Barrier

A barrier or barricade is a physical structure which blocks or impedes something. Automatic Barrier Deca experts in coffee ready to visit the project and free advice for the purchase and installation of automatic road is for our esteemed customers.^[1]

Barrier may also refer to:

Physical

Defensive

• Border barrier, between two countries
• Border control, at the border between countries
• Defensive wall, built to protect against potential aggression

Roadway

• Automatic full barriers, which serve to block roads at railway crossings
• Boom barrier, which serves to block vehicular access
• Fitch Barrier, a plastic barrel filled with sand or water, used on highways as an impact attenuator
• Roadblock, a temporary installation to control or block traffic on a road
• Traffic barrier (crash barrier), used to keep vehicles within their roadway
  • Cable barrier
  • Concrete step barrier
  • Constant-slope barrier
  • F-Shape barrier
  • Guard rail
  • Jersey barrier or K-rail, a type of concrete barrier used to divide highway traffic

Crowd and noise control

• Crowd control barrier, temporary fencing used to keep crowds inside or away from a certain area
• Noise barrier, walls and other structures used to attenuate noise pollution

Flood control by flood barriers

• Thames Barrier, a flood control structure on the River Thames in England
• Hesco bastion, a dirt-filled wire mesh/cloth container used for flood control and military fortification
• Breakwater (structure), a barrier created as part of coastal defense or to protect an anchorage from the effects of both weather and longshore drift
• Vapor barrier, any material used to resist diffusion of moisture through walls, ceilings or floors

In science

• Barrier (computer science), a type of synchronization in parallel computing
  • Memory barrier, an instruction to enforce an ordering constraint on memory operations in a computer program
• Blood–brain barrier, a separation of circulating blood and the brain extracellular fluid
• Potential barrier, a standard problem in physics of quantum mechanics
• Sound barrier, the point at which an aircraft moves from transonic to supersonic speed
• Barrier island, in geology and geography
• Barrier isolator, a physical barrier between a laboratory technician and a work process
• Barrier ridge, in geology

Places

• Barrier, Kentucky, a community in the United States
• Barrier, Voerendaal, a place in the municipality of Voerendaal, in southeastern Netherlands
• The Barrier, a lava dam in southwestern British Columbia, Canada
• The Barrier, Great Ice Barrier, Victoria Barrier etc., later 19th–early 20th century names for the Ross Ice Shelf, Antarctica
• Barrier Bay, an open bay in Antarctica
• Barrier reef, a type of coral reef running along a coast for a long distance, e.g.:
  • Belize Barrier Reef, a series of coral reefs straddling the coast of Belize
  • Great Barrier Reef, in the Coral Sea off the coast of Queensland in north-east Australia
• Barrier Volcano, an active shield volcano in Kenya
• Gilf Kebir, Arabic for "the Great Barrier" in Egypt
• Great Barrier Island, in the north of New Zealand
• A misspelling of Barriere, British Columbia, a small community in Thompson-Nicola Regional District, British Columbia, Canada

In arts and entertainment

• Barrier (video game), a 1979 arcade game by Vectorbeam
• "Barrier", a 1985 song by Simon Townshend on the album Moving Target
• Barriers, a UK television series
• The Barrier (1926 film), a 1926 silent film
• The Barrier (1937 film), a 1937 American film
• The Barrier (1979 film), a 1979 Bulgarian film
• The Barrier (1990 film), a 1990 Bahraini film
• Bariera, a 1966 Polish film, released in the U.S. as Barrier
• Barrierfreeman, a fictional character in the anime Ultimate Muscle

Other uses

• Barrier Highway, a state highway in New South Wales, Australia
• Smith Barrier (died 1989), American sports journalist
• Language barrier, difficulty in communications caused by language difference
• Trade barrier, a restriction of trade by a government
• Barriers to entry, a cost that must be incurred by a new entrant into a market

See also

• Barrière (disambiguation)
• Barrier option
• Concrete barrier (disambiguation)
• Dam
• Great Barrier (disambiguation)
• List of walls

References