An AREMA tie plate for 115RE rail is a steel plate designed to sit between the rail and the sleeper (or railroad tie) on a standard railway track, primarily in North America. The 115RE rail plates are manufactured according to specifications from the American Railway Engineering and Maintenance-of-Way Association (AREMA). Sometimes, it is called 115RE Rail Tie Plate or 115RE Rail Base Plate .
115RE rail compatibility: The tie plate is specifically manufactured to fit the base width of a 115RE (or 115 lb) rail. The 115RE designation indicates that the rail weighs 115 pounds per yard. The base width for this rail section is typically 5-1/2 inches.
Shoulders: The top surface of the115RE tie plate has one or two shoulders that fit against the base of the rail to keep it from spreading.
Cant: Tie plates for 115RE rail are typically canted at a slope of 1:40, which tilts the rail inward slightly for improved stability.
Ribs: Some versions may have ribs on the bottom to help anchor the plate to a wooden tie.
Fastening: The plate is fastened to the wooden sleeper using holes for spikes or bolts.
Variations in size: Tie plates for 115RE rail come in various lengths, including common sizes like 12, 13, and 14 inches. For example, AREMA Plan No. 8 is a 14-inch plate designed for a 5-1/2" rail base width.
These plates can be produced using different processes, such as rolling, forging, or casting, depending on the manufacturer and customer requirements.
A 115RE rail tie plate serves to increase the bearing area to distribute the heavy load of a train over the width of the sleeper, which prevents damage to the timber. It also helps hold the rail firmly in place to maintain the correct gauge (the distance between the rails).
A connecting piece: A 115RE tie plate is a steel component placed between a rail and a sleeper.
A load distributor: 115RE tie plate distributes the immense pressure from the train's weight over a wider area of the sleeper.
A wear protector: The 115RE tie plate's smooth surface prevents the sharp bottom of the rail from cutting into the wood or concrete sleeper.
A gauge maintainer: The 115RE tie plate helps hold the rails at the correct distance (gauge) from each other, ensuring train stability.
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