- track ballast
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путевой балласт
Англо-русский словарь технических терминов. 2005.
track ballast
Смотреть что такое "track ballast" в других словарях:
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
Ballast — may mean: Objects: * Ballast tanks, a device used on ships and submarines and other submersibles to control buoyancy and stability * Ballast weights, metallic plates used to bring auto racing vehicles up to the minimum mandated weight *… … Wikipedia
Track (rail transport) — Permanent way redirects here. For other uses, see Permanent way (disambiguation). Twin rail tracks in a wooded area … Wikipedia
Ballast tamper — A ballast tamper or tamping machine is a machine used to pack (or tamp) the track ballast under railway tracks to make the tracks more durable. Prior to the introduction of mechanical tampers, this task was done by manual labour with the help of… … Wikipedia
Ballast regulator — A ballast regulator is a piece of rail transport maintenance of way equipment used to shape and distribute the gravel track ballast that supports the ties in rail tracks. [cite web url=http://www.robl.w1.com/pix rrc/I 031019.htm title=Ernest H.… … Wikipedia
Track transition curve — The red Euler spiral is an example of an easement curve between a blue straight line and a circular arc, shown in green … Wikipedia
Ballast cleaner — A ballast cleaner is a railway machine that specialises in cleaning the railway track ballast (gravel, blue stone or other aggregate) of impurities. External links [http://www.grandadsez.co.uk/railways/ballast cleaners.html] Technical Information … Wikipedia
ballast — ► NOUN 1) a heavy substance carried by a ship or hot air balloon to keep it stable. 2) gravel or coarse stone used to form the base of a railway track or road. 3) a passive component used in an electric circuit to moderate changes in current.… … English terms dictionary
Track bed — A track bed is the term used to describe the groundwork onto which a railway track is laid. Trackbeds of disused railways are sometimes used for recreational paths or new light rail links.According to Network Rail, the trackbed is the layers of… … Wikipedia
Track circuit — A track circuit is a simple electrical device used to detect the presence or absence of a train on rail tracks, used to inform signallers and control relevant signals. Principles and operation The basic principle behind the track circuit lies in… … Wikipedia
ballast — 1. noun /ˈbæl.əst/ a) Heavy material that is placed in the hold of a ship (or in the gondola of a balloon), to provide stability. b) Anything that steadies … Wiktionary
