In this episode, we’ll cover global project highlights, new tools and research, a deep-dive topic on Gigaton-scale CO₂ storage beneath the seabed, a brief look back at geotechnical history, and finally, we’ll share some upcoming courses and seminars from around the globe.

Segment 1: Global Project Highlights:

Heavy rain triggers 200-metre landslide on Ionian Motorway, Greece

https://www.geoengineer.org/news/heavy-rain-triggers-200-metre-landslide-on-ionian-motorway

Dubai Loop project moves forward with pilot tunnelling phase

https://www.tunnelsandtunnelling.com/news/dubai-loop-project-moves-forward/

At least 200 dead following mine shaft collapse in eastern DR Congo

https://www.geoengineer.org/news/at-least-200-dead-following-mine-shaft-collapse-in-rebel-held-eastern-congo

Funding secured to mitigate ground risk in UK construction sector

https://www.bgs.ac.uk/news/funding-secured-to-help-mitigate-ground-risk-in-uk-construction-sector/

Segment 2: Research and Tech Tools

Numerical study links construction stress release to tunnel seismic performance

https://link.springer.com/article/10.1007/s10706-026-03640-6

Seasonal temperature cycles linked to progressive backfill failure behind integral bridge abutments

https://cdnsciencepub.com/doi/10.1139/cgj-2025-0823

Marine clay shows distinct mechanical behaviour under plane strain conditions

https://link.springer.com/article/10.1007/s10706-026-03639-z

Unloading-induced cracking mechanisms identified in shield tunnel linings

https://cdnsciencepub.com/doi/10.1139/cgj-2025-0855

Segment 3: Deep Dive Topic

Gigaton-scale CO₂ storage beneath the seabed – ensuring the seal holds

https://www.ngi.no/aktuelt/skal-lagre-milliarder-av-tonn-co-under-havbunnen/

Segment 4: This Week in Geotechnical History

https://www.geoengineer.org/on-this-day/02/05

Segment 5: Upcoming Courses & Seminars

Eventlinks:

· https://www.geocongress.org

· https://www.ecsmge.org

· https://www.ita-aites.org

· https://www.sut.org

For suggestions and feedback: thisweekingeotechnics@gmail.com