Your Numerical Model Begins at the Site Investigation — Phase Improving the Suitability of Numerical Geotechnical Modeling
The success of an advanced geotechnical numerical analysis depends foremost on a thorough geologic and geotechnical understanding of the site, and thus the geometric definition and adequacy of input parameters...

Failure Has Consequences

Risk in Geotechnical Practice: Geotechnical Judgment
People use judgment in every aspect of their lives. We rely on our judgments to make decisions that can have consequences from small to large on ourselves and on others, sometimes with life-threatening...

Risk in Geotechnical Practice: Dealing With Uncertain Ground
Tools for identifying and managing risk in geotechnical engineering projects. Risk is an inherent component of all types of projects, no matter the size or discipline. Geotechnical engineering projects...

Soil Sampling at Sword Beach in Normandy, France, 1943: How Geotechnical Engineering Influenced the D-Day Invasion
When the World paused last summer to remember the 75th anniversary of D-Day, many of us were gripped by stories, both heroic and horrific, told about the Allied invasion of Normandy’s beaches. One of these...

Big Steps for Mankind: Extraterrestrial Sampling and Exploration 50 Years after Apollo 11
Between June 1966 and January 1968, four Surveyor missions successfully landed on the Moon, collecting invaluable scientific data required to support the coming manned Apollo missions. Central to the goals...

Best Practices For Geotechnical Site Characterization: Have We Regressed from Decades Past?
The objective of a geotechnical site-characterization program is to determine soil and rock stratigraphy, in-situ pore water pressure conditions, and soil and rock properties for analysis and design of...

Nebraska Dam Failure Highlights Dangers of Ice Runs, Report Says

Michigan Dam Failures Prompt Investigations, Lawsuits, and Safety Concerns

Geo-Forensics — Lessons Learned From Dam Failures

West Virginia’s Airport In The Clouds: Response to a Massive Slope Failure at Runway’s End
Although the small and scenic Mountain State ranked 40 out of 50 in population according to a July 2017 U.S. Census Bureau estimate, it boasts seven airports. Yeager Airport (CRW), billed as "West Virginia’s...

Highway Embankment Failure on Soft Clay: Bad Input = Bad Output
Our ability to analyze and compute 2D and 3D factors of safety for embankments and slopes, including finite element and finite difference analyses, has increased greatly in the last decade. However, use...

Learning From Pile Driving Failures: Out of Sight Can't be Out of Mind
The design of driven pile foundations for static service and strength limit state loading conditions is meaningless if the piles cannot be driven to the required depth and nominal resistance without sustaining...

In the Wake of the Mount Polley Mine Tailings Breach: Tailings Dam Design, Innovation, and Practice Changes
The Mount Polley tailings dam in British Columbia (BC), Canada, failed in 2014, spilling approximately 21 million m3 of water and tailings (estimated as approximately 50/50 water and tailings) into Hazeltine...

Flexible Rockfall Barrier Post Support Performance: Deflection as a Positive Attribute
Rockfall has plagued infrastructure for centuries, whether generated by natural weathering of unaltered rock slopes or due to jointing and weaknesses in constructed rock slopes. Rockfall in the U.S. has...

Advanced Data Analytics In Geotechnics: Adapting to the Big Data Era
Everyone is talking about the impact of artificial intelligence (AI) on the future of work. In one camp are people like the industrialist Elon Musk who fear the potential evils of AI and its possible impact...

Our Geobusiness Future: BIG DATA, MACHINE LEARNING, AND AI
Have you ever stared out the window wondering how your company will operate in the future? What will your clients want? What will your team need? The Geoprofessional Business Association (GBA) convened...

A SAR Is Born: How a Cold War Era Technique Is Reinventing Deformation Monitoring from Earth’s Orbit
The space race gave birth to a remote sensing technique known as synthetic aperture radar (SAR) that could be used for everything from tracking militaries to mapping the surface of the moon, all the while...

What Does Diggs Do For Me? Better, Faster, Cheaper Is the Goal!
For the past decade, the Ohio Department of Transportation (ODOT) has been at the forefront of advancing geotechnical data management associated with its investment and leadership related to DIGGS (Data...

Seeing into the Subsurface: Harnessing Geophysics to Remotely Monitor the Condition of Earthworks
Condition assessment of geotechnical structures is essential for cost-effective maintenance and prevention of hazardous failure events. Early identification of deteriorating conditions generally allows...

 

 

 

 

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