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There were two types of beams used for the trusses on the bridge: glued laminated timber beams were slanted, while the steel beams were vertical; weathering steel was used. [165] [166] [167] Block shear failure, which caused overloading of other elements in the truss. 0 killed [168] [169] [170] Complete collapse Tretten Bridge on the day of the ...
Pin and hanger assembly. A pin and hanger assembly is used to connect two plate girders of a bridge.These assemblies are used to provide an expansion joint in the bridge. One beam (the anchor span) is set on a pier with a short section cantilevered out toward the next pier.
Rapid bridge replacement or accelerated bridge construction (ABC) is a technique that allows bridges to be replaced with minimum disruption to traffic. The replacement bridge is constructed on a site near the bridge to be replaced. When it is completed, the old bridge is cut away and removed using self-propelled modular transporters (SPMTs).
Work on the long-awaited replacement of the Route 1A bridge over Hampton/Seabrook Harbor should begin in earnest ... 1 on the state’s “red list” of bridges in desperate need of repair. Built ...
The Hampton Harbor Bridge is the state's No. 1 red-listed bridge. SPS New England Inc. previously did work on the Hampton Harbor bridge, including a $6.7 million project to repair the mechanical ...
Harbor Freight Tools won a declassification of the class action; that is, the court found that all the individual situations were not similar enough to be judged as a single class, and that their claims would require an individual-by-individual inquiry, so the case could not be handled on a class basis.
A fracture critical bridge is a bridge or similar span that is vulnerable to collapse of one or more spans as a result of the failure in tension of a single element. While a fracture critical design is not considered unsafe, it is subject to special inspection requirements that focus on the tension elements of its structure.
Rather than rebuild, the C&PD bridge was combined with the A&S bridge to form a unique two-line, two-level steel viaduct known as the Safe Harbor Trestle. This bridge at the Conestoga carried the C&PD line over the river, while the A&S ran parallel and approximately 100 feet (30 m) above. Construction was completed and the line opened by July 1906.