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A wedge-shaped block whose converging sides radiate from a center forming an element of an arch or vaulted ceiling.

stepped voussoir

A voussoir that is squared along its upper surfaces so that it fits horizontal courses of masonry units.


A wedge-shaped masonry unit in an arch or vault whose converging sides are cut as radii of one of the centers of the arch or vault.
References in periodicals archive ?
One of the voussoirs to the left of the figures of the Blessed in the Last Judgement tympanum of the Cathedral at Amiens depicts Abraham catching three saved souls in his cloak and upraised arms.
Contact Cooke and Arkwright on 029 2034 6346 Great House is just that: Great house in Aberthin, Vale of Glamorgan includes the Gatehouse, which itself is approached from Llanquian Road, over a small bridge with rubble parapets and arches of voussoirs (wedged shaped stones used to form an arch) over Nant Aberthin.
One is Piercebridge over the Tees with its three sublime segmental arches constructed of precisely-cut ashlar voussoirs, and its huge abutments to resist the powerful lateral thrusts of the arches.
and] the whole structure seems to expand and extend outwards as the eye travels upward; the fan-shaped alternation of light and dark voussoirs intensifies this impression--the impression of a room that appears to fan outwards from many centers, and is at once motionless and mobile".
The Beaux-Art style is identified by classical architectural elements seen on the building, such as: the dentils within the bracketed cornice, voussoirs, exaggerated key stones and stone string courses.
Decorative woodwork around eaves, doors and windows is gone, as is any overt decorative brickwork, particularly voussoirs, polychrome or three-dimensional banding, or chimney work.
5 km made at the launching beam or other comprising 7 non-current works including in particular the crossing of the RN 118, - of the two ramps of connection to the open trenches, It will be made available to the holder a platform allowing him to prefabricate the voussoirs constituting the viaduct.