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Plate rail was an early type of rail and had an 'L' cross-section in which the flange kept an unflanged wheel on the track. The flanged rail has seen a minor revival in the 1950s, as guide bars , with the Paris Métro ( Rubber-tyred metro or French Métro sur pneus ) and more recently as the Guided bus .
A handrail is a rail that is designed to be grasped by the hand so as to provide safety or support. [1] In Britain , handrails are referred to as banisters . Handrails are commonly used while ascending or descending stairways and escalators in order to prevent injurious falls, and to provide bodily support in bathrooms or similar areas.
Crosslevel (or 'cross level') is the measurement of the difference in elevation (height) between the top surface of the two rails at any point of railroad track. The two points (each at the head of each rail) are measured at by the right angles to the reference rail. Since the rail can slightly move up and down, the measurement should be done ...
Cross-sections of rail. Left: flat-bottomed rail, which is spiked, screwed or clipped directly to a sleeper (CwthE) or crosstie (AE), or through a steel baseplate, which protects the sleeper. Right: bullhead rail, an older design used mainly in the UK, which sits in a cast-iron chair with a timber or spring-steel key to keep it secure.
Standard-gauge Rail Baltica railway is under construction and is scheduled to be completed by 2026. Cost studies have been undertaken for a potential overhaul of entire rail network to standard gauge. [41] Ethiopia: Addis Ababa-Djibouti Railway; Addis Ababa Light Rail: 659 km (409 mi) Other standard gauge lines under construction. Finland
Height of the handrail. This is typically between 34 and 38 inches (864 and 965 mm), measured to the nose of the tread. The minimum height of the handrail for landings may be different and is typically 36 inches (914 mm). Handrail diameter. The size has to be comfortable for grasping and is typically between 1.25 and 2.675 inches (31.8 and 67.9 ...
English: Simplified cross-section of dome and keel structure. Date: 13 November 2014: Source: Own work: ... Page size: 544.168 x 361.918 pts: Version of PDF format: 1.5
MIL-STD-1913 rail dimensions, cross section (dimensions in inches) Attempts to standardize the Weaver rail mount designs date from work by the A.R.M.S. company and Richard Swanson in the early 1980s. [citation needed] Specifications for the M16A2E4 rifle and the M4E1 carbine received type classification generic in December 1994.