Diaphragm arch

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Diaphragm arch, South East Tower, Beaumaris Castle

A diaphragm arch is a transverse wall-bearing arch forming a partial wall dividing a vault or a ceiling into compartments.[1]

When used under a wooden roof, it has the advantage of providing a partial firebreak.[2] It was first used in Roman Syria, during the 2nd century AD.[3]

References[edit]

  1. ^ Technical Terms and the Understanding of English Medieval Architecture" E. C. Fernie, Architectural History Vol. 44, (2001), pp. 13-21 [1]
  2. ^ Architecture in Britain: the Middle Ages, Volume 12, p. 210
  3. ^ Arte medievale, 1987