Alconétar Bridge
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The Alconétar bridge was a Roman bridge on the river Tagus in Spain. It was one of the oldest stone segmental arch bridges in the world, predating other examples such as the Zhaozhou Bridge in China and Ponte Vecchio in Italy (both of which are still in use today). Its construction is attributed by some to Trajan's architect Apollodorus of Damascus[1], who also built the timber-arched Trajan's Bridge in the early 2nd century.
The bridge was relocated from its original position when the Alcántara reservoir was created in the province of Cáceres, Extremadura, Spain [2]. Two original segmental arches were preserved, of 6.7 m (22 ft) and 7.2 m (24 ft) span, and a span-to-rise ratio of between 4 and 5, as were segmental arches from a later date.[3] There is evidence from the position of piers that segmental spans up to 10 m (33 ft) may have been present in the original construction.
There are other Roman segmental arch bridges such as the Ponte San Lorenzo in Padua.
[edit] References
- ^ O'Connor, Colin: Roman Bridges, Cambridge University Press 1993, ISBN 0-521-39326-4, P. 109
- ^ Troyano, Leonardo Fernández, "Bridge Engineering - A Global Perspective", Thomas Telford Publishing, 2003
- ^ "A brief analysis of the Roman bridges of the way La Via de la Plata", Limón, Hortelano & Fernández
[edit] Further reading
- Casado, Carlos Fernández: "Historia del puente en Espania. Puentes Romanos: Puente de Alconétar", Instituto Eduardo Torroja de la Construcción y del Cemento, Madrid 1970 without page numbers
- Fuentes, Manuel Durán: "La construcción de puentes romanos en Hispania", Xunta de Galicia, Santiago de Compostela 2004, ISBN 9788445339374, pp. 181–87
- Limón, Teresa González et al.: "A Brief Analysis of the Roman Bridges of the Way 'La via de la Plata'", Lourenço, P. B./Roca, P. (ed.): Historical Constructions, Guimarães 2001, pp. 247–256
- O’Connor, Colin: "Roman Bridges", Cambridge University Press 1993, ISBN 0-521-39326-4, pp. 108f., 171
- Vives, Antonio Prieto : "El puente romano de Alconétar", Archivo Español de Arte y Arqueología, Vol. 2 (May/Aug. 1925), pp. 147–158
[edit] See also
[edit] External links
Media related to Alconétar Bridge at Wikimedia Commons
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Coordinates: 39°45′14″N 6°26′14″W / 39.753838°N 6.437345°W
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