Editing Arch (section)

=== Rounded ===
{{Main|Semicircular arch}}
"Round" [[semicircular arch|semicircular]] arches were commonly used for ancient arches that were constructed of heavy masonry,<ref name="ambrose32">{{cite book|last=Ambrose|first=James|title=Building Structures|url=https://archive.org/details/buildingstructur00ambr|url-access=limited|year=2012|publisher=John Wiley & Sons, Inc.|location=Hoboken, NJ|isbn=978-0-470-54260-6|page=[https://archive.org/details/buildingstructur00ambr/page/n49 32]}}</ref> and were relied heavily on by the [[Ancient Rome|Roman]] builders since the 4th century [[Anno Domini|BC]]. It is considered to be the most common arch form,{{sfn | Woodman | Bloom | 2003 | loc=Round}} characteristic for Roman, [[Romanesque architecture|Romanesque]], and [[Renaissance architecture|Renaissance]] architecture.<ref name=treccani/>

{{Main|Segmental arch}}
A [[segmental arch]], with a rounded shape that is less than a semicircle, is very old (the versions were cut in the rock in Ancient Egypt {{circa}} 2100 BC at [[Beni Hasan]]). Since then it was occasionally used in [[Ancient Greek architecture|Greek temples]],{{sfn | Woodman | Bloom | 2003 | loc=Segmental}} utilized in Roman residential construction,{{sfn|DeLaine|1990|p=417}}  [[Islamic architecture]], and got popular as window [[pediments]] during the Renaissance.{{sfn | Woodman | Bloom | 2003 | loc=Segmental}}

{{Main|Basket-handle arch}}
A [[basket-handle arch]] (also known as ''depressed arch'', ''three-centred arch'', ''basket arch'') consists of segments of three circles with origins at three different centers (sometimes uses five or seven segments, so can also be ''five-centred'', etc.). Was used in [[Late Gothic architecture|late Gothic]] and [[Baroque architecture]].{{sfn | Woodman | Bloom | 2003 | loc=Basket}}{{sfn | Woodman | Bloom | 2003 | loc=Depressed}}

{{Main|Horseshoe arch}}
A [[horseshoe arch]] (also known as ''keyhole arch'') has a rounded shape that includes more than a semicircle, is associated with Islamic architecture and was known in areas of Europe with Islamic influence ([[Spain]], [[Southern France]], [[Italy]]). Occasionally used in Gothics, it briefly enjoyed popularity as the entrance door treatment in the [[interwar]] England.{{sfn | Woodman | Bloom | 2003 | loc=Horseshoe}}

<gallery>
File:InsideGWWatchtower.jpg|Semi-circular arches using [[brick]] and/or [[stone]] block construction at the [[Great Wall]], China
File:Puente de Alconétar, Cáceres Province, Spain. Pic 03.JPG|Segmental arch of the [[Alconétar Bridge]]
File:Fichtelnaab Bahnstrecke Regensburg–Oberkotzau bei Pappenfabrik.jpg|Bridge with a basket handle arch
File:Great Mosque of Cordoba, mihrab area, 10th century (7) (29211135964).jpg|[[Horseshoe arch]] in the [[Great Mosque of Cordoba]]
</gallery>