![]() The oldest known ferrocement watercraft was a dinghy built by Joseph-Louis Lambot in Southern France in 1848. History Blueprints for a concrete boat Concrete boat constructed by Walter Dowsey hauled out in Chicago The Namsenfjord Since the late 1930s, there have also been ferrocement pleasure boats. ![]() and British invasions in Europe and the Pacific. Few concrete ships were completed in time to see wartime service during World War I, but during 19, concrete ships and barges were used to support U.S. United States Maritime Administration (MARAD) designation for concrete ships-barges was Type B ship. (Ferrocement ships require thick hulls, which results in either a larger cross-sectional area that hurts hydrodynamics, or leaves less space for cargo.) During the late 19th century, there were concrete river barges in Europe, and during both World War I and World War II, steel shortages led the US military to order the construction of small fleets of ocean-going concrete ships, the largest of which was the SS Selma. The advantage of ferrocement construction is that materials are cheap and readily available, while the disadvantages are that construction labor costs are high, as are operating costs. This contrasts against more traditional materials, such as pure steel or wood. Ship whose hull is primarily made of concreteĬoncrete ships are built primarily with ferrocement ( reinforced concrete) hulls, reinforced with steel bars.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |