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...

What’ll They Think of Next? Dewatering Contaminated Slurries Using Geotextile Tubes
Sediment must be dredged from the bottom of waterbodies to maintain their capacity and navigability. Dredging, by its nature, involves the removal of highwater-content slurries and also helps preserve...

Failure Has Consequences

Report Assesses Performance—and Future Research Needs—Of Fiber-Reinforced Composite Systems

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...

Nebraska Dam Failure Highlights Dangers of Ice Runs, Report Says

Michigan Dam Failures Prompt Investigations, Lawsuits, and Safety Concerns

Back in Action
At one of Northern Virginia’s most complex and notoriously congested intersections, the superstructure of a critical highway overpass was demolished, removed, and replaced in a single weekend. The design’s...

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...

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...

Correction to "Highway Embankment Failure on Soft Clay — Bad Input = Bad Output"

Embankment, Dams, and Slopes (EDS) Technical Committee Performs Reconnaissance on Dam Failures

Carbon Composites Make Their Way from the Lab to the Field

The Genoa Approach
The Morandi Bridge (formally known as the Polcevera Viaduct) was more than just a critical part of the infrastructure of Genoa, Italy; it was part of the fabric of the city itself. When the bridge partially...

Composite Special Moment Frames
Wide Flange Beam to Concrete-Filled Steel Column Connections
Prepared by the Composite Construction Committee of the Metals Technical Administrative Committee of the Structural Engineering Institute of ASCEComposite Special Moment Frames: Wide Flange Beam to Concrete-Filled...

Rapid Recovery
In May 2017, the California Department of Transportation had to contend with a massive landslide that closed a section of the iconic State Route 1 through central California’s scenic coastal region of...

 

 

 

 

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