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A rail repair dutchman is typically a 4–6-inch (100–150 mm) long piece of rail that is cut in advance for the purpose and carried by a section crew. If the gang finds a rail with a chipped or broken end, they remove the connector plates ( fishplates ), cut out the damaged section, replace it with the dutchman, and bolt the connectors back ...
State officials brought in ferries to temporarily carry cars across the Laguna Madre. Repair cost for the bridge was estimated US$5 million. I-40 bridge disaster: Webbers Falls, Oklahoma: United States 26 May 2002: Concrete bridge for vehicle traffic over Arkansas River: Barge struck one pier of the bridge causing a partial collapse 14 killed ...
Attempts have been made to increase the safety of bridges with pin and hanger assemblies by adding some form of redundancy to the assembly. Retrofits that add redundancy to pin and hanger assemblies include adding a "catcher's mitt"—a short steel beam attached to the bottom of the cantilevered girder that extends out beneath the suspended girder to "catch" the suspended girder should ...
The pier of a bridge is an intermediate support that holds the deck of the structure. It is a massive and permanent support, as opposed to the shoring , which is lighter and provides temporary support.
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A beam on the eastern side of the bridge cracked in April 1953 [186] [187] and was fixed within a month. [188] Following the cracked-beam incident, Zurmuhlen asked the city to allocate $2.69 million to repair the bridge, as trains disproportionately used one side of the bridge, causing it to tilt.
Shear and Bending moment diagram for a simply supported beam with a concentrated load at mid-span. Shear force and bending moment diagrams are analytical tools used in conjunction with structural analysis to help perform structural design by determining the value of shear forces and bending moments at a given point of a structural element such as a beam.