track buckling
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Track ballast — forms the trackbed upon which railroad ties (US) or railway sleepers (UK) are laid. It is packed between, below, and around the ties. It is used to facilitate drainage of water, to distribute the load from the railroad ties, and also to keep down … Wikipedia
Track (rail transport) — Permanent way redirects here. For other uses, see Permanent way (disambiguation). Twin rail tracks in a wooded area … Wikipedia
Rail stressing — Stressing is a technique developed in the 1960 s to avert rail track problems that can occur when installing Continuous Welded Rail (CWR). When installing new rail the rail must be returned to its former temperature or length. Technique… … Wikipedia
Permanent way — The permanent way means the physical elements of the railway line itself: generally the pairs of rails typically laid on sleepers embedded in ballast, intended to carry the ordinary trains of a railway. This page describes British practice and… … Wikipedia
Cold formed steel — (CFS) is the common term for products made by rolling or pressing thin gauges of sheet steel into goods. Cold formed steel goods are created by the working of sheet steel using stamping, rolling, or presses to deform the sheet into a usable… … Wikipedia
Sun kink — refers to a condition that can occur on hot days in rail tracks. The phenomenon is caused by what is properly termed as buckling.The buckling force in the track due to warming up is a function of the rise in temperature only and is independent of … Wikipedia
Non-rocket spacelaunch — Non rocket space launch (NRS) is a launch into space where some or all needed speed and altitude is provided by non rocket means, rather than simply using conventional chemical rockets from the ground. A number of alternatives to rockets have… … Wikipedia
Truss — For other uses, see Truss (disambiguation). In architecture and structural engineering, a truss is a structure comprising one or more triangular units constructed with straight members whose ends are connected at joints referred to as nodes.… … Wikipedia
Rail tracks — are used on railways (or railroads), which, together with railroad switches (or points), guide trains without the need for steering. Tracks consist of two parallel steel rails, which are laid upon sleepers (or cross ties) that are embedded in… … Wikipedia
Rail transport — Railroad and Railway both redirect here. For other uses, see Railroad (disambiguation). Rail transport is the conveyance of passengers and goods by means of wheeled vehicles specially designed to run along railways or railroads. Rail transport is … Wikipedia
Derailment — For the use of the term in psychiatry, see derailment (thought disorder). Derailed Tatra T3 tram in Brno, Czech Republic … Wikipedia
