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  2. Pontoon bridge - Wikipedia

    en.wikipedia.org/wiki/Pontoon_bridge

    A pontoon bridge (or ponton bridge), also known as a floating bridge, uses floats or shallow-draft boats to support a continuous deck for pedestrian and vehicle travel. The buoyancy of the supports limits the maximum load that they can carry. Most pontoon bridges are temporary and used in wartime and civil emergencies.

  3. Bridge protection systems - Wikipedia

    en.wikipedia.org/wiki/Bridge_protection_systems

    There are several types of bridge protection systems used: [7] Pile-supported fender system on the James P. Houlihan Memorial Bridge. Fender systems attached to the pier with the goal to absorb the vessel impact. Their ability to withstand a typical ship collision is low. Fenders are built using a variety of materials: [8] thin-walled concrete box;

  4. Float (nautical) - Wikipedia

    en.wikipedia.org/wiki/Float_(nautical)

    A pontoon boat is a flattish boat that relies on nautical floats for buoyancy. Common boat designs are a catamaran with two pontoons, or a trimaran with three. [2] In many parts of the world, pontoon boats are used as small vehicle ferries to cross rivers and lakes. [3] An anchored raft-like platform used for diving, often referred to as a pontoon

  5. Cumberland Pontoons - Wikipedia

    en.wikipedia.org/wiki/Cumberland_Pontoons

    Early pontoon bridges during the Civil War were heavy and awkward, and required special long-geared pontoon carriers to transport them to the site of the planned river crossing. There were two main types—the French-designed wooden bateau (known in the army as a "Cincinnati pontoon") and the Russian pontoon, a canvas boat. Both types were ...

  6. List of bridge failures - Wikipedia

    en.wikipedia.org/wiki/List_of_bridge_failures

    Wooden pontoon bridge over River Douro: Bridge overloaded by thousands of people fleeing a bayonet charge of French Imperial Army led by Marshal Soult during the First Battle of Porto: 4000 killed Several spans destroyed. Bridge reconstructed, dismantled in 1843 Saalebrücke bei Mönchen-Nienburg Nienburg, Saxony-Anhalt: Germany 6 December 1825

  7. Boat building - Wikipedia

    en.wikipedia.org/wiki/Boat_building

    Aluminum and aluminum alloys are used both in sheet form for all-metal hulls or for isolated structural members. Many sailing spars are frequently made of aluminium after 1960. It is the lightest material for building large boats (being 15–20% lighter than polyester and 30% lighter than steel).

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