Design Details
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...

Go Online, Young Engineer!
One stereotype involving social intranets might be that younger engineers will use such systems more quickly or enthusiastically than older engineers—perhaps because the young engineers have grown up using...

Lava Tubes as Resilient Extraterrestrial Habitats: An Option For A Permanent Human Settlement Beyond Earth
The design, construction, and maintenance of safe and comfortable habitations are some of humankind’s oldest and most important activities. Millennia of experimentation and planning have led to earthly...

Crossing Grand Canyon: The Kaibab Trail Suspension Bridge
Recently named a national historic civil engineering landmark in ASCE's Historic Civil Engineering Landmark Program, the 1928 Kaibab Trail Suspension Bridge proved uniquely challenging to access, spanning...

Next-Generation Drones Bolster Bridge Inspections
A preflight, flight, and postflight drone system saves time and money in bridge inspections. It can also create a digital "twin" of bridges....

Next-Generation Sonar Improves on Best Existing Technology
A sonar system capable of visualizing underwater environments in real time can be used for underwater bridge inspections and other construction-related tasks....

Storage for One More Century
Since its completion more than a century ago by a previous owner, Denver Water's Antero Dam has experienced seepage problems, forcing the utility to limit the storage capacity of the associated reservoir....

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....

Delivering Olmsted Lock and Dam
The Olmsted Locks and Dam, the largest civil works project by the US Army Corps of Engineers since the Panama Canal, became operational in August 2018. More than 30 years in the making, the $3-billion...

Uplifted
The new Fore River Bridge, near Boston, leaves more room vertically and horizontally for passing ships, and its lift towers employ several cost-saving innovations....

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...

An Evolving Alignment
As it pursued its plans to design and construct a critical sewer pipeline, the city of Springfield, Ohio, had to make numerous changes to the project's complex alignment to address the concerns of multiple...

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...

Building on a Legacy
The new Statue of Liberty Museum is the most substantial development to break ground on Liberty Island since 1886 when its namesake debuted. The 26,000 sq ft facility introduces 15,000 sq ft of exhibition...

What Lies Ahead?
How will trends in climate change, alternative energy, high-tech construction, autonomous vehicles, smart cities, and public funding affect communities, infrastructure, and the practice of civil engineering...

Arena of Books
The new Qatar National Library features a folded design with cantilevered corners on the exterior, while inside, an enormous single space for reading or socializing offers terraces stacked with bookshelves....

Shoddy Record-Keeping Costs Contractor Its Delay Claim
A recent case in the District of Columbia demonstrates that detailed and contemporaneous records are necessary if a contractor wishes to seek recourse for project delays....

Force of Nature: The Boundary Layer Wind Tunnel Laboratory
The Boundary Layer Wind Tunnel in Ontario, Canada, pioneered the field of wind engineering and improved a generation of thin and light bridges and towers....

Are Prescriptive Specifications in Design/Build Contracts Traps for the Unwary?
This month’s case, Appeal of American West Construction LLC, examines how one government board viewed the issue of prescriptive specifications in design/build contracts....

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,...

 

 

 

 

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