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

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 upcomingcourses 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

Bilberry Reservoir collapseof 1852

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

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 Underground Hydrogen Storage, a brief look back at geotechnicalhistory, and finally, we’ll share some upcoming courses and seminars from around the globe.

Segment 1: Global Project Highlights:

Construction begins on Frankfurt’s €1.5 billion Riederwald Tunnel

https://www.globalhighways.com/news/frankfurts-eu15-billion-tunnel-project

Italy declares emergency after expanding landslide forces evacuations in Niscemi

https://www.geoengineer.org/news/italy-declares-emergency-after-expanding-landslide-forces-1500-evacuations-in-niscemi

Federal funding pause threatens halt to $16 billion Hudson Tunnel Project

https://www.newcivilengineer.com/latest/white-house-blames-imminent-construction-halt-at-nyc-16bn-hudson-tunnel-on-illegal-aliens-29-01-2026/

Dozens missing after deadly landslide strikes West Bandung, Indonesia

https://www.geoengineer.org/news/dozens-missing-following-deadly-landslide-in-west-bandung

Segment 2: Research and Tech Tools

Groundwater levels continue to decline in Denver Basin aquifers, new USGS study finds

https://www.usgs.gov/publications/groundwater-level-elevations-bedrock-aquifers-denver-basin-aquifer-system-elbert

DEM study reveals role of intermediate principal stress in tailings strength

https://cdnsciencepub.com/doi/10.1139/cgj-2025-0197

Study identifies optimal arch height for roadway stability in underground excavations

https://link.springer.com/article/10.1007/s10706-026-03636-2

Segment 3: Deep Dive Topic

Giant Underground Hydrogen Storage and the Role of Geotechnics in the Energy Transition

https://www.ngi.no/aktuelt/gigantiske-hydrogenlagre-under-bakken/

Segment 4: This Week in Geotechnical History

Eiffel Tower construction begins

https://www.geoengineer.org/on-this-day/01/28

Segment 5: Upcoming Courses & Seminars

Event links:

· https://www.ita-aites.org

· https://www.iplhq.org

· https://www.dfi.org

· https://www.isrm.net

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 Learning from Geotechnical Case Histories, 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:

Recent Nevada earthquakes highlight long-term crustal deformation risks

https://www.geoengineer.org/news/recent-nevada-earthquakes-highlight-long-term-crustal-deformation-risks

Back-to-back fatal landslides strike Tauranga, North Island, New Zealand

https://www.geoengineer.org/news/back-to-back-fatal-landslides-strike-tauranga-north-island-new-zealand

Installation of Fehmarnbelt tunnel expected to begin within months

https://www.geplus.co.uk/news/installation-of-delayed-fehmarnbelt-tunnel-expected-to-begin-within-months-23-01-2026/

Boring completed on Oslo’s E6 Clean Water Tunnel

https://www.tunnelsandtunnelling.com/news/boring-completed-on-oslos-e6-clean-water-tunnel/

Segment 2: Research and Tech Tools

Nanoresearch offers hope for greener quick clay stabilization

https://www.ngi.no/aktuelt/nanoforskning-gir-hap-om-kvikkleiresikring/

New AI-Based Model Predicts Frozen Soil Behavior

https://cdnsciencepub.com/doi/10.1139/cgj-2025-0364

Remote Sensing Boosts Landslide Hazard Analysis in Eastern Canada

https://link.springer.com/article/10.1007/s10706-026-03628-2

Fiber-Reinforced Soil for Seismic Stability

https://link.springer.com/article/10.1007/s10706-026-03629-1

Segment 3: Deep Dive Topic

Learning from Geotechnical Case Histories: 138,733 Downloads in 2025

https://www.geoengineer.org/news/138733-paper-downloads-in-2025-for-the-issmge-international-journal-of-geoengineering-case-histories

Segment 4: This Week in Geotechnical History

Cyclone Cheneso – Madagascar

https://www.geoengineer.org/on-this-day/01/19

Segment 5: Upcoming Courses & Seminars

Event links:

· https://www.icgre.org/index.html

· https://www.icsmge2026.org/en

· https://www.geoinstitute.org/events/geo-congress-2026

· https://icgecolombo2026.org/index.php

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 What Are Tieback and Soil Nail Walls, a brief look back at geotechnical history, and finally, we’ll share some upcoming courses andseminars from around the globe.

Segment 1: Global Project Highlights:

Crane collapse strikes passenger train in Thailand claiming at least 32 lives

https://www.geoengineer.org/news/crane-collapse-strikes-passenger-train-in-thailand-claiming-at-least-32-lives

Tunnelling resumes on Melbourne’s North East Link following sinkhole investigation

https://www.tunnelsandtunnelling.com/news/tunnelling-resumes-in-melbourne-after-sinkhole-investigations/?cf-view

China’s TBM rescue beneath the Yangtze

https://www.geoengineer.org/news/a-new-benchmark-for-underground-rescue-operations-chinas-tbm-rescue-beneath-the-yangtze

Low-level helicopter survey to map aquifers in eastern New Mexico and West Texas

https://www.usgs.gov/news/state-news-release/media-alert-low-level-flights-image-geology-and-aquifers-over-parts-new

Segment 2: Research and Tech Tools

Temperature-dependent soil water retention and hydraulic conductivity in biopolymer-treated soils

https://cdnsciencepub.com/doi/10.1139/cgj-2025-0756

Influence of Spatial Variability of Freezing-Sensitive Parameters on the Formation of Frozen Walls in Artificial Ground Freezing

https://link.springer.com/article/10.1007/s10706-025-03530-3

Rheological and infiltration properties of wheat straw powder-enhanced slurry for slurry shield tunneling

https://cdnsciencepub.com/doi/10.1139/cgj-2025-0589

Undrained Vertical Uplift Capacity of Bucket Foundations in Overconsolidated Clay under Two Way Cyclic Loading

https://link.springer.com/article/10.1007/s10706-025-03610-4

Segment 3: Deep Dive Topic

Tiebacks vs. Soil Nails: Geotechnical Considerations for Earth Retention

https://www.geoengineer.org/news/tiebacks-vs-soil-nails-choosing-the-right-earth-retention-solution

Segment 4: This Week in Geotechnical History

Three Gorges Dam – Yichang, China

https://www.geoengineer.org/on-this-day/01/14

Segment 5: Upcoming Courses & Seminars

Event links:

· https://compdssi.altervista.org/conferences/compdssi-2026/

· https://entouragex.com/wtc-2026-the-global-hub-for-tunneling-and-underground-innovation/

· https://entouragex.com/wtc-2026-the-global-hub-for-tunneling-and-underground-innovation

· https://www.icsmge2026.org/en/

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 16,000 m continuous TBM drive in SriLanka, 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:

Landslide at Cebu City landfill kills one, exposes waste slope stability risks

https://www.geoengineer.org/news/landslide-at-cebu-city-landfill-kills-one-exposes-waste-slope-stability-risks

Shropshire canal collapse to cost ‘millions’ as investigation continues

https://www.geplus.co.uk/news/shropshire-canal-collapse-to-cost-millions-as-investigation-continues-09-01-2026/

Magnitude 6.5 earthquake shakes Southern and Central Mexico, triggering landslides

https://www.geoengineer.org/news/magnitude-65-earthquake-shakes-southern-and-central-mexico-triggering-landslides

Omfattende laboratorieoppdrag for Sørlige Nordsjø II

https://www.ngi.no/aktuelt/omfattende-laboratorieoppdrag-for-sorlige-nordsjo-ii/

Segment 2: Research and Tech Tools

Experimental study on soil erosion induced by leakage of circumferential joints in shield tunnels

https://cdnsciencepub.com/doi/10.1139/cgj-2025-0485

Performance of a Conical Tamper for Dynamic Compaction of Low-Compressibility Silt Soil

https://link.springer.com/article/10.1007/s10706-025-03591-4

Pressure-Driven Variations in CO₂ Displacement Patterns within Heterogeneous Porous Structures

https://cdnsciencepub.com/doi/10.1139/cgj-2025-0433

Influence of Soil Fabric and Gradation on Excess Pore Water Pressure Development

https://link.springer.com/article/10.1007/s10706-025-03596-z

Segment 3: Deep Dive Topic

16,000 m continuous TBM drive sets new overseas tunnelling record in Sri Lanka

https://www.geoengineer.org/news/16000-m-continuous-tbm-drive-sets-new-overseas-tunnelling-record-in-sri-lanka

Segment 4: This Week in Geotechnical History

Tasman Bridge Disaster – Hobart, Tasmania

https://www.geoengineer.org/on-this-day/01/05

Segment 5: Upcoming Courses & Seminars

Event links:

· https://conferenceindex.org/conferences/geotechnical-engineering/germany?utm

· https://www.issmge.org/events/issrr2026?utm_

· https://internationalconferencealerts.com/eventdetails.php?id=100641732&utm

· https://www.icsmge2026.org/en/?utm

For suggestions and feedback: thisweekingeotechnics@gmail.com