Coastal Structures: Types, Functions And Applications

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What does overtopping do Impact from overtopping water can cause direct damage to upland infrastructure, and can remove material from behind structures, causing structure failure. Overtopped water floods behind line of protection. ASHAROKEN 15 Mar 2010 Removes unprotected soil from behind structure, fails structure Damage reaches to far side of roadway 20
Scour: loss of material at the toe Wave form is traveling forward Structure stops forward motion of wave, reflects it back, increasing wave height Moving water digs out sand - bottom scours But water particles go in circular paths Friction from sloping bottom slows down water particles, wave steepens (may break) 21
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: What is overtopping Overtopping is
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 42 and 43: Nearshore Breakwaters Maumee Bay St
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
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Coastal Structures: Types, Functions And Applications

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