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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; Power tools, such as table saws; Elevator or lift shafts
Guide bars, or guiding bars [1] are rubber-tyred metro systems that incorporate 1,435 mm (4 ft 8 + 1 ⁄ 2 in) standard gauge track. They have angle irons as outside of the two roll ways . The Busan Subway Line 4 lacks a rail track , and has I-beams installed as guide bars.
Traffic barrier with a pedestrian guardrail behind it. Traffic barriers (known in North America as guardrails or guard rails, [1] in Britain as crash barriers, [2] and in auto racing as Armco barriers [3]) keep vehicles within their roadway and prevent them from colliding with dangerous obstacles such as boulders, sign supports, trees, bridge abutments, buildings, walls, and large storm drains ...
Jersey barriers on the road. A Jersey barrier, Jersey wall, or Jersey bump is a modular concrete or plastic barrier employed to separate lanes of traffic.It is designed to minimize vehicle damage in cases of incidental contact while still preventing vehicle crossovers resulting in a likely head-on collision.
Rigid barriers such as concrete and semi-rigid barriers such as steel guardrail, exhibit impact deflections of 0 to 4 ft (1.2 metres), respectively. [1] Flexible systems such as cable barriers deflect between 8 and 12 ft (2.4 and 3.7 metres) upon impact.
Staircase railings in the Degré du roi, part of the Petit appartement du roi, in the Palace of Versailles, Versailles, France. Guard rails, guardrails, railings or protective guarding, [1] in general, are a boundary feature and may be a means to prevent or deter access to dangerous or off-limits areas while allowing light and visibility in a greater way than a fence.
The concrete step barrier in the under construction M8 motorway in Ireland (August 2008) With effect from January 2005 and based primarily on safety grounds, the UK National Highways policy is that all new motorway schemes are to use high-containment concrete barriers in the central reserve. All existing motorways will introduce concrete ...
Oval tracks typically were constructed with reinforced concrete walls around the entire perimeter of the track (and along all or parts of the inside perimeters). The high speeds of oval track racing required strong walls to prevent cars from leaving the racing surface and protect spectators alike, primarily due to centrifugal force .