Saint-Louis-Arzviller inclined plane
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The Saint-Louis-Arzviller inclined plane is a part of the Marne-Rhine Canal. Located between Saint-Louis and Arzviller in the department of the Moselle, it enables the canal to cross the Vosges Mountains.
The structure opened in 1969, replacing 17 locks to provide for a change in level of 44.55 metres (approximately 138 feet). The inclined plane comprises a single chamber, reminiscent of a giant bath tub, which is called a caisson and slides laterally up or down the hillside on rails set at an angle of 41 degrees. The caisson is counter-balanced by two weights each of 450 metric tons, and the length of the lifting ramp is 108.65 metres (about 335 feet). The design is believed to be unique in Europe.
Prior to the construction of the incline, barges needed 8 to 13 hours to traverse the 17 locks and 10,200 cubic metres of water was needed to operate the series of locks. The incline can be traversed in 4 minutes and requires only 40 cubic metres of water. Because the design uses counterweights to balance the weight of the caisson being moved, the entire operation can be run by two 120 horsepower electric motors, which causes a surprisingly small energy consumption.
[edit] See also
[edit] Further Reading
- Uhlemann, H-J., (2002) "Canal Lifts and Inclines of the World" Internat
[edit] External links
- St.Louis Arzviller page in French and German
- Plan incliné de Saint-Louis / Arzviller in the Structurae database
- Aerial view on Google Maps
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