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Keystone (architecture) A keystone (or capstone) is the wedge-shaped stone at the apex of a masonry arch or typically round-shaped one at the apex of a vault. In both cases it is the final piece placed during construction and locks all the stones into position, allowing the arch or vault to bear weight. [1][2][3] In arches and vaults (such as ...
A voussoir (/ vuˈswɑːr /) is a wedge-shaped element, typically a stone, which is used in building an arch or vault. [1] Although each unit in an arch or vault is a voussoir, two units are of distinct functional importance: the keystone and the springer. The keystone is the centre stone or masonry unit at the apex of an arch.
An arch is a curved vertical structure spanning an open space underneath it. [1] Arches may support the load above them, or they may perform a purely decorative role. As a decorative element, the arch dates back to the 4th millennium BC, but structural load-bearing arches became popular only after their adoption by the Ancient Romans in the 4th ...
For the sake of comparison, a semicircular arch with wedge-shaped voussoirs maintained by a central keystone (" true arch"). A corbel arch (or corbeled / corbelled arch) is an arch -like construction method that uses the architectural technique of corbeling to span a space or void in a structure, such as an entranceway in a wall or as the span ...
Two rows of voussoirs form the shape of the arch and are held in place by a keystone at the top. [1] Above the arch (in two concentric rows) there is an ornate Doric-inspired frieze of metopes with round shields and triglyphs in six vertical bands. Above this is another smaller voussoir arch between two pilasters making the height of the ...
This page is a glossary of architecture. A flat slab forming the uppermost member or division of the capital of a column. A sculptural embellishment of an arch. The subsidiary space alongside the body of a building, separated from it by columns, piers, or posts. The space enclosed in a church between the outer gate or railing of the rood screen ...
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] This architectural element was particularly important in Gothic architecture. The earliest use of a pointed arch dates back to ...
Renaissance architecture is the European architecture of the period between the early 15th and early 16th centuries in different regions, demonstrating a conscious revival and development of certain elements of ancient Greek and Roman thought and material culture.