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...

When AI Meets DIGGS — The Birth of a New Site Characterization Paradigm?
Drilling and sampling to obtain borehole logs, together with various in-situ testing, are usually performed to determine subsurface soil and rock profiles and their associated engineering properties. However,...

Bring Your A-GaME! and Dominate the Field [Investigation] — As Newer Technologies Mature and Are Adopted More Widely — It’s A Whole New Ball Game Out There
The Federal Highway Administration (FHWA), in collaboration with industry partners, is helping state DOTs take their existing geotechnical site characterization programs to the next level. Technologies...

Practical Aspects Of Routine Geotechnical Site Investigations — They Should Be Anything But Boring!
It’s likely that on any given day there are hundreds of geotechnical site investigations in progress in North America alone. While many of these investigations are carried out in support of large projects,...

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...

Seismic Success
An innovative seismic retrofit has prepared the nearly 90-year-old Robert A. Young Federal Building in St. Louis for the future. Despite extensive work within the 1 million sq ft structure, the building...

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...

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...

Test Your Soil Models Against the Case Data Base

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...

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...

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...

Carbon Composites Make Their Way from the Lab to the Field

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...

Tall Building Seismic Safety Report Released

Novel Computing Techniques Aid First Responders; Connected Vehicles Can Predict Flooding; Robotic Device Detects Leaks in Plastic, Metal Pipes; Sound Used to Manage Landfill Gas Collection
New developments in disaster response, rainfall tracking, water-leak detection, and landfill gas collection are highlighted....

Designed for Durability
The Marc Basnight Bridge, completed in February, carries North Carolina Highway 12 over the Oregon Inlet, an area that is one of the most dynamic and dangerous inlets on the Atlantic Coast. At 2.8 mi long,...

Dried Lakes Do Tell Tales: Seismic Soil Amplification in Mexico City
Mexico City is a vibrant, urban metropolis — a living and breathing example of an "old layered city," where past civilizations coexisted with one another. Standing more than 2.2 km above sea level, surrounded...

 

 

 

 

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