Riprap, Flow-Through Rockfill, and Reinforced Rockfill
Riprap, Flow-Through Rockfill, and Reinforced Rockfill
Riprap, Flow-Through Rockfill, and Reinforced Rockfill
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Pit 7 Afterbay Dam – Calif.• Early design for a rockfill with reinforcementthat has been used as a basis of manysubsequent dams (Leps 1973)• Afterbay for Pacific Gas & Electric’s Pit No. 7Powerhouse• Subjected to continuous through-flow <strong>and</strong>frequent overflow, with normal flows rangingfrom 2,000 to 6,650 cfs <strong>and</strong> maximum flowsup to an estimated 85,000 cfs