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In architecture a corbel (or console) is a piece of stone jutting out of a wall to carry any superincumbent weight. A piece of timber projecting in the same way was called a "tassel" or a "bragger".¹ The technique of corbelling, where rows of corbels deeply keyed inside a wall support a projecting wall or parapet, has been used since Neolithic times.² It is common in Medieval architecture and in the Scottish baronial style as well as in the Classical architectural vocabulary, such as the modillions of a Corinthian cornice and in ancient Chinese architecture.

The word "corbel" comes from Old French and derives from the Latin corbellus, a diminutive of corvus (a raven) which refers to the beak-like appearance.¹ Similarly, the French refer to a corbel as corbeau (a crow) or as cul-de-lampe, Italians as mensola, the Germans as Kragstein.¹ The usual word in modern French for a corbel in a Classical context is modillon. A corbeau is a bracket-corbel, which is usually a load-bearing internal feature. A cul-de-lampe is a kind of bracket-corbel supporting a vault; the term is also used for a corbel with a tapering base.³

In traditional Chinese architecture, such a load-bearing structural element, made of stone or wood, is called dougong and has been used since the late centuries BCE.

Contents 1 Decorated corbels 2 In Classical architecture 3 Corbel tables 4 Corbelling 5 Gallery 5.1 Examples 6 See also 7 Notes 8 References 9 External links

Decorated corbels

Norman (Romanesque) corbels often have a plain appearance,¹ although they may be elaborately carved with stylised heads of humans, animals or imaginary "beasts", and sometimes with other motifs (Kilpeck church in Herefordshire is a notable example, with 85 of its original 91 richly carved corbels still surviving).⁴

Similarly, in the Early English period, corbels were sometimes elaborately carved, as at Lincoln Cathedral, and sometimes more simply so.¹

Corbels sometimes end with a point apparently growing into the wall, or forming a knot, and often are supported by angels and other figures. In the later periods the carved foliage and other ornaments used on corbels resemble those used in the capitals of columns.¹

Throughout England, in half-timber work, wooden corbels ("tassels" or "braggers") abound, carrying window-sills or oriel windows in wood, which also are often carved.¹

In Classical architecture

The corbels carrying balconies in Italy and France were sometimes of great size and richly carved, and some of the finest examples of the Italian "Cinquecento" (16th century) style are found in them. Taking a cue from 16th-century practice, the Paris-trained designers of 19th-century Beaux-Arts architecture were encouraged to show imagination in varying corbels.^{citation needed}

Corbel tables

A corbel table is a projecting moulded string course supported by a range of corbels. Sometimes these corbels carry a small arcade under the string course, the arches of which are pointed and trefoiled. As a rule the corbel table carries the gutter, but in Lombard work the arcaded corbel table was utilized as a decoration to subdivide the storeys and break up the wall surface. In Italy sometimes over the corbels will form a moulding, and above a plain piece of projecting wall forming a parapet.¹

The corbels carrying the arches of the corbel tables in Italy and France were often elaborately moulded, and sometimes in two or three courses projecting over one another; those carrying the machicolations of English and French castles had four courses.^{citation needed}

In modern chimney construction a corbel table is constructed on the inside of a flue in the form of a concrete ring beam supported by a range of corbels. The corbels can be either in-situ or pre-cast concrete. The corbel tables described here are built at approximately ten metre intervals to ensure stability of the barrel of refractory bricks constructed thereon.^{citation needed}

Corbelling

Main article: Corbel arch

Corbelling, where rows of corbels gradually build a wall out from the vertical, has long been used as a simple kind of vaulting, for example in many Neolithic chambered cairns where walls are gradually corbelled in until the opening can be spanned by a slab.

In medieval architecture the technique was used to support upper storeys or a parapet projecting forward from the wall plane, often to form machicolation where openings between corbels could be used to drop things onto attackers. This later became a decorative feature, without the openings. Corbelling supporting upper stories and particularly supporting projecting corner turrets subsequently became a characteristic of the Scottish baronial style.

Medieval timber-framed buildings often employ jettying, where upper stories are cantilevered out on projecting wooden beams in a similar manner to corbelling.

Gallery

Gallarus Oratory, an early Christian church in Ireland, built with corbel vaulting	Norman corbel at Kilpeck, England, showing a hound and hare, 12th century	Two Norman corbels, depicting a ram and a lion, supporting the corbel table at Kilpeck	Stone corbel at Boyle Abbey, 13th century
Corbelling supporting parapets with machicolations at Montmajour Abbey, France (14th century)	Corbel in the Alten Friedhof, Bonn, Germany	Corbelling supporting corner turrets at Newark Castle, Port Glasgow on a Renaissance mansion of c.1600	Craigievar Castle, Scotland (completed 1626), displays corbelling supporting upper storeys, corner turrets and stairwells projecting out from the wall line
A corbel in Paris (with a lion mask and oakleaves forming its cul-de-lampe)

Examples

• Maes Howe, a particularly fine Neolithic chambered cairn in Scotland.

See also

Wikimedia Commons has media related to: Corbels

• Atlas (architecture)
• bracket (architecture)
• corbel arch
• eave
• mantel
• Muqarna

Notes

References

• This article incorporates text from the Encyclopædia Britannica Eleventh Edition, a publication now in the public domain.
• The CRSBI (Corpus of ROMANESQUE SCULPTURE in Britain and Ireland) website has many examples of carved Norman corbels
• Curl, James Stevens. A Dictionary of Architecture and Landscape Architecture (Second ed.), Oxford University Press. pp. 880 pages. ISBN 0-19-860678-8. 

External links

• Beyond-the-pale A discursive and richly-illustrated website showing corbels on hundreds of churches in the British Isles, France and Spain, depicting the Sins of the Flesh and the punishment thereof

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• This page was last modified on 2 December 2008, at 21:02.

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