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A tie exchanger (also known as a TKO for Tie Knock Out, or by various combinations of tie exchanger, extractor, replacer, or inserter) is a self-propelled railroad maintenance of way vehicle that removes old railroad ties (also known as sleepers) from tracks and inserts new ones. By using mechanical and hydraulic force, a tie extractor/inserter ...
Railroad development kept pace with the expanding frontier in the United States after the American Civil War, creating a burgeoning need for new railroad ties. Every mile of track required about 2,500-3,500 crossties. Trains became heavier and faster and the railroads found it was less expensive to add more ties per mile than to buy heavier ...
Octave Chanute, railroad and aviation pioneer, is credited with the idea for using date nails as a way of tracking the life of railroad ties. [1] Different railroads used different sized nails with either alpha or numerical markings. An example would be a Southern Pacific Railroad nail with the marking "01" stamped on the head of the nail. The ...
In some places, railroad ties have been used in the construction of homes, particularly among those with lower incomes, especially near railroad tracks, including railroad employees. They are also used as cribbing for docks and boathouses. The Spanish artist Agustín Ibarrola has used recycled ties from Renfe in several projects.
Unimog pushing a "Spindle Precision Wrenching Unit" used for automatic and synchronous tightening and loosening of rail fastenings Mabbett Railway Chair Manufacturing Company share certificate (1867) A rail fastening system is a means of fixing rails to railroad ties (North America) or sleepers (British Isles, Australasia, and Africa).
A tie crane and trolley laden with wooden ties. A tie crane or tie handler, is a piece of rail transport maintenance of way equipment used to move and handle the railroad ties (also known as sleepers) used in rail tracks using track relaying. The machines are used as an alternative to the manual labor once used.
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.
Whether those two terms refer to the inch size of the railroad tie or something to do with the length of the railroad tie or the cross face measurements of the end of railroad tie is a mystery to me. — Preceding unsigned comment added by 184.13.154.3 ( talk ) 13:34, 18 October 2012 (UTC) [ reply ]