In this episode, we’ll cover global project highlights, new tools and research, a deep-dive topic on Section 122 Tariffs & Construction Cost, a brief look back at geotechnical history, and finally, we’ll share some upcoming coursesand seminars from around the globe.

Segment 1: Global Project Highlights:

Furtherdelays for Colombia’s Toyo Tunnel

https://www.globalhighways.com/news/further-delays-colombias-toyo-tunnel

BritishConstruction and Infrastructure Awards open for entrie

https://www.ice.org.uk/news-and-insight/news-and-blogs/ice-blog/british-construction-and-infrastructure-awards-open-for-entries

Yourviews wanted – developing a ‘Geothermal energy subsurface data portfolio

https://www.bgs.ac.uk/news/your-views-wanted-developing-a-geothermal-energy-subsurface-data-portfolio/

Kan klimagasser bli til stein på land? Norskforskningsprosjekt kan bli paradigmeskifte for lagring av CO2

https://www.ngi.no/aktuelt/kan-klimagasser-bli-til-stein-pa-land/

Segment 2: Research and Tech Tools

MetalCorrosion in the Vadose Zone: Effects of Moisture Cycles and Active EvaporationConditions

https://cdnsciencepub.com/doi/10.1139/cgj-2026-XXXX

DrainedResidual Strength of Texcoco Clays Under Different Testing Conditions

https://doi.org/10.1007/s10706-025-03603-3

Pore-WaterPressure Definition for a Levee Stability Analysis https://www.geoengineer.org/news/pore-water-pressure-definition-for-a-levee-stability-analysis

RefinedInterpretation of Plasticity Index of Marine Soft Clays from CPTu Data forOffshore Site Characterization

https://cdnsciencepub.com/doi/10.1139/cgj-2026-XXXX

Segment 3: Deep Dive Topic

Section122 Tariffs Leave Construction Cost Exposure Largely Intact
https://www.enr.com/articles/section-122-tariffs-leave-construction-cost-exposure-largely-intact

Segment 4: This Week in Geotechnical History

Kopru Dam failure
https://www.geoengineer.org/on-this-day/02/24

Segment 5: Upcoming Courses & Seminars

Eventlinks:

· https://www.geosyntheticssociety.org

· https://www.isfog2026.org

· https://www.groundimprovement2026.com

· https://www.icse-conference.org

For suggestions and feedback: thisweekingeotechnics@gmail.com

In this episode, we’ll cover global project highlights, new tools and research, a deep-dive topic on Helical piles vs concrete foundations for communicationtowers, 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:

Shanghai Metro works site sealed after sinkhole opens at Qixin Road

https://www.geoengineer.org/news/shanghai-metro-works-site-sealed-after-sinkhole-opens-at-qixin-road

First tunnel excavation completed on Messina-Catania railway

https://www.tunnelsandtunnelling.com/news/first-tunnel-excavation-completed-on-messina-catania-railway/

Coastal path section lost after major landslip at Stonebarrow

https://www.geoengineer.org/news/coastal-path-section-lost-after-major-landslip-at-stonebarrow

Multiple sinkholes trigger emergency in Phillipsburg after dump truck collapse

https://www.geoengineer.org/news/multiple-sinkholes-trigger-emergency-in-phillipsburg-after-dump-truck-collapse

Segment 2: Research and Tech Tools

Strength and stiffness of DSM Columns in Clayey/Sandy Soils: Analytical, Experimental, and Full-scale Field-based Investigations

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

Hydro-Mechanical Numerical Analysis of Fault Reactivation Considering Fault-Zone Architecture in Clastic Reservoirs

https://doi.org/10.1007/s10706-026-03647-z

Artificial intelligence strategy for the U.S. Geological Survey

https://doi.org/10.3133/cir1562

Rock mass grade recognition of TBM tunnel based on multi-feature extraction, compression, and LightGBM

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

Segment 3: Deep Dive Topic

Helical piles vs concrete foundations for communication towers
https://www.geoengineer.org/news/helical-piles-vs-concrete-foundations-for-communication-towers

Segment 4: This Week in Geotechnical History

Granduc Mine disaster

https://www.geoengineer.org/on-this-day/02/18

Segment 5: Upcoming Courses & Seminars

Event links:

· https://www.geocongress.org

· https://www.ecsmge.org

· https://www.ita-aites.org

· https://www.sut.org

For suggestions and feedback: thisweekingeotechnics@gmail.com

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