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List of products by author: N. Berthoz
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ALE FE analysis of a laboratory test for the simulation of mechanised tunnelling in soft soil
Abstract: Numerical analyses of mechanised tunnel excavation are normally performed through an extremely simplified simulation of the physical processes occurring during Tunnel Boring Machine operation. Furthermore, the volume loss and the width of the settlement trough in greenfield conditions are assumed a priori and serve as a reference for the calibration of the fictitious boundary conditions...
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Full -scale experiment of the TBMsoilpile interaction in Parisian subsoil
Abstract: When tunnels are constructed in urban areas, excavation is often carried out under the water table and beneath structures which, in many cases, are founded on piles. In this context, pressurised Tunnel Boring Machines (TBM) are used to minimise ground movements in the urban environment. To limit damages generated by the excavation works, it is essential to give the best prediction of tunnelling...
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In situ experimental quantification of partic le velocitiesemittedby
Abstract: Vibrations generated during the excavation of an underground structure with a tunnel boring machine (TBM) can have a structural or vibro-acoustic impact. This problem, which is particularly prevalent in urban areas, is at the heart of concerns of all parties involved: owners, designers, contractors. This article summarizes few data available on this point in the literature, and completes them...
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