Terreplein

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Surface of a rampart

title: "Terreplein" type: doc version: 1 created: 2026-02-28 author: "Wikipedia contributors" status: active scope: public tags: ["fortification-(architectural-elements)"] description: "Surface of a rampart" topic_path: "general/fortification-architectural-elements" source: "https://en.wikipedia.org/wiki/Terreplein" license: "CC BY-SA 4.0" wikipedia_page_id: 0 wikipedia_revision_id: 0

::summary Surface of a rampart ::

::figure[src="https://upload.wikimedia.org/wikipedia/commons/b/b9/Casemate.png" caption="The terreplain ('''''ab''''') on a [[casemate]]."] ::

::figure[src="https://upload.wikimedia.org/wikipedia/commons/7/7d/On_Parade_-_Fort_Glanville.jpg" caption="Fort Glanville."] ::

In fortification architecture, a terreplein or terre-plein is the top, platform, or horizontal surface of a rampart, on which cannon are placed, protected by a parapet. In Martello towers, the roof or terreplein was sometimes surmounted with one or two cannon mounted on a gun platform with a central pivot, that enabled the guns to traverse up to 360 degrees.

In civil engineering works, a terreplein is an embankment of earth with a broad level top, which is sometimes excavated to form a continuation of an elevated canal across a valley.

References

  1. ''Webster's International Dictionary of the English Language'', Vol 2, 1895
  2. 978-1-841768755 (p. 63)
  3. 978-1-84884-535-0 (pp. 37-38)

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fortification-(architectural-elements)