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Concrete sleeper To a related topic : This is a redirect to an article about a similar topic. Redirects from related topics are different than redirects from related words, because a related topic is more likely to warrant a full and detailed description in the target article.
Concrete sleepers were first used on the Alford and Sutton Tramway in 1884. Their first use on a main line railway was by the Reading Company in America in 1896, as recorded by AREA Proceedings at the time. Designs were further developed and the railways of Austria and Italy used the first concrete sleepers around the turn of the 20th century.
A railroad tie, crosstie (American English), railway tie (Canadian English) or railway sleeper (Australian and British English) is a rectangular support for the rails in railroad tracks. Generally laid perpendicular to the rails, ties transfer loads to the track ballast and subgrade , hold the rails upright and keep them spaced to the correct ...
Argos acquired full ownership of Southern Star Concrete in November 2005 in a purchase agreement with the former owners, Texas Growth Fund and Austin Ventures, both based in Austin, Texas. In 2019, Southern Star sold their Arkansas assets to SRM Concrete, a privately-owned materials supply company based out of Nashville, Tennessee.
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In October 2014, the company acquired CRS Proppants LLC, a frac sand supplier, for $225 million. [6] In February 2017, the company acquired a cement plant in Fairborn, Ohio from Cemex for $400 million. [7] In May 2024, the company began expanding its cement plant in Laramie, Wyoming. [8]
Slab track with flexible noise-reducing rail fixings, built by German company Max Bögl, on the Nürnberg–Ingolstadt high-speed line. A ballastless track or slab track is a type of railway track infrastructure in which the traditional elastic combination of sleepers and ballast is replaced by a rigid construction of concrete or asphalt.