Pier Protection System
• Each main pylon protection fender is longer and wider than an NFL football field and over 20 feet thick , containing ~41,600 cubic yards (≈83,000 tons) of reinforced concrete. • Each pylon fender is supported by 78 steel pipe piles , each pile is 8 foot in diameter and filled with ~144 cubic yards (≈288 tons) of concrete. smaller but similar,containing ~21,000–23,000 cubic yards (≈42,000–47,000 tons) of concrete. • In total, the bridge’s protection system uses 276 concrete- filled steel piles , each 8 feet in diameter . • The other four cable-stayed pier protection fenders are
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