russian-english railway glossary

8/13/2019 Russian-English Railway Glossary

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draft design

railway

PANEVO - Vracsection

Railway gauge

engineering design

trunk railway

railroad bed .

subgrade

track

Railroad tie

Rail fastening system

rail

background documentation

layout plan

longitudinal profile

cross profile

KrnjaaOVAOverpass

Panevotami riverparking plot

Sebe

communications

walkway

level crossing

bascule barrier

signaling systempassenger building

architectural design

signalling, centralization and blocking

shaft

platform

electric power installations

underpass

concrete structures

retaining wall

canopy

hydraulic engineering structuressteel truss

bridge pier

bridge abutment

culvert outlet

power supply lines

transformer substation

underground passage
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Overhead contact system (OCS):

rough terrain

railway bed

technical service station

railway junction

railway haul

automatic blocking

land allotment

SI DMI

braking distance

switch

branch line

Breastwork

information board

overtaking

dead end

entry / exit semaphore effective length

permissible length of the train

loading-unloading

trains are introduced on the track

car

split off

storage

freight trains

flyover

half-barriertravelling time

traffic capacity

volume of transport

VOLUME OF TRAFFIC

rail transport

rail traffic

modes of transport

turnover

switchman

substation

crossing from one line to anotherregulating station

continuous rail line

distribution of load

access track

open-line track
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canals, air, sea) that people use to trade or make
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ystem that delivers electric power from overhead wires totrolleybuses or rail vehicles oper ,


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GLOSSARY

Advance turn wire: A pair of trolleybus wires, leading to a diverging route, that runs parallel to the

main route wires.

Automatic rewiring: A system for raising and lowering trolley poles that allows trolleybus drivers

to perform these functions without leaving their seats.

Auxiliary power unit (APU): A source of power carried by a trolleybus that provides limited speed

and range for use in (1) emergencies, (2) infrequent moves, and (3) movement in servicing facilitiesThe power source may be batteries or a small internal combustion engine.

Backbone:The portion of a pulloff assembly that is roughly parallel to the contact wire. (See

Pulloff.)

Catenary:An assembly of overhead wires consisting of, at a minimum, a slack messenger wire

supporting vertical hangers that support a taut contact wire in a level profile.

Commutating insulation:Insulation between electrical sections where the current collector is in

momentary contact with both sections.

Constant-tension OCS: A means of compensating for variations in wire tensionresultingprimarily from temperatureby use of counterweights and sheaves to produce a constant force on

the wire.Counterweight:See Constant-tension OCS.

Crossover:In trolleybus OCS, the hardware assembly used for crossing two pairs of wires. The

equivalent component in rail trackwork is called a diamond.

Current control: A trolleybus or street railway switch control system in which switch position is se

by the amount of current being drawn by the vehicle as it passes under a contactor in the OCS.

Delta suspension:A type of OCS in which the contact wire is supported from span wires or mast

arms by an inverted V-shaped sling.

Dewirement:The accidental loss of contact between a trolley pole and the contact wire, requiring

driver intervention to restore power to the vehicle.

Directional control:A trolleybus switch control system in which switch position is set by thelead/lag of the two trolley poles resulting from bus position as the poles pass under a pair of

contactors in the OCS.

Direct suspension:A type of OCS in which the contact wire is directly attached to supporting span

wires or mast arms.

Dual-mode vehicle:A vehicle capable of operation both as a trolleybus and as a motor bus.

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Eyebolt:The component used to connect span wire directly to a building or bridge structural

member. A similar component is used for attachments to wood poles.

Feeder:A cable that carries current between a substation and intermediate point or points along a

rail or trolleybus route.Feed riser: The vertical part of a feeder cable system that connects underground and overhead

cables.

Feed tap:The wire connecting a feeder cable with the contact wire.

Frog:The fitting used to direct the trolley pole in the appropriate direction at a diverging point in t

OCS.

Grand union:In trolleybus or street railway systems, the intersection of 2 two-way routes where al

eight possible turn movements are installed. If turns are installed in only two or three of the four


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quadrants, then the intersection is called a or grand union.Headway:The scheduled time between vehicles on a transit route.

Inductive control: A trolleybus switch control system in which switch position is set by a signal

transmitted from the bus to an antenna attached to the contact wire.

Joint use: The process of securing agreements among several agencies to combine different uses

such as OCS, street lighting, traffic signals, and utility lines onto one set of poles.

Jumper:A piece of wire used to provide an electrical connection between OCS elements.Light rail:A rail transit system that is not fully grade separated and uses equipment that is smaller

than standard railroad equipment. It is usually operated with electrically powered single cars or sho

trains.

Mast arm: An arm or arm assembly used to support contact wire or catenary from a pole.

Messenger wire: See Catenary.

Nonrevenue wire: Wire in a trolleybus system not used in regular passenger service, including

garage access wire, emergency wire, and wire used to turn buses.

Overhead contact system (OCS):A system that delivers electric power from overhead wires to

trolleybuses or rail vehicles operating beneath the wires.

Pantograph:A device mounted on the roof of a rail vehicle consisting of spring-loaded hinged armsthat press a wide, flat collector shoe against an overhead contact wire.

Pendulum suspension:A form of trolleybus OCS in which the contact wire is supported by parallel

arms that are free to move laterally.

Pulloff:Wire or wires connecting support structures with contact wire or catenary that aligns the

OCS on curves.

Shoe: The contact surface of a pantograph or trolley pole. It is usually made of a carbon material an

is designed to be a readily renewable component, reducing wear on the OCS.

Span wire:Wire used to connect contact wire or catenary to support structures such as poles or

eyebolts.Special work:The hardware used to construct intersections or turns, including switches, crossover

and curve hardware in trolleybus OCS. In rail trackwork, these assemblies are called turnouts and

diamonds.

Streetscape: The on-street environment perceived by pedestrians. This includes buildings, street

furniture, roadways, sidewalks, trees, and all related details.

Street furniture:A generic term used to describe streetscape elements such as phone booths,

planters, benches, and trees.

Switch: The hardware assembly used to connect diverging or converging pairs of trolleybus wires.

The equivalent assembly in rail trackwork is called a turnout.

Trolleybus:A mass transit vehicle that draws power from electrical overhead wires but operates orubber-tired wheels just as a standard transit bus does.

Trolley pole: A pivoting tubular arm attached to a spring device mounted on the roof of a trolleybu

or rail vehicle that presses a grooved contact shoe against an overhead contact wire.

Wire centerline: An imaginary line exactly centered between the positive and negative wires of

trolleybus OCSs.

Wye:In trolleybus or street railway systems, a diverging point in a two-way route where all four

possible turn movements are installed. If the diverging route is one way, the intersection is called a


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russian-english railway glossary

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