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List of products by author: G. Karweta-Payen
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Geological characterization and reduction of uncertain ties for mechanized tunnelling with mixed face coarse...
Abstract: Lyon’s Metro B extension tunnel will be shallowly excavated in a dense and sensitive urban context, through pre- and postglacial alluvium interfacing with old wells, erratic boulders and a granite substratum. Settlement control using confined TBM, which is essential for reducing the risk of damage to buildings, become highly sensitive in such context. Among the risks that have been identified...
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The risk minimization strategy designing the tunnels of Greater Paris metro project
Abstract: In the context of the Greater Paris Project, aimed to empower the actual Parisian Metro Network, SYSTRA is in charge of the design of the southeastern section of Line 15. This stretch consists of a 21km long bored tunnel, 8 underground stations and 25 safety and ventilation shafts, located in a densely urbanized area. One-track and double-track tunnels up to 8.70m of inner diameter have been...
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