rail beam

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• Rail profile — Rail from 1896 Cross sections of flat bottomed which can rest directly …   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

• Beam bridge — Infobox bridge type type name = Beams bridge image title = This footbridge was made from beams and boards obtained from logs from the surrounding forest. sibling names = None descendent names = Box girder bridge, Plate girder bridge, trestle,… …   Wikipedia

• Rail fastening system — Elements of a baseplate based rail fastening system 1. Screw for fixing plate to sleeper 2. Elastomeric pad supporting rail 3. Tension washer 4. Rail clamp 5. Tensioning bolt (nut not shown) 6. Baseplate …   Wikipedia

• rail — rail1 railless, adj. raillike, adj. /rayl/, n. 1. a bar of wood or metal fixed horizontally for any of various purposes, as for a support, barrier, fence, or railing. 2. a fence; railing. 3. one of two fences marking the inside and outside… …   Universalium

• rail — I [[t]reɪl[/t]] n. 1) bui a bar of wood, metal, etc., fixed horizontally, as for a support, barrier, or fence 2) bui a fence; railing 3) rai one of a pair of steel bars that provide the running surfaces for the wheels of locomotives and railroad… …   From formal English to slang

• List of current systems for electric rail traction — This a list of the power supply systems that are, or have been, used for tramway and railway electrification systems. Note that the voltages are nominal and vary depending on load and distance from the substation. Many modern trams and trains use …   Wikipedia

• Lightweight rail — is a particular class of railway characterized by low train weight. The term is a mode of expression for discussing the environmental importance of low train weight, and the implications of this concept will be discussed in the following.The term …   Wikipedia

• Urban rail transit — is an all encompassing term for various types of local rail systems serving urban or older suburban areas. The vast majority of modern urban rail vehicles run on electricity. The set of urban rail systems can be roughly subdivided into four… …   Wikipedia

• Chongqing Rail Transit — (CRT) Info Locale Chongqing Transit type r …   Wikipedia

• Third rail — For other uses, see Third rail (disambiguation). Third rail at the West Falls Church Metro station near Washington, D.C., electrified at 750 volts. The third rail is at the top of the image, with a white canopy above it. The two lower rails… …   Wikipedia