitions
Figure V-4-29. Groin field at Long Beach island, New York
Beach-fill stabilization measures.
PartV-Chap4
Figure V-4-1. Schematic diagram of storm wave attack on a beach, dune, and upland structures
Dune.
Figure V-4-2. Schematic illustration of preproject, postconstruction, and design profile
Feeder beach
Figure V-4-3. Use of groin structures to enhance beach nourishment projects
Pathways of sediment movement.
Beach topography.
Wave and water level climate.
Prior engineering activities.
Evaluate sediment sources.
Evaluate sediment sources - continued - PartV-Chap40016
Figure V-4-4. Cape-associated inner continental shelf shoals off Cape Canaveral, Florida (Field and Duane 1974)
Evaluate sediment sources - continued - PartV-Chap40018
Borrow site exploration
General field exploration
Figure V-4-5. Reconnaissance zigzag line plot from the north Florida coast (from Meisburger and Field 1975)
Figure V-4-6. Grid lines covering a detailed survey area off Fort Pierce, Florida (from Meisburger and Duane 1971)
Detailed site survey
Accessibility
Volume available
Figure V-4-7. Isopach map of a borrow area used at Ocean City, Maryland
Figure V-4-8. Comparison of composite grain size analysis between the native beach and the borrow material used at Ocean City, Maryland
Sediment suitability
Overfill factor
Figure V-4-9. Isolines of the adjusted overfill ratio (RA) for values of φ mean difference and φ sorting ratio (Shore Protection Manual 1984)
EXAMPLE PROBLEM V-4-1
Beach-fill cross-section design
Figure V-4-10. Seasonal variation of a beach berm
Figure V-4-11. Berm elevation determined from beach profiles measured at various alongshore stations
Figure V-4-12. Example of storm-induced beach erosion as a function of berm width
Dune dimensions. - PartV-Chap40036
Figure V-4-13. Example of storm-induced beach erosion as a function of dune crest elevation
Figure V-4-15. Design profile in front of a seawall
Dune dimensions. - PartV-Chap40039
Figure V-4-16. Theoretical equilibrium profile shapes for different sand grain sizes
Without-project condition.
Storm erosion modeling.
Figure V-4-18. Combined tropical and extratropical erosion-frequency curve
EXAMPLE PROBLEM V-4-2
EXAMPLE PROBLEM V-4-2 (cont)
Step 2; Compute required sectional fill volume
EXAMPLE PROBLEM V-4-3
Figure V-4-19. Three basic types of nourishment profiles (adapted from Dean 1991)
Example V-4-5 illustrates volume calculations using Equation V-4-9
Evaluating project longevity
Periodic renourishment
EXAMPLE PROBLEM V-4-6
Effect of fill length.
Effect of wave environment.
EXAMPLE PROBLEM V-4-7
Effect of background shoreline recession.
EXAMPLE PROBLEM V-4-8
EXAMPLE PROBLEM V-4-9
Simple model application.
Simple model application. (cont)
Figure V-4-20. Advanced fill and renourishment volumes
Figure V-4-21. Cumulative beach nourishment volume
Recommendations for detailed analysis.
Figure V-4-22. Calculated 50-year shoreline position
Anticipating hot spots.
Anticipating hot spots. (cont)
Figure V-4-23. Causes of hot spot formation at a convex shoreline feature
Figure V-4-24. Project shorelines, nearshore bathymetry, wave modeling domain, and position of offshore
Figure V-4-26. Planform adjustment of a beach-fill project designed to "wrap around" existing coastal structures
Fill transitions.
Fill transitions. (cont)
Figure V-4-27. Effect of fill transitions
Figure V-4-28. Effect of fill transitions
Figure V-4-29. Groin field at Long Beach island, New York
Beach-fill stabilization measures.
PartV-Chap4
