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From 1982 to 1986, the original bridge deck, in 747 sections, was replaced with lighter, stronger orthotropic steel deck panels over 401 nights without closing the roadway completely to traffic. [5] The project not only restored the bridge to prime condition but also reduced the deck weight by 12,300 tons (11,160 metric tons).
RAF aircrew with one of their Bristol Beaufighters on a PSP airstrip at Biferno, Italy, August 1944. Marston Mat, more properly called pierced (or perforated) steel planking (PSP), is standardized, perforated steel matting material developed by the United States at the Waterways Experiment Station shortly before World War II, primarily for the rapid construction of temporary runways and ...
Herc Rentals is an equipment rental company, owned by Herc Holdings. It was formerly a subsidiary of The Hertz Corporation before being spun-off as a separate company in 2016. The company provides rentals of heavy equipment , [ 3 ] tools, power generators and pumps, [ 4 ] as well as sales of used equipment.
In multi-story commercial construction, the dominant form of deck (including roof deck) construction is composite steel deck. Generally, hardwoods used for decking come from tropical forests . Much of the logging of these woods, especially teak, mahogany and ipê, is illegal, as outlined in numerous reports by environmental organizations such ...
United Rentals, Inc. is an American equipment rental company, with about 16 percent of the North American market share as of 2022. [5] It owns the largest rental fleet in the world with approximately 4,700 classes of equipment totaling about $19.3 billion in original equipment cost (OEC) as of 2022. [3]
A girder bridge is a bridge that uses girders as the means of supporting its deck. [1] The two most common types of modern steel girder bridges are plate and box. [citation needed]
Cold-formed steel (CFS) is the common term for steel products shaped by cold-working processes carried out near room temperature, such as rolling, pressing, stamping, bending, etc. Stock bars and sheets of cold-rolled steel (CRS) are commonly used in all areas of manufacturing.
The CJ-Series Joists are capable of supporting larger floor or roof loadings due to the attachment of the concrete slab to the top chord of the composite joist. Shear connection between the concrete slab and steel joist is typically made by the welding of shear studs through the steel deck to the underlying CJ-Series Composite Steel Joist. [2]