Coastal Structures: Types, Functions And Applications
Coastal Structures: Types, Functions And Applications Coastal Structures: Types, Functions And Applications
Nearshore Breakwaters Maumee Bay State Park Lake Erie 42
Groins • Purpose is to reduce beach erosion, or terminate a beach fill • Function by trapping or slowing down longshore transport. • Generally perpendicular to shoreline • Designed to both hold back sand and allow transport, to reduce downdrift impacts 43
- Page 1 and 2: Coastal Structures: Types, Function
- Page 3 and 4: SOFT v.s. HARD (Erodable v.s. Noner
- Page 5 and 6: Advantages of Hard Structures v.s.
- Page 7 and 8: 1. Coastal Armoring Structures More
- Page 9 and 10: Seawalls •Often concrete •May b
- Page 11 and 12: Scour protection Seawalls Typical c
- Page 13 and 14: Seawall Hereford Inlet, NJ Wall add
- Page 15 and 16: Digression #1: Three coastal damage
- Page 17 and 18: Heavier seawall materials can withs
- Page 19 and 20: What is overtopping Overtopping is
- Page 21 and 22: Scour: loss of material at the toe
- Page 23 and 24: Coastal Armoring: Revetments • Pu
- Page 25 and 26: Digression #2: How to Build a Rubbl
- Page 27 and 28: How to Build a Rubblemound Structur
- Page 29: How to Build a Rubblemound Structur
- Page 32 and 33: Revetments Fort Fisher, NC before F
- Page 34 and 35: Bulkheads Anchored Anchor pile Tie
- Page 36 and 37: Bulkheads Bulkheads: “Every homeo
- Page 38 and 39: Types of Coastal Structures 1. Coas
- Page 40 and 41: Nearshore (Detached) Breakwaters
- Page 44 and 45: Groins • Not jetties! • Trap %
- Page 46 and 47: Groins Overhead view of a rock groi
- Page 48 and 49: Groins Terminal groin Buried groin
- Page 50 and 51: How does sand move past a groin San
- Page 52 and 53: Reefs and Sills • Purpose is to l
- Page 54 and 55: Double-T Units & Scour Apron 54
- Page 56 and 57: “Beachsaver” Units Patented sha
- Page 58 and 59: Containment Dikes •Stabilize peri
- Page 60 and 61: Types of Coastal Structures • Coa
- Page 62 and 63: -Smaller vessels are more affected
- Page 64 and 65: Jetties Acting as breakwaters Sourc
- Page 66 and 67: Jetties Barnegat Inlet, NJ (new sou
- Page 68 and 69: Jetties (Dolos/CoreLoc) Manasquan I
- Page 70 and 71: Floating Breakwaters • Purpose is
- Page 72: Construction of first hydraulically
Groins<br />
• Purpose is to reduce beach erosion, or terminate a beach fill<br />
• Function by trapping or slowing down longshore transport.<br />
• Generally perpendicular to shoreline<br />
• Designed to both hold back sand and allow transport, to reduce<br />
downdrift impacts<br />
43
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