Riprap, Flow-Through Rockfill, and Reinforced Rockfill

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Corrosion• Corrosion shortens the life of steel reinforcement• Carbonaceous rockfill materials should be avoideddue to their galvanic effect and because of their highelectrical conductivity• If reinforcement becomes buried by saturated soils,corrosion will be influenced by the quality and pH ofthe water, soluble salt content of the overlying soiland aeration
Fighting Corrosion• Substitute nonmetals for metal reinforcement• Use corrosion resistant metal alloys• Protective coatings• Corrosion monitoring systems• Cathodic protection
Page 2 and 3: Manual Chapters• Chapter 7: Flow-
Page 4: Simplifications• Existing equatio
Page 8 and 9: Allowable Through-FlowDownstream Sl
Page 10 and 11: Mass Slope Stability• Mass or glo
Page 12 and 13: Filter Compatibility• Filter comp
Page 14 and 15: Reinforcement• To best prevent de
Page 16 and 17: Anchor Bars• Alternatives to embe
Page 18 and 19: Reinforcement - Extent• To resist
Page 22 and 23: Fighting Corrosion - Coatings• Fi
Page 24 and 25: Vulnerabilities and Risk• Groins
Page 26 and 27: Pit 7
Page 28 and 29: Pit 7• 36-ft-high rockfill, about
Page 30 and 31: Des Arc Bayou No. 3• NRCS - Arkan
Page 32 and 33: Des Arc Bayou - Details
Page 34 and 35: Riprap• Subject of Chapter 8• R
Page 36 and 37: Recent Research• Most has focused
Page 38 and 39: Sizing of Rock• Manual gives desi
Page 40 and 41: Basic Design Concept• Much of the
Page 42 and 43: Example:4.5q = 30 cfs/ftFixed q all
Page 44 and 45: Upper Stoneville20-ft high, 400-ft

Riprap, Flow-Through Rockfill, and Reinforced Rockfill

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