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...

Did You Know? Geostrata Is 20
Spring 2000 was the first issue of Geo-Strata (now GEOSTRATA). That issue included articles on academic-industry partnerships, implementing innovative technology, marketing advice from "The Old Rainmaker,"...

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...

Downtown To DFW
The new 27.2 mi long TEXRail commuter rail line facilitates travel between downtown Fort Worth, Texas, and the busy Dallas/Fort Worth International Airport. Challenges to be overcome during the project...

Street Smarts
Sensors, cameras, and other technologies are helping cities monitor and manage their streets better. Data from such "smart streets" are enabling engineers and other transportation experts to improve safety...

Enhanced Entrance
A new, smaller road, together with an improved entrance plaza and pathways, helped revitalize key areas within Niagara Falls State Park—despite the repeated discovery of underground contamination and other...

Delivering a Masterpiece
The new Kosciuszko Bridge, also known as the K Bridge, is a twin-span, cable-stayed structure that traverses Newtown Creek, linking the New York City boroughs of Brooklyn and Queens via the Brooklyn–Queens...

Accelerating Through Adversity
As the economy slowed to a near halt this spring because of the COVID-19 pandemic, some critical civil engineering projects were completed faster than originally scheduled because of fewer vehicles on...

“Touch Screens” for Roadways: Colorado Tests Smart Pavement
A smart pavement system will be installed in Colorado that can track movement atop it, detecting, for example, when a vehicle does not successfully navigate a dangerous, remote mountain corridor....

Federal Effort Needed to Modernize Interstate Highway System, Report Says

Replacing an Icon
Since 1852, the Portage Viaduct has carried a rail line across the Genesee River Gorge, near the town of Portageville, New York. First made of timber, then replaced with a wrought iron structure after...

Teaching Cars to Drive
The Michigan-based American Center for Mobility is located at a former World War II bomber factory, later an auto plant, that was environmentally challenged after decades of industrial use. Though the...

State DOTs Will Use Grants to Study New Approaches to Highway Funding

Forever Frozen? Future Challenges for Ground
On a typical day, in a typical town, in a city almost anywhere in North America, roads and highways are filled with people going about their everyday business — commuting to work, delivering goods and...

The State of Soil Improvement in China: The G-I Soil Improvement Committee’s China Scan Tour
During the last four decades, China has made significant improvement in various sectors of its infrastructure, including high-speed railways, long-span and cross-sea bridges, large dams, long- and large-diameter...

We Struck Water! Discovery of Artesian Groundwater Solves A 50-Year-Old Landslide Puzzle
Some unstable slopes fail dramatically, but most can be characterized by gradual, if not monotonously slow, movements. Yet these latter situations can pose a dilemma when a temporary repair is much simpler...

A Faster, Cheaper, Better Way to Build a Wall: How a Simple Highway Widening Led to a Patent
When first opened in 1940, and as segments were later added to it, the Pennsylvania Turnpike (Turnpike) was principally a four-lane highway with two eastbound and two westbound lanes. As traffic volume...

Welcome to GEOSLOPE and GeoStructures, Inc.; Bechtel Reorganizes Geotechnical Group; GeoStabilization Restores a Roadway; Hayward Baker, Moretrench to Combine; Nicholson Undertakes Dam Project; S&ME Announces New Leadership

Bridging History
The Pennsylvania Department of Transportation recently rehabilitated the Frankford Avenue Bridge, also known as the Pennypack Creek Bridge. This stone-arch structure, originally built circa 1697, is the...

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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