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More model informationThe Tartaiguille tunnel is a French railway tunnel of the LGV Méditerranée. It is located in the territory of the municipalities of La Roche-sur-Grane and Roynac, in the department of Drôme in the Auvergne-Rhône-Alpes region. It was put into service in 2001 by the French National Railway Company. The ‘umbrella vault’ installations were carried out using a Geodimeter 640 SM and Topo6tem software running on HP200LX, the device being automatically controlled, example here of a polygonal erected on a ‘Baechler’ console in the years 1998. Thanks to Pierre 391 for the scan and modeling of this tunnel.
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Feb 1st 2024
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