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Proceedings Papers

Paper presented at the ISRM International Symposium, May 26–28, 1982
Paper Number: ISRM-IS-1982-074
... to Kieser/ Berger. The geology of the surrounding mountains is characterized by the almost vertically strata of the tertiary. oligocene molasse. The strata runs almost parallel to the tunnel axis. Excavation and supporting were used in several stages according to the modified Belgian Tunnelling construction...

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