Triangular arch: Difference between revisions

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{{under construction}}

[[File:Refugi pedra Tales.jpg|thumb|Triangular arch made of two stone slabs]]

In [[architecture]], a '''triangular arch''' (sometimes ''angular arch''{{sfn|Audsley|Audsley|1881|p=37}}) typically defines an [[arch]] where the [[intrados]] (inner surface of an arch) consists of two straight segments formed by two [[stone slab]]s leaning against each other.{{sfn | Woodman | Bloom | 2003 | loc=Triangular}}<ref name=oup/> In this roof-like<ref>{{cite book | last=Passmore | first=A.C. | title=Handbook of Technical Terms Used in Architecture and Building and Their Allied Trades and Subjects | publisher=Scott, Greenwood, and Company | year=1904 | chapter = Mitre arch | chapter-url=https://books.google.com/books?id=NawaAAAAYAAJ&pg=PA228 | access-date=2024-02-27 | page=228}}</ref> arrangement, [[mitre joint]] is usually used at the [[Crown (arch)|crown]], thus the arch was in the past also called a ''mitre arch''.<ref>{{cite web | title=mitre arch | website=[[Oxford English Dictionary]] | date=2023-07-01 | url=https://www.oed.com/dictionary/mitre-arch_n | access-date=2024-02-27}}</ref> Brick builders would call triangular any arch with straight inclined sides.<ref>{{cite book |last1=Brick Industry Association] |series=Technical Notes on Brick Construction |title=Brick Masonry Arches: Introduction |date=January 1995 |publisher=Brick Industry Association |page=2 |url=https://faculty-legacy.arch.tamu.edu/anichols/index_files/courses/arch631/NS6-1brickarch.pdf}}</ref> [[Maya civilization|Mayan]] [[corbel arch]]es are also sometimes called triangular due to their shape.{{sfn|Sturgis|Davis|2013|p=121|loc=Triangular Arch}}

Since the sides of a triangular arch are experiencing bending stress, it is a [[false arch]]<ref name=oup>{{cite book |title=The Oxford Dictionary of Architecture |date=2021 |publisher=[[Oxford University Press]] |isbn=9780191918742 |edition=4th | chapter = triangular arch }}</ref> in a structural sense (historically preceding the invention of [[true arch]]es{{sfn|Nikolich|2020|p=1862}} and going back to [[Neolithic]] times<ref>{{Cite EB14|year=1961|volume=2|article=Arch and Vault|page=262}}</ref>). The design was commonused in [[Anglo-Saxon England]] until the late 11th century ([[St Mary Goslany]]) over small openings.{{sfn | Woodman | Bloom | 2003 | loc=Triangular}}{{sfn|Audsley|Audsley|1881|p=37}}

<gallery>

File:White Castle, arrow slit.jpg|A triangular arch built using [[masonry]] ([[White Castle, Monmouthshire]])

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==Sources==

* {{cite book|last=Audsley|first=W.|last2=Audsley|first2=G.A.|title=Popular Dictionary of Architecture and the Allied Arts: A Work of Reference for the Architect, Builder, Sculptor, Decorative Artist, and General Student. With Numerous Illustrations from All Styles of Architecture, from the Egyptian to the Renaissance|publisher=G. P. Putnam's sons|series=Popular Dictionary of Architecture and the Allied Arts: A Work of Reference for the Architect, Builder, Sculptor, Decorative Artist, and General Student|issue=v. 2|year=1881|chapter-url=https://books.google.com/books?id=vwVFAAAAYAAJ&pg=PA24|access-date=2024-12-28|chapter=Arch|pages=24-39}}

* {{cite book | last1=Woodman | first1=Francis | last2=Bloom | first2=Jonathan M. | title=Oxford Art Online | chapter=Arch | publisher=Oxford University Press | date=2003 | isbn=978-1-884446-05-4 | doi=10.1093/gao/9781884446054.article.t003657}}

* {{cite book | last1=Sturgis | first1=Russell | last2=Davis | first2=Francis A. | title=Sturgis' Illustrated Dictionary of Architecture and Building: An Unabridged Reprint of the 1901-2 Edition | publisher=Dover Publications | series=Dover Architecture | year=2013 | isbn=978-0-486-14840-3 | chapter-url=https://books.google.com/books?id=j9wAW2YleywC&pg=PA116 | access-date=2023-12-15 | chapter=Triangular Arch}}

* {{cite journal | last=Nikolich | first=Dimitriye | title=Thrust line analysis of triangular arches | journal=Archive of Applied Mechanics | publisher=Springer Science and Business Media LLC | volume=90 | issue=9 | date=2020-05-08 | issn=0939-1533 | doi=10.1007/s00419-020-01701-7 | pages=1861–1874}}

* {{cite book | last1=Sturgis | first1=Russell | last2=Davis | first2=Francis A. | title=Sturgis' Illustrated Dictionary of Architecture and Building: An Unabridged Reprint of the 1901-2 Edition | publisher=Dover Publications | series=Dover Architecture | year=2013 | isbn=978-0-486-14840-3 | chapter-url=https://books.google.com/books?id=j9wAW2YleywC&pg=PA116 | access-date=2023-12-15 | chapter=Triangular Arch}}

* {{cite book | last1=Woodman | first1=Francis | last2=Bloom | first2=Jonathan M. | title=Oxford Art Online | chapter=Arch | publisher=Oxford University Press | date=2003 | isbn=978-1-884446-05-4 | doi=10.1093/gao/9781884446054.article.t003657}}

[[Category:Arches and vaults| ]]