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Flanged T rail (also called T-section) is the name for flat bottomed rail used in North America. Iron-strapped wooden rails were used on all American railways until 1831. Col. Robert L. Stevens, the President of the Camden and Amboy Railroad, conceived the idea that an all-iron rail would be better suited for building a railroad. There were no ...
The railway companies became persuaded that the traditional bullhead forms of track needed revision, and after some experimentation a new flat bottom rail format was adopted. The British Standard sections were unsuitable and a new profile, a 109 lb/yd (54 kg/m) rail, was made the new standard.
A chair screw (also known as coach screw [16]) is a large (~6 in or 152 mm length, slightly under 1 in or 25 mm diameter) metal screw used to fix a chair (for bullhead rail), baseplate (for flat bottom rail) or to directly fasten a rail.
Tramway track is used on tramways or light rail operations. As with standard rail tracks, tram tracks have two parallel steel rails, the distance between the heads of the rails being the track gauge. When there is no need for pedestrians or road vehicles to traverse the track, conventional flat-bottom rail is used.
A railway track (CwthE and UIC terminology) or railroad track (NAmE), also known as permanent way (CwthE) [1] or "P Way" (BrE [2] and Indian English), is the structure on a railway or railroad consisting of the rails, fasteners, sleepers (railroad ties in American English) and ballast (or slab track), plus the underlying subgrade.
Rail profile Rail profiles for flat-bottom and bullhead rails The cross section shape of rail. There are many rail profiles, often specific to individual railroads. Rails must be periodically scanned electronically, the data inspected and analysed, then re-profiled with rail grinding machines to maintain the safe and proper rail profile. Rails ...
Vignoles rail was a light section that today would be classed as flat-bottomed rail. In its original form it was only about 4 inches (102 mm) deep and was used on baulk road interchangeably with bridge rail. [4] William Henry Barlow's Barlow rail was patented in 1849 as a purely metal road. Deep rails with an inverted, curved V section were ...
Most of the track is on-street using 35G-section grooved tram rail, with BS11-80A 80 lb/yd (39.7 kg/m) flat-bottom rail elsewhere. [43] The railway track was supplied by British Steel Corporation Track Products of Workington and laid on sleepers consisting of concrete blocks with steel ties which gives a spring feeling when travelling on these ...