Splayed opening#Splayed arch

File:Splayed arch rabattment.png drawing of a symmetrical splayed arch wall opening by {{ill|Ginés Martínez de Aranda|es}} ({{circa|1600}}). B and D are the faces of the wall (plan view), also used as folding lines. A and C are elevations of the arch faces.]]

File:Ox horn arch rabattment.png on elevations. Curve E is the C as observed from the A side (visible due to the splay). The space between A and E is the portion of intrados visible from the A side. The arch got its name from the shape of this space.]]

A splayed arch (also sluing arch{{MW|sluing arch}}) is an arch where the springings are not parallel ("splayed"), causing an opening on the exterior side of an arch to be different (usually wider) than the interior one. The intrados of a splayed arch is not generally cylindrical as it is for typical (round) arch, but has a conical shape.{{sfn|Calvo-López|2020|p=265}}{{sfn|A Dictionary of Architecture and Landscape Architecture|p=733}}

José Calvo-López, a Spanish scholar of architecture, subdivides the splayed arches into symmetrical (where both springers form the same angles with the faces of the wall), and the ox horn arches, where one springer is orthogonal to the wall, and another is not, creating a "warped" intrados{{sfn|Calvo-López|2020|p=265}} (the use of the term "ox horn" should not be confused with {{langx|fr|corne de vache}}, "cow's horn" — a design technique that was used for skew arch profiles).

File:Double Splayed Window.jpg

Double-splayed windows, widening towards both wall faces, with the narrowest part in the middle of a wall, are common in the Anglo-Saxon architecture, although the use of this trait for dating is questionable,{{sfn|Blair|2005|p=412}} and English church buildings of the 12th century have such windows too.{{sfn|Gem|1984|p=243}}

{{see also|Voussure}}

Widely splayed portals (also splayed jambs, as opposed to un-splayed "square jambs") were used in the Gothic architecture to display sculpture on the western facades of churches.{{sfn|Moore|1890|p=259}}

File:Bamberg Dom Fürstenportal 3087.jpg|Prince's portal at the Bamberg Cathedral

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• Hagioscope, a splayed opening for observation
• Squinch, a conical-shaped vault spanning the inner corner between two walls.

{{reflist}}

• {{cite book|last=Blair|first=John|title=The Church in Anglo-Saxon Society|publisher=OUP Oxford|series=EBSCO ebook academic collection|year=2005|isbn=978-0-19-822695-6|url=https://books.google.com/books?id=eyQSDAAAQBAJ&pg=PA412|access-date=2024-12-16}}
• {{cite book|last=Calvo-López|first=José|title=Stereotomy|chapter=Arches|publisher=Springer International Publishing|publication-place=Cham|volume=4|date=2020|isbn=978-3-030-43217-1|doi=10.1007/978-3-030-43218-8_6|pages=265–329}}
• {{cite book |last=Curl |first=J.S. |last2=Wilson |first2=S. |title=The Oxford Dictionary of Architecture |publisher=Oxford University Press |series=Oxford Paperback Reference |year=2015 |isbn=978-0-19-967498-5 |chapter-url=https://books.google.com/books?id=4Lu6BwAAQBAJ&pg=PA630 |access-date=2025-03-09 | chapter=reveal, revel}}
• {{cite book|editor-last=Brown|editor-first=R.A.|title=Anglo-Norman Studies VI: Proceedings of the Battle Conference 1983|publisher=Boydell Press|series=Anglo-Norman Studies VI: Proceedings Of The Battle Conference 1983|issue=v. 6|year=1984|isbn=978-0-85115-197-7|chapter-url=https://books.google.com/books?id=am1P5hSs1RkC&pg=PA243|chapter=An Early Church of the Knights Templars at Shipley, Sussex|first=R.|last=Gem|access-date=2024-12-16|pages=238-246}}
• {{cite book|last=Lepage|first=J.D.|title=Dictionary of Fortifications: An Illustrated Glossary of Castles, Forts, & Other Defensive Works from Antiquity to the Present Day|publisher=Pen & Sword Books|year=2023|isbn=978-1-3990-7225-0|chapter-url=https://books.google.com/books?id=twatEAAAQBAJ&pg=PT541|access-date=2024-12-15|chapter=Splayed opening}}
• {{cite book |title=Development & Character of Gothic Architecture |publisher=Macmillan |year=1890 |url=https://books.google.com/books?id=52lmn-LoiEUC&pg=PA259 |access-date=2025-03-09|first=Charles Herbert|last=Moore}}
• {{cite book|title=A Dictionary of Architecture and Landscape Architecture|isbn=978-0-19-860678-9|chapter-url=https://books.google.com/books?id=jIWr0IO9dYIC&pg=PA733|ref={{sfnref|A Dictionary of Architecture and Landscape Architecture}}|access-date=2024-12-15|publisher=Oxford|chapter=splayed arch}}

Category:Arches and vaults

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