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List of products by author: F. Chortis
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Numerical Investigation of the Interaction between Twin Tunnels
Abstract: The construction of twin tunnels is common practice in either conventional or mechanized shield-driven tunnelling for safety and functionality reasons. However, existing design methodologies focus on single tunnels, thus neglecting the potential interaction between neighbouring tunnels, especially if the latter are closely spaced. This paper investigates the interaction between twin circular...
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Numerical investigation of the interaction of parallel twin tunnels during excavation and support
Abstract: The construction of twin tunnels is a prevailing practice in either conventional or mechanized shield-driven tunnelling for security and functionality. Despite that, existing methodologies for tunnel design usually focus on single tunnels, neglecting the potential interaction between neighbouring tunnels. Such interaction can have significant effects, especially in closely spaced twin tunnels....
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Tunnelling in Weak Rock Mass with Overlying Competent Stratum
Abstract: Convergence in the case of tunnelling through alternations of competent and incompetent rock masses may depend on the geometrical and geotechnical characteristics of both members. In case the thickness of layers is small compared with the characteristic dimensions of the tunnel section (e.g. diameter), simulation of all layers is impractical. In this case, simulation of the heterogeneous...
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