In-Service Performance of Six Barrier Systems on Marine Borer-Damaged Wood Piles.
Final rept. Jan 70-Mar 71,
NAVAL CIVIL ENGINEERING LAB PORT HUENEME CA
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This investigation was conducted to determine suitable materials and methods for the application of barrier systems to wood piles, which are being attacked by marine borers, to stop that attack and to prevent further attack. Five different systems were installed and evaluated on fenderpiles on the Target Repair Facility Pier, San Diego. Flexible PVC or cupro-nickel barrier systems are recommended for use on bearingiles with more than 5 and up to 15 of their cross- sectional area destroyed mesh-reinforced concrete jackets are recommended where more than 15 and less than 50 has been destroyed. A properly designed metal shoe should be applied to all fender piles and a flexible PVC barrier plus a metal shoe to those with 5 to 15 attack. Author-PL
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