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List of products by author: A. Vinnac
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Performance monitoring for back-analysis of hard rock TBM tunnelling: the case of the Frejus safety tunnel
Abstract: Phenomena such as convergence and anisotropic behaviour can be expected when tunnelling through schistose rocks under high overburden in the Alps. The 13 km-long safety tunnel of the existing Frejus Highway tunnel, at the French-Italian border, is currently under construction and the 6.5 km-long French Lot was successfully completed with a hard rock 9.4 Ø...
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TBM excavation of the Frejus safety tunnel through highly deformable schistous rock mass under high rock cover
Abstract: The 13km-long safety tunnel of the existing Frejus Highway Tunnel at the French-Italian border, in the Western Alps, is currently under construction. The first 6.5-km lot is successfully excavated. The tunnel is being excavated by a 9.4m-diameter, single shield TBM and is lined with 0.4m-thick precast concrete rings. The tunnel is excavated through anisotropic schistose...
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