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A circular rampart (German: Ringwall) [1] is an embankment built in the shape of a circle that was used as part of the defences for a military fortification, hill fort or refuge, or was built for religious purposes or as a place of gathering. The period during which these structures were built ranged from the Neolithic to the Middle Ages.
Furthermore, a number of aspects of the generally circular nature of the ringfort highlight the defensive advantages, most notably that a circle as a shape "offered broad perspectives of approaching attackers and allowed the maximum area to be enclosed relative to the length of the bank constructed."
Traverse: an earthen embankment, the same height as the parapet, built across the terreplein to prevent it being swept by enfilade fire. Casemate: a vaulted chamber built inside the rampart for protected accommodation or storage, but sometimes pierced by an embrasure at the front for a gun to fire through.
A Viking ring fortress, Trelleborg-type fortress, or trelleborg (pl. trelleborgs), is a type of circular fort of a special design, built in Scandinavia during the Viking Age. These fortresses have a strictly circular shape, with roads and gates pointing in the four cardinal directions.
The Hussite wagenburg. A wagon fort, wagon fortress, wagenburg or corral, [1] often referred to as circling the wagons, is a temporary fortification made of wagons arranged into a rectangle, circle, or other shape and possibly joined with each other to produce an improvised military camp.
The profile of the fort became very low indeed, surrounded outside the ditch covered by caponiers by a gently sloping open area so as to eliminate possible cover for enemy forces, while the fort itself provided a minimal target for enemy fire. The entrypoint became a sunken gatehouse in the inner face of the ditch, reached by a curving ramp ...
The Biggs site (15Gp8), also known as the Portsmouth Earthworks Group D, is an Adena culture archaeological site located near South Shore in Greenup County, Kentucky.Biggs was originally a concentric circular embankment and ditch surrounding a central conical burial mound with a causeway crossing the ring and ditch.
He reiterated the exploit several times, once for over 239 hours in a fairy fort in Monamolin, County Wexford in June 1970. [14] In 2011, the financial ruin of Seán Quinn, formerly the richest person in Ireland, was blamed on his moving a fairy fort. [15] Some also believed the same about the financial downfall of John DeLorean. [4]