Pont de les Ferreres
41.1455555555561.243888888888956.4Koordinaten: 41 ° 8 ' 44 " N, 1 ° 14' 38" E
The Aqüeducte de les Ferreres (also known as Pont del Diable, Catalan for " Devil's Bridge ") is a Roman aqueduct that spans the valley of the Barranc de les Arcs at Tarragona in Catalonia (Spain ) and water from the river Francolí to ancient Tarraco initiated. It is one of the best preserved ancient aqueducts and is the largest in Catalonia.
Location
The Aqüeducte de les Ferreres is located in a grove near the neighborhood of Sant Salvador, about four kilometers to the north from the center of Tarragona.
History
The exact date of construction of the aqueduct is unknown. It was probably built in AD under the reign of Emperor Augustus in the 1st century, coinciding with the expansion Tarracos and the expansion of the city the seat of the Concilium provinciae of Hispania Citerior. The aqueduct was used until the Middle Ages the water supply of Tarragona. It has been repeatedly repaired, so among other things, in the 10th century under Abd ar -Rahman III. , The Caliph of Córdoba. From the 18th to the 20th century, various measures for receiving the building were carried out.
In 1905 the aqueduct was classified as " cultural national interest " and declared in 2000 as part of the Archaeological Ensemble of Tarraco, a UNESCO World Heritage Site. After the acquisition of the entire area around the city of Tarragona Parc del Pont del Diable ecohistòric ( " Pont del Diable Ökohistorischer Park ") was created to help the monument and its natural environment to better protection in 2005.
Facts and Figures
The aqueduct bridge has a total length of 217 meters and reaches a maximum height of 27 meters, the - now destroyed - the upper part of the covered with stone slabs water channel, which was about two feet high, is not considered. The building consists of twenty-five arches; the average two story area additionally has eleven arches on the lower level. The arches have a span of approximately 6.30 meters, a height ( depending on the type of terrain) of up to 5.70 meters and a thickness of about 1.80 meters. The distance from the center pillar to pillar center is about 8.10 meters. The north side of the aqueduct is located at an altitude of about 56.80 meters, 56.40 meters on the south side above sea level, resulting in a gradient of about 0.2 % can be calculated.
Construction
The exhibition walls of the aqueduct are built from regular, parallelepiped -shaped stone blocks with slightly embossed outer sides that are all the same height and were placed on one another without mortar (opus quadratum ); probably they were hewn already in the nearby quarry Coves de la Pedrera to the required degree and delivered ready offset. The interior of the pillar consists of a concrete-like filling of small stones and mortar (opus caementitium ). The water-conducting channel was lined with an impermeable mortar (opus signinum ), which was gradually covered by Kalksinterschichten.
Course
The water for the aqueduct was about 15 kilometers north of Tarragona dammed and drained on Francolí by means of a weir at Torre del Comte between the towns Rourell and Puigdelfí. From there, the channel was initially parallel to the river, then followed the terrain and be used from the Pont del Codony the natural gradient to reach the valley of the Barranc de les Arcs, which was overcome by the aqueduct described here. The channel then followed the old way Cami de l'Angel and reached Tarraco at the level of today's Avinguda Catalunya, where the water was in a large cistern, a castellum aquae ( "Water Palace " ), filtered and collected. A network of sound and lead pipes provided the water distribution in the city.
The Legend of the Pont del Diable
On the origin of the name of the Aqüeducte de les Ferreres as " Devil's Bridge " tells you the following story:
The legend is similar to that of the Devil's Bridge the Swiss Schöllenenschlucht.
Others
The aqueduct appears in the film La teta y la luna by Bigas Luna from the year 1994.