Gorge (fortification)

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A gorge in field fortification is the "unexposed side of a fieldwork",[1] typically the rear of an independent fieldwork or detached outwork in front of the main fortress or defensive position.

## Outworks with open gorges

[edit]

Straith describes three commonly used classes of field work: "works open at the gorge, works enclosed all round and lines." He lists the following as works open at the gorge:[2]

* Redan
* Lunette
* Redan with flanks
* Double Redan
* Tenaille-head
* Bastion-head

Closed works are the redoubt, star fort and bastioned fort.[2]

Gorges of 'half-closed works' were usually closed either by a parapet or stockade.[3]

## References

[edit]

1. ^ Royal Military Academy, Woolwich 1878, p. 70.
2. ^ a b Straith 1850, p. 7.
3. ^ Royal Military Academy, Woolwich 1878, p. 71.

## Literature

[edit]

* Text Book of Fortification and Military Engineering: For Use at the Royal Military Academy, Woolwich. Part 1. Text Book of Fortification and Military Engineering: For Use at the Royal Military Academy, Woolwich. London: H.M. Stationery Office. 1878.
* Neumann, Hartwig (1994). Festungsbaukunst und Festungsbautechnik Deutsche Wehrbauarchitektur vom XV. bis XX. Jahrhundert ; mit einer Bibliographie deutschsprachiger Publikationen über Festungsforschung und Festungsnutzung 1945 - 1987. Architectura militaris (in German). Bonn: Bernard und Graefe. ISBN 3-7637-5929-8. OCLC 632419861.
* Straith, Hector (1850). Treatise on Fortification and Artillery. Treatise on Fortification and Artillery (5th ed.). London: W. Allen. ISBN 978-1-906394-24-0.

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Fortifications

Ancient|

* Abatis
* Acropolis
* Agger
* Broch
* Burgus
* Castellum
* Castra
* Castros
* Chengqiang
* Circular rampart
* City gate
* Crannog
* Ditch
* Defensive wall
* Dun
* Faussebraye
* Gatehouse
* Gord
* Hillfort
* Landwehr
* Limes
* Nuraghe
* Oppidum
* Palisade
* Pincer gate
* Promontory fort
* Rampart
* Ringfort (Rath)
* Refuge castle
* Schwedenschanze
* Stockade
* Sudis
* Trou de loup
* Vallum
* Wagon fort (Laager)
* Vitrified fort

Post-classical|

* Advanced work
* Albarrana tower
* Alcazaba
* Alcázar
* Amba
* Arrowslit
* Barbican
* Bartizan
* Bastion
* Battery tower
* Battlement
* Bawn
* Bent entrance
* Bergfried
* Berm
* Boom
* Bretèche
* Bridge castle
* Bridge tower
* Burh
* Butter-churn tower
* Caer
* Caltrop
* Castle
* Chamber gate
* Chartaque
* Chashi
* Chemin de ronde
* Chemise
* Cheval de frise
* Citadel
* Coercion castle
* Concentric castle
* Corner tower
* Counter-castle
* Curtain
* Drawbridge
* Enceinte
* Embrasure
* Flanking tower
* Fortified buildings (church, house, Dzong)
* Fujian tulou
* Ganerbenburg
* Gate tower
* Gabion
* Glacis
* Guard tower
* Gulyay-gorod
* Gusuku
* Half tower
* Hoarding
* Inner bailey
* Kasbah
* Keep
* Kremlin (Detinets)
* Ksar
* Landesburg
* L-plan castle
* Machicolation
* Merlon
* Moat
* Motte-and-bailey
* Murder hole
* Neck ditch
* Outer bailey
* Outwork
* Peel tower
* Portcullis
* Postern
* Powder tower
* Qalat
* Reduit
* Ribat
* Ricetto
* Ringwork
* Roundel
* Quadrangular castle
* Shell keep
* Shield wall
* Shiro
* Toll castle
* Tower castle
* Tower house
* Turret
* Viking ring fortress
* Wall tower
* Bailey (or ward)
* Watchtower
* Witch tower
* Yagura
* Yett
* Zwinger

Modern|

| Early modern|

* Abwurfdach
* Arsenal
* Barricade
* Bastion
* Blockhouse
* Breastwork
* Canal
* Caponier
* Casemate
* Cavalier
* Counterguard
* Couvreface
* Coupure
* Covertway
* Crownwork
* Device Forts
* Entrenchment
* Flèche
* Gorge
* Gunpowder magazine
* Hornwork
* Kotta mara
* Lunette
* Magazine
* Orillon
* Ostrog
* Palanka
* Place-of-arms
* Polygonal fort
* Presidio (Spanish America)
* Punji sticks
* Ravelin
* Redan
* Redoubt
* Retrenchment
* Sally port
* Sandbag
* Scarp and Counterscarp
* Sconce
* Schanze
* Sea fort
* Station
* Star fort
* Tenaille

|

19th century|

* Barbed wire
* Barbette
* Border outpost
* Bunker
* Coastal artillery
* Disappearing gun
* Fire control tower
* Gun turret
* Land mine
* Martello tower
* Outpost
* Polygonal fort
* Sangar
* Wire obstacles

20th century|

* Admiralty scaffolding
* Air raid shelter
* Anti-tank trench
* Barbed tape
* Belgian gate
* Blast shelter
* Blast wall
* Border security
* Bomb shelter
* Buoy
* Bremer wall
* Concertina wire
* Defensive fighting position
* British "hedgehog" road block
* Czech hedgehog
* Dragon's teeth
* Entry control point (ECP)
* Electric fence
* Fallout shelter
* Fire support base
* Flak tower
* Hardened aircraft shelter
* Hesco bastion
* Kabal
* Loophole
* Main line of resistance
* Missile launch facility
* Pillbox
* Revetment
* Sentry gun
* Spider hole
* Submarine pen
* Underground hangar
* Weapon storage area
* Weapons Storage and Security System

By topography|

* Cave castle
* Hill castle
* Hillfort
* Hillside castle
* Hilltop castle
* Island castle
* Lowland castle
* Marsh castle
* Moated castle
* Promontory fort
* Ridge castle
* Rocca
* Rock castle
* Spur castle
* Water castle
* Floating water castle

By role|

* Border barrier
* Coastal defence
* Coercion castle
* Counter-castle
* Fence
* Ganerbenburg
* Hunting lodge
* Imperial castle
* Kaiserpfalz
* Landesburg
* Lustschloss
* Military base
* Obstacle
* Ordensburg
* Refuge castle
* Toll castle
* Urban castle

By design|

* Bastion fort
* Bridge castle
* Circular rampart
* Concentric castle
* L-plan castle
* Motte-and-bailey castle
* Quadrangular castle
* Ringfort
* Ringwork
* Tower castle
* Z-plan castle

Lists|

* Bastion forts
* Castles
* Cities with defensive walls
* Defense line
* Fortified estate
* Fortifications
* Forts
* Military installations
* Walls

Related word|

* Castle town
* Château
* Dungeon
* Festung
* Fortified gateway
* Gatekeeper
* Loophole
* National redoubt
* Palas
* Picket
* Schloss
* Trench
* Vedette

Other topics|

* Civil defense
* Continuity of government
* Military urbanism
* Subterranean warfare
* Siege
* Siege engine
* list
* Tunnel warfare
* Trench warfare
* Urban warfare
* Guerrilla

* See also:  Category

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