Life-Cycle Design, Assessment, and Maintenance of Structures and Infrastructure Systems
Prepared on behalf of the Task Group 1 on Life-Cycle Performance of Structural Systems Under Uncertainty of the Technical Council on Life-Cycle Performance, Safety, Reliability and Risk of Structural Systems...

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...

The Transcona Grain Elevator Failure Revisited: A Modern Perspective a Century Later
More than a century ago, a seminal event in the then world of foundation engineering took place in Winnipeg, Manitoba, Canada, when the mat-foundation-supported Transcona Grain Elevator underwent catastrophic...

A Combo Foundation Does the Job: Piled-Raft Foundation Design for a Supertall Skyscraper
Lotte World Tower is a 123-story, 555-m supertall skyscraper with a 6-level basement for retail and car parking located at Jamsil-dong in Seoul, South Korea. (Editor’s Note: For additional information,...

Failures Inspire Progress: Protecting Sensitive Buildings from Tunnelling
Tunnelling in urban areas is always a challenge, and it’s especially so when construction is proximate to densely populated districts. Such was the case on January 25, 2005, when a 10-m length of a Barcelona...

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...

Robotic System Creates Affordable, Innovative Concrete Formwork
A team based in Denmark has created a robotic system capable of economically and quickly carving formwork for unusually shaped concrete structures....

Tied Together
The replacement of the John Greenleaf Whittier Memorial Bridge was one of the signature projects of the Massachusetts Department of Transportation's $3-billion accelerated bridge construction program....

Design Details (part of "Uplifted")
In all projects, the interconnectivity of each component is important. A movable bridge is an especially complicated structure that is exposed to an array of dynamic movements and transient loading conditions...

Training for Disaster
The structural complexes used to train first responders must accommodate a wide range of theoretical and practical learning. From classroom spaces to built-to-burn assemblies to buildings within buildings,...

Turn for The Better
The Johnson Street Bridge has served as a critical link to the city of Victoria, British Columbia, Canada, for many years. A single-leaf bascule bridge that is functional and visually appealing replaced...

Energy Star
The recently opened corporate headquarters of United Therapeutics is one of the largest net-zero energy office buildings in the world. Geo-exchange wells, an earth labyrinth, natural ventilation, and electrochromic...

Mixed Foundations Resolve Complex Conditions
A 46-story residential tower currently under construction in downtown Boston abuts an existing parking garage, necessitating extreme care to ensure its stability amid tight space constraints. Part of the...

Skinny 'Scrapers
Incredibly slender towers are rising around the globe into the skylines of major cities, especially New York City. Often targeted at the wealthy who are able to pay astronomical price for spectacular views,...

Real-Time Tools Enable Real-Time Safety Decisions
A sensor-based system has been developed to make it possible to immediately access a building after an earthquake to determine of the structure is safe to occupy....

Doubling Down on History
The developers of a casino in Springfield, Massachusetts, preserved the facades, ornaments, and structural elements of several historical buildings—including a hotel visited by James K. Polk, the 15th...

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...

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...

Preserving the Rotunda (part of "Restored & Revived")
Over the years, rainwater had leaked through joints in the dome and roof of the Minnesota State Capitol, damaging the stone, plaster, windows, and decorative paint in the building's vast and gorgeous rotunda....

Restored & Revived
A multidisciplinary restoration project returned the iconic Minnesota State Capitol to its original stature while updating architectural and engineering systems for 21st-century functions. Weaving state-of-the-art...

 

 

 

 

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