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A pointed arch, ogival arch, or Gothic arch is an arch with a pointed crown meet at an angle at the top of the arch. [1] Also known as a two-centred arch , its form is derived from the intersection of two circles. [ 2 ]
A similar arch that uses a mixture of curved and straight segments [71] or exhibits sharp turns between segments [72] is a mixed-line arch (or mixtilinear arch). In Moorish architecture the mixed-line arch evolved into an ornate lambrequin arch, [73] also known as muqarnas arch.
Gothic architecture features ogives as the intersecting transverse ribs of arches which establish the surface of a Gothic vault. An ogive or ogival arch is a pointed, "Gothic" arch, drawn with compasses as outlined above, [where?] or with arcs of an ellipse as described. A very narrow, steeply pointed ogive arch is sometimes called a "lancet arch".
The defining characteristic of the Gothic style is the pointed arch, which was widely used in both structure and decoration. The pointed arch did not originate in Gothic architecture; they had been employed for centuries in the Near East in pre-Islamic as well as Islamic architecture for arches, arcades, and ribbed vaults. [56]
Romanesque architecture [1] is an architectural style of medieval Europe that was predominant in the 11th and 12th centuries. [2] The style eventually developed into the Gothic style with the shape of the arches providing a simple distinction: the Romanesque is characterized by semicircular arches, while the Gothic is marked by the pointed arches.
The undersurface, or soffit, may be generated from a series of pointed, rather than round, arches. Also known as a cross vault. An architecture vault produced by the intersection at right angles of two barrel (tunnel) vaults. Sometimes the arches of groin vaults may be pointed instead of round. Handkerchief vault – See Dome; Inflatable vault [1]
Pyatthat: A multi-tiered and spired roof commonly found in Burmese royal and Buddhist architecture. Tented: A type of polygonal hipped roof with steeply pitched slopes rising to a peak; Helm roof, Rhenish helm: A pyramidal roof with gable ends; often found on church towers. Spiral, a steeply pitched spire which twists as it goes up.
Construction of a four-centred arch. A four-centred arch (Commonwealth spelling) or four-centered arch (American spelling) is a low, wide type of arch with a pointed apex.Its structure is achieved by drafting two arcs which rise steeply from each springing point on a small radius, and then turning into two arches with a wide radius and much lower springing point.