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Abstract: This paper presented a case study on the numerical simulation for construction of large dimeter TBM tunnelling in a sharp curve alignment. It took Shanghai North Crossing Channel as a case to analyse the tunnel settlement and alignment offset during the construction. A notable feature and difficulty in this project was that larger-diameter tunnel (15.56m outer diameter) run in soft clay with a...
Abstract: The North-Cross Expressway project in Shanghai were introduced, involving deep excavation above existing Mass Rapid Transit (MRT) Line 13 and corresponding impacts under the complex surrounding conditions. Displacements of the MRT tunnel and retaining walls were analysed in the Plaxis software by using hardening soil model to predict the soil displacement. In additional, backanalysis based on...