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Case Study Webinar Numerical Analysis of Tunnels in Anisotropic Rock Mass Formations March 29, 2022 (Tuesday)
- Time 1: GMT 6am / SGT 2pm / AEDT 5pm / NZDT 7pm
- Time 2: GMT 11am / BST 12pm / CEST 1pm / CAT 1pm / GST 3pm / IST 4:30pm | Duration : 60 min

This presentation tackles the 3D rock mass modelling considering a “pseudo-discontinuum” approach, by modelling the intact rock blocks with solid elements and the discontinuities with interface elements. An example of modeling the excavation of a deep tunnel in an anisotropic formation is dealt with using the software considered, comparing the results and evaluating the effectiveness of the analysis methodology.


👉 Related article 
Blog | Numerical Analysis of Tunnels in Anisotropic Formations: Continuum and Discontinuum Approaches

  • Guest Speaker
    Francesca Brambilla Geotechnical Engineer Arup

Francesca Brambilla


Francesca joined Arup in 2017, where she provides geotechnical knowledge in a multi-disciplinary design team, by means of solid numerical, theoretical and technical skills. She has been working on a number of structures and large infrastructures projects, specializing in FEM analysis of complex geotechnical problems.




Dedicated to sustainable development, Arup is a collective of 16,000 designers, advisors and experts working across 140 countries. Founded to be both humane and excellent, we collaborate with our clients and partners using imagination, technology and rigour to shape a better world.



01 Introduction to the project

- Geomechanical Conditions
- Construction Technology
- Tunnel support systems
- Excavation Sequence-

02 Rock Mass Modelling

- FEM vs DEM: from continuous to "pseudo-discontinuous" modelling
- Calibration of Parameters

03 Pseudo-Discontinuous Modelling of the Project

- Modelling of the Rock Mass Domain

- Modelling of the In-Situ Anisotropic Stress State

- Modelling of the Support Systems

- Excavation Sequence

04 Model Results & Conclusions

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