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Chapter One APPLICATIONS The Advanced Waterfront Technologies Test Bed (AWTTB) includes six spans for failure testing of half scale FRP enhanced deck concepts, two spans for full-scale long-term service load testing, and four spans for evaluation of conventional steel protection methods. Some of the AWTTB piles will be prestressed via graphite cables and some of the pile caps will include various FRP elements. Several concepts for rehabilitation/repair of reinforced concrete structures, as well as all-FRP and FRP reinforced/prestressed concrete deck sections will be assessed. Finally, nonstructural composite elements and appurtenances used in waterfront facilities will be evaluated for environmental exposure. [1-21] The Navy’s AWTTB will support the following research activities, with project funding provided by the U.S. Army’s CERL and the Navy’s Office of Naval Research through FY98: • 12-scalepier(notedinFigure1-21); • Full-scale pier; • Static and dynamic load (berthing forces) tests; • Real world durability/constructability evaluation; • Pre/post-tensioned carbon concrete; • Pier structural upgrade systems; and • Pilings and bridge decks. Fishing Industry Although the production of commercial vessels has tapered off drastically, there was much interest in FRP trawlers during the early 1970s. These vessels that are still in service provide testimony to the reduced long-term maintenance claims which led to their construction. For example,the55fooPtollyEsterhasbeeninserviceintheNorthSeasince1967.Shrimp trawlers were the first FRP fishing vessels built in this country withRth.Ce. Brent, launched in 1968. Today, commercial fishing fleets are approximately 50% FRP construction. Other aspects of FRP construction that appeal to this industry include increased hull life, reduction in hull weight and cleaner fish holds. AMT Marine AMT Marine in Quebec, Canada is probably today’s largest producer of FRP commercial fishing vessels in North America. They offer stock pot fishers, autoliners, seiners and stern trawlers from 25 feet to 75 feet. Over 100 craft have been built by the company in the 12 years of their existence, including 80% of all coastal and offshore fishing vessels registered in fi Quebec in recent years. AMT utilizes Airexcore and a variety of materials and manufacturing processes under the direction of their R&D department to produce rugged utility and fishing craft. Delta Marine Delta Marine in Seattle has been designing and building fiberglass fishing, charter and patrol boats for over 20 years. A 70 foot motor yacht has been developed from the highly successful Bearing Sea Crabber. Yachts have been developed with 105 foot and 120 foot molds, which 21PDF Image | Marine Componsites
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