Opus caementicium

Opus caementicium

Opus caementicium was the Roman technique of constructing structures using concrete. It was used from the beginning of the Roman republic through the whole history of the Roman empire.

Opus caementicium, like other forms of concrete, is made from a mix of aggregate and a binder which, when mixed with water, hardens over time. In Roman times gypsum and lime were used as binders, but volcanic dusts such as pozzolana were favored where they could be obtained. Reinforcing elements, such as steel rebar, were not used.

In most usage the raw concrete surface was considered unsightly and some sort of facing was applied. Different techniques were characteristic of different periods and included:

*"Opus incertum": small irregular stones
*"Opus reticulatum": small squared blocks laid in a diamond pattern
*"Opus quadratum": regularly laid courses of ashlars
*"Opus latericium": regularly laid courses of brick
*"Opus spicatum": brick laid in a herringbone pattern
*"Opus vittatum": Square Tuff blocks intersected by brick bands at regular and irregular distances.
*"Opus africanum": vertical chains of upright blocks with alternating horizontal blocks
*"Opus testaceum": Think horizontal brick work

See also

*Roman concrete

References

* [http://archserve.id.ucsb.edu/arthistory/152k/concrete.html Roman Concrete]
*Roman Building By Jean-Pierre Adam, Anthony Mathews (1994)

External links

* [http://www.cs.uu.nl/~wilke/aquasite/hulp/tekopusbreed.htm "Opus caementicium "Roman walls]


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  • Opus caementicium — Pour les articles homonymes, voir Opus. L opus caementicium (du latin caementum = moellon, pierre brute) est une maçonnerie faite de mortier et de pierres de toute sorte (déchets de taille par exemple) et qui a l aspect du béton. Le mélange se… …   Wikipédia en Français

  • opus caementicium — ò·pus cae·men·tì·cium loc.s.m.inv., lat. TS archeol. muratura di epoca romana, fatta con pietre legate con malta Sinonimi: opera cementizia. {{line}} {{/line}} ETIMO: lat. opus caementicium propr. opera (fatta) con rottami di pietra …   Dizionario italiano

  • Opus reticulatum — usado en la pared exterior de la Villa de Adriano utilizada como refugio del Emperador Adriano a principios del siglo II en la antigua Roma. Opus reticulatum (también conocido como aparejo reticulado) es una forma de mampostería usada en la… …   Wikipedia Español

  • Opus reticulatum — used on the exterior wall of Hadrian s Villa used as a retreat for the Roman Emperor Hadrian in the early 2nd century. Opus reticulatum (also known as reticulated work) is a form of brickwork used in ancient Roman architecture. It consists of… …   Wikipedia

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  • Opus africanum — used in Dougga s Capitol. Opus africanum is a form of ashlar masonry used in Carthaginian and ancient Roman architecture, characterized by pillars of vertical blocks of stone alternating with horizontal blocks, filled in with smaller blocks in… …   Wikipedia

  • Opus africanum — utilizado en el Capitolio de Dougga. . Opus africanum es una técnica de aparejo utilizada en las arquitecturas Cartaginense y de la Antigua Roma, caracterizada por pilares de ladrillos verticales alternando con ladrillos horizontales, rellenados… …   Wikipedia Español

  • Opus latericium — Ejemplo de opus latericium en una tumba de la antigua Vía Apia en Roma. Opus latericium es una técnica constructiva de la antigua Roma en la que una mampostería de un ladrillo de grueso se usa para revestir un núcleo de opus caementicium (lateres …   Wikipedia Español

  • Opus — großes Werk (eines Künstlers); opus magnum (lat.); Kunstwerk; Meisterwerk; Werk; Artefakt; Handlungsprodukt; Arbeitsergebnis * * * Opus 〈n.; , Ope|ra; Abk.: op.〉 …   Universal-Lexikon

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