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A building's surface detailing, inside and outside, often includes decorative moulding, and these often contain ogee-shaped profiles—consisting (from low to high) of a concave arc flowing into a convex arc, with vertical ends; if the lower curve is convex and higher one concave, this is known as a Roman ogee, although frequently the terms are used interchangeably and for a variety of other ...
A secant ogive of sharpness = / = The ogive shape of the Space Shuttle external tank Ogive on a 9×19mm Parabellum cartridge. An ogive (/ ˈ oʊ dʒ aɪ v / OH-jyve) is the roundly tapered end of a two- or three-dimensional object. Ogive curves and surfaces are used in engineering, architecture, woodworking, and ballistics.
Ogee vault – Ogee is a shape consisting of a concave arc flowing into a convex arc, so forming an S-shaped curve with vertical ends. Ogival vault – An architectural vault; Parabolic vault – An architectural vault with a parabolic cross section. Hyperbolic paraboloid vault.
However, lintels are subject to bending stress, while the flat arches are true arches, composed of irregular voussoir shapes (the keystone is the only one of the symmetric wedge shape), [86] and that efficiently uses the compressive strength of the masonry in the same manner as a curved arch and thus requires a mass of masonry on both sides to ...
Varieties of Gothic pointed arches: 1 - equilateral (with trefoil treatment), 2 - blunt, 3 - lancet, 4 - ogee, 5 - four-centred, 6 - curtain (inflexed), 7 - pointed horseshoe The most common form of the Gothic pointed arch in windows and arches was based upon an equilateral triangle , in which the three sides have an equal length (the span of ...
The earliest surviving chaitya arch, at the entrance to the Lomas Rishi Cave, 3rd century BC. In Indian architecture, gavaksha or chandrashala (kudu in Tamil, also nāsī) [1] are the terms most often used to describe the motif centred on an ogee, circular or horseshoe arch that decorates many examples of Indian rock-cut architecture and later Indian structural temples and other buildings.
Placing an ovolo directly above a cavetto forms a smooth s-shaped curve with vertical ends that is called an ogee or cyma reversa moulding. Its shadow appears as a band light at the top and bottom but dark in the interior. Similarly, a cavetto above an ovolo forms an s with horizontal ends, called a cyma or cyma recta. Its shadow shows two dark ...
A bell roof (bell-shaped roof, ogee roof, [1] Philibert de l'Orme roof) is a roof form resembling the shape of a bell. [2] Shapes