Beyond the Water’s Edge: Geotechnics in the Wet
Gaining insight into the subsurface and developing an understanding of what’s hidden below ground is a key to the design and construction process. Geotechnical engineers and geologists often develop their...

Seismic Performance of a Deep Soil Mixing Grid: A Magnitude 7.1 Load Test at the Port of Alaska
The Port of Alaska in Anchorage (Port) has embarked on a multiphase modernization program that includes the development of a new petroleum and cement terminal (PCT) berth. The berth consists of a pile-supported...

The investigations: The World Trade Center towers
On Aug. 21, 2002, the National Institute of Standards and Technology announced it would conduct a building and fire safety investigation of the World Trade Center disaster. This investigation was conducted...

The investigations: The Pentagon
On the day that terrorists attacked the World Trade Center and the Pentagon, ASCE and its Structural Engineering Institute established a group of volunteers, known as the building performance study, or...

The impact: A World Changed
On Sept. 11, 2001, the world changed and with it so did the civil engineering profession. Over the two decades that followed, engineers and designers have worked to redesign, rebuild, and remember what...

From the Ashes: One World Trade Center

From the Ashes: New World Trade Center Towers

From the Ashes: The Memorials

From the Ashes: The Pentagon Renovation

A Remembrance: The World Trade Center Towers and the Engineers Who Designed Them

An Academic Safety challenge
The civil engineering curriculum in colleges and universities across the United States needs to include information on workplace safety, argued expert panelists during a recent roundtable discussion. Panelists...

Material Difference
It was only fitting that the design of a center dedicated to the visual arts on the campus of Franklin & Marshall College feature an interplay of materials — from glass and concrete to steel and...

Technical Activities Update

Amusement Industry Geotechnics: The Ups and Downs of Roller Coasters, Ferris Wheels, and Zip Lines
Wooden coasters have existed for over a century, steel coasters about the same. For as long as coasters have been around, so have coaster enthusiasts, some of whom purport the concept of negative g’s....

Wings Over Washington Flying Theater: The Greatest Show in the Air and Over the Water
Wings Over Washington is a new state-of-theart flying theater that simulates the feeling of soaring with a bald eagle over the Washington State landscape....

Mercedes-Benz Stadium and Its Unique Camera Aperture-style Retractable Roof: A Collaborative Approach to Myriad Foundation Support Systems
The multiuse Mercedes-Benz Stadium, home to the NFL’s Atlanta Falcons and MLS’s Atlanta United soccer teams, opened in 2017 and is used as a sports facility and major entertainment venue (Figure 1). With...

Intergalactic Soil Nails: Excavation Support for the Deep Space Auditorium
A software company based outside Madison, Wis., had a need for an auditorium as part of its campus expansion in 2011. The 829,000-sq-ft, 11,400-seat "Deep Space" auditorium was to be built underground,...

The SoFi Stadium Perimeter Wall: A Retaining Wall Helps Avoid Encroaching on LAX Airspace
SoFi Stadium, one of the two newest venues in the National Football League, opened in September 2020 after breaking ground in November 2016. The stadium hosts NFL games for the Rams and Chargers, and will...

Subsurface Utility Engineering and Megaprojects: Avoiding Underground Conflicts Helps Speed Project Delivery
Experienced project owners realize that utility conflicts can be risky and pose unexpected impacts on the cost and delivery of projects, especially in urban settings. To help overcome these impacts, Subsurface...

Megaproject Monitoring by Satellite — InSAR-based Settlement-time History: Measuring Hundreds of Thousands of Points, Several Times a Month, Across an Entire City
Satellite-based interferometric synthetic aperture radar, or InSAR, has gained unequivocal importance as a routine and precise monitoring method for large and small areas alike. Historical datasets allow...

 

 

 

 

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