List of products by author: S. Freitag

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  Real-time TBM Steering Assistance System Using Numerical Simulation and Monitoring Data

  Abstract: Currently monitoring data are used to support the TBM steering, i.e. selecting the grouting and face pressures to control surface settlements and guaranty face stability. In this work, a new concept is presented combining monitoring based steering with finite element (FE) simulations. The idea is to generate a comprehensive FE model in the design stage of a tunnel project, which incorporates...

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  Simulation Based Real Time Prognosis for Mechanized Tunneling

  Abstract: The paper proposes a novel method for simulation and monitoring-based predictions in real time during the construction of machine-driven tunnels, thus enabling to support the steering process of tunnel boring machines. It consists of two main parts: a realistic process-oriented Finite Element (FE) model of the tunnelling project generated in the design phase of a project and, based upon this...

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