- ballast road bed
- щебёночное полотно дороги
Англо-русский словарь по машиностроению. 2014.
ballast road bed
Смотреть что такое "ballast road bed" в других словарях:
ballast — [ baləst] noun 1》 a heavy substance, such as gravel or lead, placed in the bilge of a ship to ensure its stability. ↘a substance carried in an airship or on a hot air balloon to stabilize it. 2》 gravel or coarse stone used to form the bed of… … English new terms dictionary
ballast — n. & v. n. 1 any heavy material placed in a ship or the car of a balloon etc. to secure stability. 2 coarse stone etc. used to form the bed of a railway track or road. 3 Electr. any device used to stabilize the current in a circuit. 4 anything… … Useful english dictionary
roadbed — road•bed [[t]ˈroʊdˌbɛd[/t]] n. 1) rai a) the bed or foundation for the track of a railroad b) the layer of ballast immediately beneath the ties of a railroad track 2) trs the material of which a road is composed • Etymology: 1830–40 … From formal English to slang
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
roadbed — /rohd bed /, n. 1. Railroads. a. the bed or foundation structure for the track of a railroad. b. the layer of ballast immediately beneath the ties of a railroad track. 2. the material of which a road is composed. [1830 40. Amer.; ROAD + BED] * *… … Universalium
Philadelphia and Western Railroad — A preserved Philadelphia and Western multiple unit passenger car at Penn s Landing in 1990. The Philadelphia and Western Railroad was a high speed, third rail operated, commuter hauling interurban electric railroad operating in the western… … Wikipedia
Track (rail transport) — Permanent way redirects here. For other uses, see Permanent way (disambiguation). Twin rail tracks in a wooded area … 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
environment — environmental, adj. environmentally, adv. /en vuy reuhn meuhnt, vuy euhrn /, n. 1. the aggregate of surrounding things, conditions, or influences; surroundings; milieu. 2. Ecol. the air, water, minerals, organisms, and all other external factors… … Universalium
Neath and Tennant Canal — The exit from Clun Isaf lock, restored in 2007 Original owner Neath Canal Nav Co, Port Tennant Nav Co Principal engineer … Wikipedia
railroad — /rayl rohd /, n. 1. a permanent road laid with rails, commonly in one or more pairs of continuous lines forming a track or tracks, on which locomotives and cars are run for the transportation of passengers, freight, and mail. 2. an entire system… … Universalium
