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Splayed opening
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<h2 id="splayed-arch">Splayed arch</h2> <p>A splayed arch (also sluing arch<a class="footnote-ref" id="fnref:3" href="#fn:3"><sup>3</sup></a>) is an <a href="/facts/Arch/t9L51pqn">arch</a> where the <a href="/facts/Springing/rB7B6g0G">springings</a> are not parallel ("splayed"), causing an opening on the exterior side of an arch to be different (usually wider) than the interior one. The <a href="/facts/Intrados/t9L51pqn">intrados</a> of a splayed arch is not generally <a href="/facts/Cylindrical/0wQPPr3k">cylindrical</a> as it is for typical (<a href="/facts/Round_arch/t9L51pqn">round</a>) arch, but has a <a href="/facts/Conical/2c9GIzYD">conical</a> shape.<a class="footnote-ref" id="fnref:4" href="#fn:4"><sup>4</sup></a><a class="footnote-ref" id="fnref:5" href="#fn:5"><sup>5</sup></a> </p><p>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<a class="footnote-ref" id="fnref:6" href="#fn:6"><sup>6</sup></a> (the use of the term "ox horn" should not be confused with <a href="/facts/French_language/qe1DnaQh">French</a>: <i>corne de vache</i>, "<a href="/facts/Cow%2527s_horn_(architecture)/JyrYFhd4">cow's horn</a>" — a design technique that was used for <a href="/facts/Skew_arch/JyrYFhd4">skew arch</a> profiles). </p> <h2 id="double-splayed-window">Double-splayed window</h2> <p>Double-splayed windows, widening towards both wall faces, with the narrowest part in the middle of a wall, are common in the <a href="/facts/Anglo-Saxon_architecture/D6zutlFr">Anglo-Saxon architecture</a>, although the use of this trait for dating is questionable,<a class="footnote-ref" id="fnref:7" href="#fn:7"><sup>7</sup></a> and English church buildings of the 12th century have such windows too.<a class="footnote-ref" id="fnref:8" href="#fn:8"><sup>8</sup></a> </p> <h2 id="portals">Portals</h2> <p class="note">See also: <a href="/facts/Voussure/wXnVSd28">Voussure</a></p> <p>Widely splayed portals (also splayed jambs, as opposed to un-splayed "square jambs") were used in the <a href="/facts/Gothic_architecture/uhvWpQ2r">Gothic architecture</a> to display sculpture on the western facades of churches.<a class="footnote-ref" id="fnref:9" href="#fn:9"><sup>9</sup></a> </p> <h2 id="see-also">See also</h2> <ul><li><a href="/facts/Hagioscope/WzXEuww3">Hagioscope</a>, a splayed opening for observation</li> <li><a href="/facts/Squinch/PVNMjzJh">Squinch</a>, a conical-shaped vault spanning the inner corner between two walls.</li></ul> <h2 id="sources">Sources</h2> <ul><li>Blair, John (2005). <a href="https://books.google.com/books?id=eyQSDAAAQBAJ&pg=PA412"><i>The Church in Anglo-Saxon Society</i></a>. EBSCO ebook academic collection. OUP Oxford. <a href="/facts/ISBN_(identifier)/15AdSPa9">ISBN</a> 978-0-19-822695-6. Retrieved 2024-12-16.</li> <li>Calvo-López, José (2020). "Arches". <i>Stereotomy</i>. Vol. 4. Cham: Springer International Publishing. pp. 265–329. <a href="/facts/Doi_(identifier)/muM9Etpq">doi</a>:<a href="https://doi.org/10.1007%2F978-3-030-43218-8_6">10.1007/978-3-030-43218-8_6</a>. <a href="/facts/ISBN_(identifier)/15AdSPa9">ISBN</a> 978-3-030-43217-1.</li> <li>Curl, J.S.; Wilson, S. (2015). <a href="https://books.google.com/books?id=4Lu6BwAAQBAJ&pg=PA630">"reveal, revel"</a>. <i>The Oxford Dictionary of Architecture</i>. Oxford Paperback Reference. Oxford University Press. <a href="/facts/ISBN_(identifier)/15AdSPa9">ISBN</a> 978-0-19-967498-5. Retrieved 2025-03-09.</li> <li>Gem, R. (1984). <a href="https://books.google.com/books?id=am1P5hSs1RkC&pg=PA243">"An Early Church of the Knights Templars at Shipley, Sussex"</a>. In Brown, R.A. (ed.). <i>Anglo-Norman Studies VI: Proceedings of the Battle Conference 1983</i>. Anglo-Norman Studies VI: Proceedings Of The Battle Conference 1983. Boydell Press. pp. 238–246. <a href="/facts/ISBN_(identifier)/15AdSPa9">ISBN</a> 978-0-85115-197-7. Retrieved 2024-12-16.</li> <li>Lepage, J.D. (2023). <a href="https://books.google.com/books?id=twatEAAAQBAJ&pg=PT541">"Splayed opening"</a>. <i>Dictionary of Fortifications: An Illustrated Glossary of Castles, Forts, & Other Defensive Works from Antiquity to the Present Day</i>. Pen & Sword Books. <a href="/facts/ISBN_(identifier)/15AdSPa9">ISBN</a> 978-1-3990-7225-0. Retrieved 2024-12-15.</li> <li>Moore, Charles Herbert (1890). <a href="https://books.google.com/books?id=52lmn-LoiEUC&pg=PA259"><i>Development & Character of Gothic Architecture</i></a>. Macmillan. Retrieved 2025-03-09.</li> <li><a href="https://books.google.com/books?id=jIWr0IO9dYIC&pg=PA733">"splayed arch"</a>. <i>A Dictionary of Architecture and Landscape Architecture</i>. Oxford. <a href="/facts/ISBN_(identifier)/15AdSPa9">ISBN</a> 978-0-19-860678-9. Retrieved 2024-12-15.</li></ul> <h2 id="references">References</h2> <ol> <li id="fn:1"><p>Curl & Wilson 2015, p. 630. - Curl, J.S.; Wilson, S. (2015). "reveal, revel". The Oxford Dictionary of Architecture. Oxford Paperback Reference. Oxford University Press. ISBN 978-0-19-967498-5. Retrieved 2025-03-09. <a href="https://books.google.com/books?id=4Lu6BwAAQBAJ&pg=PA630" target="_blank">https://books.google.com/books?id=4Lu6BwAAQBAJ&pg=PA630</a> <a href="#fnref:1" class="footnote-back-ref">↩</a></p></li> <li id="fn:2"><p>Lepage 2023, p. 541. - Lepage, J.D. (2023). "Splayed opening". Dictionary of Fortifications: An Illustrated Glossary of Castles, Forts, & Other Defensive Works from Antiquity to the Present Day. Pen & Sword Books. ISBN 978-1-3990-7225-0. Retrieved 2024-12-15. <a href="https://books.google.com/books?id=twatEAAAQBAJ&pg=PT541" target="_blank">https://books.google.com/books?id=twatEAAAQBAJ&pg=PT541</a> <a href="#fnref:2" class="footnote-back-ref">↩</a></p></li> <li id="fn:3"><p>"sluing arch". Merriam-Webster.com Dictionary. Merriam-Webster. <a href="https://www.merriam-webster.com/dictionary/sluing%20arch" target="_blank">https://www.merriam-webster.com/dictionary/sluing%20arch</a> <a href="#fnref:3" class="footnote-back-ref">↩</a></p></li> <li id="fn:4"><p>Calvo-López 2020, p. 265. - Calvo-López, José (2020). "Arches". Stereotomy. Vol. 4. Cham: Springer International Publishing. pp. 265–329. doi:10.1007/978-3-030-43218-8_6. ISBN 978-3-030-43217-1. <a href="https://doi.org/10.1007%2F978-3-030-43218-8_6" target="_blank">https://doi.org/10.1007%2F978-3-030-43218-8_6</a> <a href="#fnref:4" class="footnote-back-ref">↩</a></p></li> <li id="fn:5"><p>A Dictionary of Architecture and Landscape Architecture, p. 733. - "splayed arch". A Dictionary of Architecture and Landscape Architecture. Oxford. ISBN 978-0-19-860678-9. Retrieved 2024-12-15. <a href="https://books.google.com/books?id=jIWr0IO9dYIC&pg=PA733" target="_blank">https://books.google.com/books?id=jIWr0IO9dYIC&pg=PA733</a> <a href="#fnref:5" class="footnote-back-ref">↩</a></p></li> <li id="fn:6"><p>Calvo-López 2020, p. 265. - Calvo-López, José (2020). "Arches". Stereotomy. Vol. 4. Cham: Springer International Publishing. pp. 265–329. doi:10.1007/978-3-030-43218-8_6. ISBN 978-3-030-43217-1. <a href="https://doi.org/10.1007%2F978-3-030-43218-8_6" target="_blank">https://doi.org/10.1007%2F978-3-030-43218-8_6</a> <a href="#fnref:6" class="footnote-back-ref">↩</a></p></li> <li id="fn:7"><p>Blair 2005, p. 412. - Blair, John (2005). The Church in Anglo-Saxon Society. EBSCO ebook academic collection. OUP Oxford. ISBN 978-0-19-822695-6. Retrieved 2024-12-16. <a href="https://books.google.com/books?id=eyQSDAAAQBAJ&pg=PA412" target="_blank">https://books.google.com/books?id=eyQSDAAAQBAJ&pg=PA412</a> <a href="#fnref:7" class="footnote-back-ref">↩</a></p></li> <li id="fn:8"><p>Gem 1984, p. 243. - Gem, R. (1984). "An Early Church of the Knights Templars at Shipley, Sussex". In Brown, R.A. (ed.). Anglo-Norman Studies VI: Proceedings of the Battle Conference 1983. Anglo-Norman Studies VI: Proceedings Of The Battle Conference 1983. Boydell Press. pp. 238–246. ISBN 978-0-85115-197-7. Retrieved 2024-12-16. <a href="https://books.google.com/books?id=am1P5hSs1RkC&pg=PA243" target="_blank">https://books.google.com/books?id=am1P5hSs1RkC&pg=PA243</a> <a href="#fnref:8" class="footnote-back-ref">↩</a></p></li> <li id="fn:9"><p>Moore 1890, p. 259. - Moore, Charles Herbert (1890). Development & Character of Gothic Architecture. Macmillan. Retrieved 2025-03-09. <a href="https://books.google.com/books?id=52lmn-LoiEUC&pg=PA259" target="_blank">https://books.google.com/books?id=52lmn-LoiEUC&pg=PA259</a> <a href="#fnref:9" class="footnote-back-ref">↩</a></p></li> </ol>