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

In this episode, we’ll cover global project highlights, new tools and research, a deep-dive topic on Seismic Ground Improvement Solution, 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:

Rainfall-triggered rockfall disrupts Highway 18 in Southern California

https://www.geoengineer.org/news/rainfall-triggered-rockfall-disrupts-highway-18-in-southern-california

British Geological Survey releases suite of ten new soil reference materials

https://www.bgs.ac.uk/news/suite-of-ten-new-soil-reference-materials-released/

Four killed, 12 injured in illegal mine collapse in Monapo, Mozambique

https://www.geoengineer.org/news/four-killed-12-injured-in-illegal-mine-collapse-in-monapo-mozambique

1.5-km MT-5 tunnel breakthrough marks milestone for India’s bullet train

https://www.geoengineer.org/news/15-km-mt-5-tunnel-breakthrough-marks-milestone-for-indias-bullet-train

Segment 2: Research and Tech Tools

Grouting pipe lifting rate shown to control vacuum preloading efficiency

https://link.springer.com/article/10.1007/s10706-025-03589-y

Scientists stunned by a massive hydrothermal field off Greece

https://www.sciencedaily.com/releases/2025/12/251228020000.htm

New scaling law refines centrifuge modelling of seepage failure in gap-graded soils

https://link.springer.com/article/10.1007/s10706-025-03565-6

Initial clay structure shown to control permeability evolution

https://cdnsciencepub.com/doi/10.1139/cgj-2025-0348

Segment 3: Deep Dive Topic

Encinal High School Stadium ground improvement addresses seismic and liquefaction risk

https://www.geoengineer.org/news/encinal-high-school-stadium-ground-improvement-solution-to-address-seismicity-concerns

Segment 4: This Week in Geotechnical History

The Institution of Civil Engineers was formed

https://www.geoengineer.org/on-this-day/01/02

Segment 5: Upcoming Courses & Seminars

Event links:

· issmge.org

· efstm.com

· https://alertgeomaterials.eu/2025/10/2026-international-conference-on-computational-dynamic-soil-structure-interaction/

· https://www.issmge.org/events/8iygec

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 Rare historic alignment, 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:

1. Levee failure along Washington’s Green River

https://www.geoengineer.org/news/levee-failure-along-washingtons-green-river-highlights-flood-and-ground-stability-risks-during-atmospheric-river-events

2. Piling: Complex culvert repairs in a South Wales village

https://www.geplus.co.uk/features/piling-complex-culvert-repairs-in-a-south-wales-village-18-12-2025/

3. BGS awarded funding to support Malaysia’s climate resilience plan

https://www.bgs.ac.uk/news/bgs-awarded-funding-to-support-malaysias-climate-resilience-plan/

4. USACE tests bedrock anchors for Arkansas River low-water dam

https://www.geoengineer.org/news/usace-tests-bedrock-anchors-for-arkansas-river-low-water-dam-near-sand-springs

Segment 2: Research and Tech Tools

Now, let’s explore some exciting new research and technology shaping geotechnics.

1. Consideration of spatial variability and environmental impacts in the probabilistic design of driven piles

https://cdnsciencepub.com/doi/10.1139/cgj-2025-0414

2. Large-Scale Triaxial Tests on Dissolved-Weathered Limestone Rockfill Considering Particle Breakage

https://link.springer.com/article/10.1007/s10706-025-03538-9

3. The influence of initial structure on the evolution of permeability functions of a lean clay for a wide range ofvoid ratios

https://cdnsciencepub.com/doi/10.1139/cgj-2025-0348

4. Seismic Stability Analysis of Horseshoe Tunnels in Cohesive-Frictional Soils Using a Smoothed Radial PointInterpolation Method

https://link.springer.com/article/10.1007/s10706-025-03542-z

Segment 3: Deep Dive Topic

Geo-Hazards: Lessons from the Ground — A Call to Preserve Engineering Memory

https://www.geoengineer.org/news/call-for-papers-for-special-issue-on-geo-hazards-lessons-from-the-ground

Segment 4: This Week in Geotechnical History

https://www.geoengineer.org/on-this-day/12/15

https://www.geoengineer.org/on-this-day/12/05

Segment 5: Upcoming Courses & Seminars

Event links:

· https://www.asce.org/communities-institutes/geo-institute/events/geotechnical-earthquake-engineering

· https://www.icpmg2026.org

· https://www.issmge.org/events

· https://www.wlfoundation.org/events

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 Rare historic alignment, 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:

Highway embankment gives way in Kollam, investigation begins

https://www.geoengineer.org/news/highway-embankment-gives-way-in-kollam-investigation-begins

Roger Bullivant trials first 100% electric piling rig in the UK

https://www.soletanche-bachy.com/en/roger-bullivant-first-use-of-a-100-electric-piling-rig-in-the-uk/

Vietnam Hit by multiple landslides after extreme rainfall, intensifying the human impact

https://www.geoengineer.org/news/vietnam-hit-by-multiple-landslides-after-extreme-rainfall-intensifying-the-human-impact

VTA hosts West Portal construction site tour

https://www.tunnelsandtunnelling.com/news/vta-hosts-west-portal-construction-site-tour/?cf-view

Segment 2: Research and Tech Tools

Active Earth Pressure on Retaining Walls with Narrow Backfill Adjacent to Rock Faces

https://link.springer.com/article/10.1007/s10706-025-03533-0

Novel particle reconstruction and tracking algorithms to reveal 3D micromechanical behaviors of coral sands

https://cdnsciencepub.com/doi/10.1139/cgj-2025-0655

Creep Behavior of Soft Argillaceous-Marly Rocks Interpreted Using the PIV Method: Case Study from Tabriz

https://link.springer.com/article/10.1007/s10706-025-03544-x

Novel erosion law based on CFD-DEM simulations and its application in hydromechanical modeling of gap-graded soils

https://cdnsciencepub.com/doi/10.1139/cgj-2024-0612

Segment 3: Deep Dive Topic

‘Three norths’ set to leave England after rare historic alignment

https://www.bgs.ac.uk/news/three-norths-set-to-leave-england-and-not-return-for-hundreds-of-years/

Segment 4: This Week in Geotechnical History

1456 Central Italy earthquakes — Desemner 5, 1456

https://www.geoengineer.org/on-this-day/12/05

Segment 5: Upcoming Courses & Seminars

Event links:

· https://softsoils2026.dryfta.com/

· https://energystorageeurope.eu/event/energy-storage-summit-germany-berlin/

· https://conferenceindex.org/conferences/geotechnical-engineering

· https://isrm.net/conference

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 Great Glen Fault, 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:

Rodio Swissboring completes slope stabilization works

https://www.soletanche-bachy.com/en/mega-fraternidad-corredor-verde-rodio-swissboring-completes-slope-stabilization-works/

Kazakhstan unveils high-tech geological cluster to advance national exploration capacity

https://www.geoengineer.org/news/kazakhstan-unveils-high-tech-geological-cluster-to-advance-national-exploration-capacity

Vienna metro 3D model now spans half the city

https://www.geoengineer.org/news/vienna-metro-3d-model-now-spans-half-the-city

Paraguay-Argentina bridge plan

https://www.globalhighways.com/news/paraguay-argentina-bridge-plan

Segment 2: Research and Tech Tools

Simulation of groundwater flow in Wake County, North Carolina, 2000 through 2070

https://www.usgs.gov/publications/simulation-groundwater-flow-wake-county-north-carolina-2000-through-2070

Drained and Undrained Softening and Post-Reconsolidation Strength Recovery

https://cdnsciencepub.com/doi/10.1139/cgj-2025-0108

Experimental Investigation of Factors Influencing the Shear Behaviour of Sand–Geomembrane Interfaces

https://link.springer.com/article/10.1007/s10706-025-03545-w

Probabilistic Analysis for Large Strain Radial Consolidation of Soft Soils considering Creep

https://cdnsciencepub.com/doi/10.1139/cgj-2025-0132

Segment 3: Deep Dive Topic

Scientists gain access to ‘once in a lifetime’ core from Great Glen Fault

https://www.bgs.ac.uk/news/scientists-gain-access-to-once-in-a-lifetime-core-from-great-glen-fault/

Segment 4: This Week in Geotechnical History

1456 Central Italy earthquakes — Desemner 5, 1456

https://www.geoengineer.org/on-this-day/12/05

Segment 5: Upcoming Courses & Seminars

Event links:

· https://www.slopestability2026.com/en

· https://about.ita-aites.org/future-events/2293/world-tunnel-congress-wtc-2026

· https://www.geoss-sg.com/post/piling-and-ground-improvement-conference-2026

· https://conferenceindex.org/conferences/geotechnical-earthquake-engineering/santiago-cl

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 AI Earthquake Forecasting, 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:

Landslides and flash floods in North Sumatra kill at least 10, leave six missing

https://www.geoengineer.org/news/landslides-and-flash-floods-in-north-sumatra-kill-at-least-10-leave-six-missing

Sheet Piling Scheme Reinforces North London River Corridor

https://www.geplus.co.uk/news/ges-december-issue-covers-a-sheet-piling-scheme-along-a-north-london-river-26-11-2025/

Central Alabama Water Moves Forward With Original Lake Purdy Dam Stabilization Plan

https://www.geoengineer.org/news/central-alabama-water-signals-commitment-to-original-lake-purdy-dam-stabilization-plan

Study Explores €10–20 Billion Finland–Sweden Tunnel and Bridge Link

https://www.globalhighways.com/news/eu10-20-billion-finland-sweden-tunnel-and-bridge-link

Segment 2: Research and Tech Tools

Experimental Study Reveals How Gas Migration Triggers Failure Mechanisms in Clay Seabeds

https://cdnsciencepub.com/doi/10.1139/cgj-2025-0613

MIT Framework Reveals How Minimal Datasets Can Guarantee Optimal Engineering Decisions

https://www.geoengineer.org/news/mit-study-shows-small-targeted-datasets-can-ensure-optimal-outcomes

Interface Shear Behavior of Composite Stiffened DCM Piles: New Mechanical and Microstructural Insights

https://link.springer.com/article/10.1007/s10706-025-03518-z

Probabilistic Framework Improves Prediction of Large-Strain Radial Consolidation with PVDs

https://cdnsciencepub.com/doi/10.1139/cgj-2025-0132

Segment 3: Deep Dive Topic

AI Earthquake Forecasting: Real-Time Aftershock Prediction Transforms Seismic Hazard Response

https://www.bgs.ac.uk/news/new-research-shows-ai-earthquake-tools-forecast-aftershock-risk-in-seconds/

Segment 4: This Week in Geotechnical History

Marianna Coal Mine Disaster — November 28, 1908

https://www.geoengineer.org/on-this-day/11/28

Segment 5: Upcoming Courses & Seminars

Event links:

· https://www.issmge.org/events/21st-international-conference-on-soil-mechanics-and-geotechnical-engineering?

· https://www.icgre.org/index.html

· https://tc104-issmge.com/icpmg-2026/

· https://geoquebec2026.ca/en/

For suggestions and feedback: thisweekingeotechnics@gmail.com