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Tunnelling in horizontally laminated ground: The influence of lamination thickness on anisotropic behaviour and practical observations from the Niagara Tunnel Project
The Niagara Tunnel Project is a 10.4 km long water diversion tunnel being excavated under the city of Niagara Falls, Ontario by a 14.4 m diameter tunnel boring machine. This tunnel has descended through the entire stratigraphy ...
Examination of Geological Influence on Machine Excavation of Highly Stressed Tunnels in Massive Hard Rock
A combined geological and rock mechanics approach to tunnel face behaviour prediction, based on improved understanding of brittle fracture processes during TBM excavation, was developed to complement empirical design and ...