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This refers to a reinforced concrete beam, girder, or column being poured off site and left to cure. After the curing process, the concrete member may be delivered to the construction site and installed as soon as it is needed. Since the concrete member was cured off location beforehand, construction may continue immediately after erection. [11]
Technical terms for similar items include H-beam, I-profile, universal column (UC), w-beam (for "wide flange"), universal beam (UB), rolled steel joist (RSJ), or double-T (especially in Polish, Bulgarian, Spanish, Italian, and German). I-beams are typically made of structural steel and serve a wide variety of construction uses.
In some cases, the plate girders may be formed in a Z-shape rather than I-shape. The first tubular wrought iron plate girder bridge was built in 1846-47 by James Millholland for the Baltimore and Ohio Railroad. [2] Plate girder bridges are suitable for short to medium spans and may support railroads, highways, or other traffic. Plate girders ...
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The Portland Company was formed to build locomotives of this gauge for use on the local rail system. [3] The gauge was known as "Texas gauge" while required by Texas law until 1875, [4] and used by the New Orleans, Opelousas and Great Western Railroad (NOO&GW) until 1872, and by the Texas and New Orleans Railroad until 1876. The New England ...
The structural channel, C-channel or parallel flange channel (PFC), is a type of (usually structural steel) beam, used primarily in building construction and civil engineering. Its cross section consists of a wide "web", usually but not always oriented vertically, and two "flanges" at the top and bottom of the web, only sticking out on one side ...
Pages in category "Companies based in Ohio" The following 145 pages are in this category, out of 145 total. This list may not reflect recent changes. A. ABX Air;
The Mobile and Ohio Railroad was a railroad in the Southern U.S. The M&O was chartered in January and February 1848 by the states of Alabama , Kentucky , Mississippi , and Tennessee . It was planned to span the distance between the seaport of Mobile, Alabama and the Ohio River near Cairo, Illinois . [ 2 ]