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Products include: box culverts, 3-sided culverts, bridge systems, railroad crossings, railroad ties, sound walls/barriers, Jersey barriers, tunnel segments, concrete barriers, TVCBs, central reservation barriers, bollards, and other transportation products. Precast concrete can also be used to make underpasses, surface crossings, and pedestrian ...
The bridge, also known as the Natchez Trace Parkway Arches, is the first segmentally constructed concrete arch bridge in the United States. [2] The arches comprise 122 hollow box segments precast in nearby Franklin, each of which was about 9.8 ft (3.0 m) long and weighed between 29 and 45 short tons. [2]
Senator William V. Roth Jr. Bridge in Delaware is a cable-stayed bridge using precast concrete segments for the approach and center spans; Vancouver SkyTrain's Millennium Line as well as the elevated portion of the Canada Line; Linn Cove Viaduct in the Blue Ridge Mountains, North Carolina (precast) Manwel Dimech Bridge in St. Julian's (San ...
An unreinforced concrete arch is technically a masonry arch that use only very small stones, that is the aggregate of the concrete, sand and gravel. Such an arch would not stand without mortar. Some modern bridges are built masonry style with precast concrete blocks, like Gladesville Bridge that has a span of 305 metres (1000 ft). These types ...
AltusGroup emerged from a development initiative between Oldcastle Precast and Chomarat North America, formerly TechFab, LLC and operates under the concept of co-opetition. Member companies collaborate and share information to advance the development and marketing of CarbonCast and other technologies, but compete for jobs through the ...
Spancrete produces precast, prestressed concrete products that are used in commercial, industrial, institutional, residential and multifamily construction projects in the Midwest and Southeast. The company also manufactures and sells hollowcore extrusion machines that are used to produce precast concrete internationally.
Gilwern's precast-concrete arched bridge, on the A465, ('Head of Valleys Road'), between Gilwern and Brynmawr, is made of 70 individual units. The bridge structure is believed to be the widest-spanned, pre-cast concrete arched bridge in the world. It has 70 pre-cast units, each weighing 27.5 tons.
If the spandrel is solid, usually the case in a masonry or stone arch bridge, the bridge is called a closed-spandrel deck arch bridge. If the deck is supported by a number of vertical columns rising from the arch, the bridge is known as an open-spandrel deck arch bridge. The Alexander Hamilton Bridge is an example of an open-spandrel arch bridge.