Seequent, The Bentley Subsurface Company's Enable True Ground-Informed Design in Civil 3D with OpenGround begins on Jul 7th 2026
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Scripting in RS3: Your Tunnel Liner Results, On Demand

What if checking every section along your tunnel took less time than making a coffee? Tunnel lining design is not painful during the analysis stage – the work gets bogged down afterward. Once RS3 has...

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Geotechnical modeler replacement: making the subsurface part of your Civil 3D design with GeoDin Ground

If you design infrastructure in Autodesk Civil 3D and you have outgrown manual borehole imports, the most complete option available today is GeoDin® Ground - a free app on the Autodesk App Store that...

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Landslide and liquefaction mapping becomes critical after major quakes

Recent major earthquakes in Venezuela and the southern Philippines have highlighted an important lesson in disaster response: the most serious impacts are not always visible in the first images of col...

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Polcevera ventilation tunnel completed for Italy’s Terzo Valico project

Excavation has been completed on the 2 km Polcevera ventilation tunnel, a key underground element of Italy’s Terzo Valico dei Giovi and Genoa Junction railway project. The tunnel forms part of a wider...

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Venezuela earthquakes leave hundreds dead as rescue teams search collapsed buildings

Venezuela has declared a state of emergency after two powerful earthquakes struck the country, causing severe damage around Caracas and the coastal state of La Guaira. The earthquakes hit shortly afte...

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Industry Section

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Keller's feature article in Foundation Drilling Magazine

Samuel DeMott and Matt Redfern have written a feature story in May/June's issue of ADSC Foundation Drilling Magazine discussing the California High-speed Rail Dutch John Cut and Cole Slough Bridge Fou...

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Streetlight Foundation Design: ASD vs. LRFD Explained

Streetlight foundations in North America have historically been designed using Allowable Stress Design (ASD) methods, primarily in accordance with the AASHTO Standard Specifications for Structural Sup...

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Joining 44 other members of the Class of 2026, John Wolosick will be inducted during the NAC’s Annual Meeting in September.

Founded in 1999, the National Academy of Construction (NAC) recognizes industry leaders who have made outstanding, long-term contributions to the construction field and works to advance the industry t...

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Inter Helix Spacing: A Historical and Technical Review

In today’s world of smartphones, cloud computing, and autonomous vehicles, helical piles and anchors hardly qualify as cutting‑edge technology. Yet this seemingly simple product continues to play a cr...

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Stop Guessing, Start Designing: Introducing Support Designer in Slide2

Design with Confidence, Not Iteration Instead of manually iterating toward a workable solution, Support Designer now enables engineers to define a target factor of safety and let the software calculat...

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New connector aims to reduce downtime and enhance safety in floating offshore wind farms

Floating offshore wind is advancing quickly, but one of its practical challenges remains the safe and efficient connection of dynamic power cables in open sea conditions. A new approval milestone for...

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Education

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Levels of Analysis Used in Retaining Wall Design

The analysis of retaining structures is commonly approached in three progressively more advanced levels, depending on the complexity of the wall system, the ground conditions, and the need to predict...

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Pore Pressure and Retaining Wall Drainage

The Critical Role of Groundwater Water is the single most destructive element in retaining wall stability analysis. While designers account for the dry unit weight (γd) or saturated unit weight (γsa...

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Tutorial of finding the required depth of embedment of a sheet pile retaining wall using the global factor of safety and the Eurocode 7 approach

A cantilever sheet pile wall supporting a 3.5 m deep excavation in dry sand (γdry = 15.3 kN/m³, φ′ = 35°, c′ = 0) is to be constructed. Determine the required depth of embedment.     1. By using the...

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Sheet Pile Wall Design

A sheet pile wall is a line of interlocking thin wall elements driven into the ground to form a continuous barrier that can retain soil and/or water. Stability comes from penetration below the exc...

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Tutorial Exercise

Design for a cantilever retaining wall supporting 3.0 m of dry sand backfill. The wall has a 3.20 m base (1.00 m toe, 1.90 m heel), a 0.30 m thick stem, and a 0.45 m thick footing; concrete unit wei...

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Geotechnical Stability Analysis of Retaining Walls

The geotechnical stability of a retaining structure is assessed using limit equilibrium methods, which determine the ratio of available resisting forces/moments to the driving forces/moments. This ra...

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Lateral Earth Pressure States and Coefficients

Introduction to Lateral Earth Pressure Soil, unlike a true fluid, exhibits both density and internal friction (φ) and cohesion (c). Consequently, the pressure it exerts horizontally on a retaining s...

Books

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Geotechnical Earthquake Engineering

This fully updated second edition provides an introduction to geotechnical earthquake engineering for first-year graduate students in geotechnical or earthquake engineering graduate programs with a l...

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2024 Geotechnical Business Directory

This unique annual business directory is published by GeoWorld, the professional network for geotechnical engineers, which currently includes 37,000+ professionals and 1,000+ companies and organizatio...

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2025 Special Edition USA & Canada Geotechnical Business Directory

This unique annual business directory is published by GeoWorld, the professional network for geotechnical engineers, which currently includes 40,500+ professionals and 1,100+ companies and organizatio...