Ventilation shaft

Short description: Vertical passages used to move air underground

For the device used in manufacturing processes, see airshaft.

Chipping Sodbury Tunnel ventilation shaft Swan St. ventilation shaft on the Burnley Tunnel Ventilation shafts of the Velser tunnel, the Netherlands

In subterranean civil engineering, ventilation shafts, also known as airshafts or vent shafts, are vertical passages used in mines and tunnels to move fresh air underground, and to remove stale air.[1]

Airshaft/lightwell in a building in Lombardy, Italy

In architecture, an airshaft, also known as a lightwell, is typically a small, vertical space within a tall building which permits ventilation of the building's interior spaces to the outside.[2] The floor plan of a building with an airshaft is often described as a "square donut" shape. Alternatively, an airshaft may be formed between two adjacent buildings. Windows on the interior side of the donut allow air from the building to be exhausted into the shaft, and, depending on the height and width of the shaft, may also allow extra sunlight inside.

## See also

* Ventilation (architecture)
* Stack effect
* Underground mine ventilation
* Courtyard
* Lightwell
* Skylight
* Atrium (architecture)

## References

1. ↑ "What Is a Ventilation Shaft? (with pictures)" (in en-US). http://www.aboutmechanics.com/what-is-a-ventilation-shaft.htm.
2. ↑ Majid, Roshida Binti Abdul; Alsolami, Badr M.; Kurban, A. (2020). "Residents' Perception Of Meenware Design In Residential Buildings In Saudi Arabia" (in en). http://www.ijstr.org/final-print/apr2020/Residents-Perception-Of-Meenware-Design-In-Residential-Buildings-In-Saudi-Arabia.pdf.

## External links

* Design and construction of a surface air cooling and refrigeration installation at a South African mine , a paper presented at the North American Mine Ventilation Symposium 2008

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Man-made and man-related Subterranea

Natural features|

* Cave
* Cenote
* Grotto
* Sinkhole

Civilian features|

* Basement
* Burial vault (tomb)
* Borehole
* Catacombs
* Dungeon
* Dugout (shelter)
* Dry well
* Earth shelter
* Erdstall
* Fogou
* Hypogeum
* Manhole
* Rapid transit
* Rock-cut tomb
* Root cellar
* Tunnel
* Utility vault
* Underground city
* Well
* Wine cave
* Secret passage
* Semi-basement
* Stepwell
* Storm cellar
* Smuggling tunnel
* Ventilation shaft

Military features|

* Air raid shelter
* Bunker
* Blast shelter
* Casemate
* Fallout shelter
* Missile launch facility (silo)
* Underground base
* Underground hangar
* Spider hole

Mining, quarrying, and underground construction|

* Rock-cut architecture
* Subsurface utility engineering
* Tunnel construction
* Underground mine ventilation
* Underground mining (hard rock)
* Underground mining (soft rock)

Related topics|

* Cave dweller
* Caves of Maastricht
* Civil defense
* Coober Pedy
* Houston tunnel system
* Kőbánya cellar system
* Tunnel warfare
* Tunnel network
* Trench warfare
* Underground living
* Underground City (Beijing)
* Underground City, Montreal
* Mine exploration
* Mines of Paris
* Mole people
* Naples underground geothermal zone
* Sapping
* Subterranean London
* Subterranean Toledo
* Subterranean warfare
* Subterranean fiction

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