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,"...

Tunnel Safety
As part of meeting the stringent safety requirements of the Washington State Department of Transportation (WSDOT), the State Route 99 tunnel is designed to be one of the safest ever constructed, with state-of-the-art...

A Landmark's Legacy

Bridging the Genesee River Gorge Has a Complex History
In the early 1850s, the Buffalo and New York City Railroad, a subsidiary of what would later be known as the Erie Railroad, expanded westward from the New York City area toward Buffalo, New York. As part...

“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....

Originality Built In
The new Goethals Bridge linking New Jersey and New York is a twin cable-stayed crossing that incorporates an innovative cable-stayed anchor in its towers, which angle outward to keep melting ice off the...

Double Duty
On June 8, 2018, more than 100 years after its namesake was born in the Little Harbor neighborhood of Portsmouth, New Hampshire, residents and dignitaries from New Hampshire and Maine gathered to celebrate...

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,...

Crossing the Forth
Scotland’s Queensferry Crossing spans the Firth of Forth, connecting Edinburgh and the Kingdom of Fife. Built at a cost of $1.89 billion in six and a half years, the 1.6 mi long cable-stayed bridge, with...

Civil War and Labor Strikes: The Baltimore and Ohio Railroad Martinsburg Shops
The B&O roundhouse complex in Martinsburg, West Virginia, contains key examples of America's 19th-century railroad infrastructure—and was ground zero for America's first national strike....

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...

Monumental Makeover
Visitors to St Louis's iconic Gateway Arch can now enjoy an even more monumental experience, thanks to an expanded underground museum with a new glazed entrance. The $380-million project also features...

Artificial Intelligence Boosts Engineering Tech
Artificial intelligence is boosting a variety of emerging engineering technologies, ranging from applications that record and identify archaeological remains to roadway damage and urban blight....

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...

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...

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...

A Ladder At Its Core
The ladder-core system is a novel structural system for supertall towers that was created by SOM for Tower 1 at Shum Yip Upperhills, a mixed-use development in Shenzhen, China. The system features eight...

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...

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...

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...

 

 

 

 

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