Diaphragm arch
A diaphragm arch is a transverse wall-bearing arch forming a partial wall dividing a vault or a ceiling into compartments.[1]
Diaphragm arch, South East Tower, Beaumaris Castle
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]
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See also
References
- Technical Terms and the Understanding of English Medieval Architecture" E. C. Fernie, Architectural History Vol. 44, (2001), pp. 13-21
- Architecture in Britain: the Middle Ages, Volume 12, p. 210
- Arte medievale, 1987
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