Guide bars, or guiding bars
Guide bar
/ref> are rubber-tyred metro
A rubber-tyred metro or rubber-tired metro is a form of rapid transit system that uses a mix of road transport, road and rail transport, rail technology. The vehicles have wheels with rubber tires that run on a roll way inside guide bars for tr ...
systems that incorporate track. They have angle irons as outside of the two roll ways.
The Busan Subway Line 4 lacks a rail track, and has I-beam
An I-beam is any of various structural members with an - (serif capital letter 'I') or H-shaped cross section (geometry), cross-section. Technical terms for similar items include H-beam, I-profile, universal column (UC), w-beam (for "wide flang ...
s installed as guide bars.
The flange
A flange is a protruded ridge, lip or rim (wheel), rim, either external or internal, that serves to increase shear strength, strength (as the flange of a steel beam (structure), beam such as an I-beam or a T-beam); for easy attachment/transfer o ...
s are vertical. The Sapporo Municipal Subway, that lacks a rail track as well, has no guide bars. It has a central guide rail instead. Guide bars are also used to provide guidance for guided buses
Guided buses are buses capable of being steered by external means, usually on a dedicated track or roll way that excludes other traffic, permitting the maintenance of schedules even during rush hours. Unlike railbuses, trolleybuses or r ...
.
Gallery
See also
* Automated guideway transit
An automated guideway transit (AGT) or automated fixed-guideway transit or automatic guideway transit system is a type of fixed guideway transit infrastructure with a riding or suspension track that supports and physically guides one or more dri ...
* Bracket
A bracket is either of two tall fore- or back-facing punctuation marks commonly used to isolate a segment of text or data from its surroundings. They come in four main pairs of shapes, as given in the box to the right, which also gives their n ...
* chainsaw
A chainsaw (or chain saw) is a portable handheld power saw, power saw that cuts with a set of teeth attached to a rotating chain driven along a guide bar.
Modern chainsaws are typically gasoline or electric and are used in activities such as t ...
* Flangeways
* Fourth rail
* Guide rail
A guide rail is a device or mechanism to direct products, vehicles or other objects through a channel, conveyor, roadway or rail system.
Several types of guide rails exist and may be associated with:
* Factory or production line conveyors
* Pow ...
* Overhead conductor rail
* Rail profile
The rail profile is the cross-sectional shape of a Railway track#Rail, rail as installed on a railway or railroad, perpendicular to its length.
Early rails were made of wood, cast iron or wrought iron. All modern rails are hot rolled steel ...
* Roll way
* Rail track
* The technology of rubber-tyred metros
* Third rail
A third rail, also known as a live rail, electric rail or conductor rail, is a method of providing electric power to a railway locomotive or train, through a semi-continuous rigid conductor placed alongside or between the rails of a track (r ...
References
External links
Visual dictionary
*
Rubber-tyred metros
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