World Tunnel Congress 2025

Conference Site

Visit our exhibit space 05:34 to discover how we are leveraging our technical excellence and innovations to support our clients.

Poster presentations:

1. An equation correlating the joint conditions of the Q- and the RMR-classification systems, presented by Paul Evins
2. Detailed assessment of the risk for arsenic in bedrock and its impact on future rock excavation around Arlanda, Sweden, presented by Paul Evins
3. Systematic photogrammetry integrated into the Contractor’s workflow during tunneling: Advantages and lessons learned, presented by Paul Evins
4. Production of escalator shaft with inclined raise boring at the New Metro project in Stockholm, presented by Shivani Bhasker
5. Design of the new yellow metro line extension in Stockholm excavated with a tunnel boring machine, presented by Miriam Cegrell
6. Limits of the Convergence-Confinement method for deep tunnels, presented by Baptiste Fenneteau
7. Tunnel for the Sarenne hydroelectric plant: 2.3km long, 21% gradient using a Hard rock TBM in asbestos-bearing rock, presented by Thibaut Métivier
8. Sustainability in Pumped Hydro Tunnels - ESG Objectives and the UN's Sustainability Development Goals, by Andy Noble
9. Re-evaluating Restrained Shrinkage Tests for Sustainable Sprayed Concrete Tunnel Linings, presented by Chris Xu
10. Lausanne M3 Metro – Design of underground structures in the presence of rock swelling hazard, by Jade Senn
11. Site characterisation for a deep, 100 km long tunnel: a case study of CERN’s Future Circular Collider, by Jérémy Voiron

Excursion / technical tour:

1. A stroll through Stockholm´s geology. Meeting point Subway station Universitetet, presented by Paul Evins

Oral presentations:

1. Contracting management and use of excavated material: an original and incentive approach on the Lyon-Turin Base tunnel by Nathalie Monin
2. Lesson Learned from Design and Construction of Bored Tunnels for City Rail Link Project (CRL), by Ritesh Mahajan
3. Application in conventional tunnelling: case studies, by Etienne Garin
4. Spectral seismic design of tunnels based on numerical modelling, by Tohid Kazerani
5. Rock fracture grouting for minimizing environmental impact, by Mikael Creütz
6. Empowering out tunnelling business, moderated by Rebecca Hellby