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Keywords: Gotthard Base Tunnel
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Proceedings Papers

Paper presented at the 14th ISRM Congress, September 13–18, 2019
Paper Number: ISRM-14CONGRESS-2019-184
... shear stress. Squeezing ground represents one of the most problematic grounds for tunnelling and overcoming these formations has become one of the key-issues in tunnelling, as for example in Switzerland: the northern part of the Tavetsch Massif of the Gotthard Base Tunnel, the Linea Val Colla...
Proceedings Papers

Paper presented at the 9th ISRM Congress, August 25–28, 1999
Paper Number: ISRM-9CONGRESS-1999-301
... forms of rock pressure, the main aspects of the project for the 57 m long Gotthard Base Tunnel are presented. Following this a description is given of the results of the planning work for the construction lot Sedrun, for which long stretches of squeezing rock conditions have been predicted. The concept...

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