Crisis Averted
After a severe earthquake, a section of 48 in. diameter sewer pipeline located beneath a lake bed in Anchorage, Alaska, became buoyant and floated to the surface of the frozen lake. Upon detection of the...

Treasured Trestle
Perched on a rugged cliff beside a bay, the aging Water Street Trestle #2 in Ketchikan, Alaska, had to be replaced or residents would have lost access to essential city services. Designed to last 75 years...

West Virginia’s Airport In The Clouds: Response to a Massive Slope Failure at Runway’s End
Although the small and scenic Mountain State ranked 40 out of 50 in population according to a July 2017 U.S. Census Bureau estimate, it boasts seven airports. Yeager Airport (CRW), billed as "West Virginia’s...

What Does Diggs Do For Me? Better, Faster, Cheaper Is the Goal!
For the past decade, the Ohio Department of Transportation (ODOT) has been at the forefront of advancing geotechnical data management associated with its investment and leadership related to DIGGS (Data...

Seeing into the Subsurface: Harnessing Geophysics to Remotely Monitor the Condition of Earthworks
Condition assessment of geotechnical structures is essential for cost-effective maintenance and prevention of hazardous failure events. Early identification of deteriorating conditions generally allows...

Adaptive Infrastructure To Mitigate Future Climate Risk: Building Upon Our Geotechnical Engineering Heritage
It’s time to recognize that past extreme events may no longer serve as reliable proxies for the future. Current infrastructure design concepts rely on historical events, assuming temporal stationarity...

Evaluating the Energy and Carbon of Geotechnical Works: An Important Step in Developing Sustainable Designs
Engineering for sustainable development requires considering the triple-bottom-line of social, economic, and environmental factors associated with a project when developing the final design. Within geotechnical...

Correcting The Cove
The city of Naples, Florida, has helped improve water quality by developing an ecologically friendly approach to managing stormwater where it enters a small cove of Naples Bay. With its "living shoreline"...

In the Wake of the Mount Polley Mine Tailings Breach: Tailings Dam Design, Innovation, and Practice Changes
The Mount Polley tailings dam in British Columbia (BC), Canada, failed in 2014, spilling approximately 21 million m3 of water and tailings (estimated as approximately 50/50 water and tailings) into Hazeltine...

Pumping Up Flood Defenses
Completed in April 2018, the $731-million Permanent Canal Closures and Pumps project represents the final component of the overall Hurricane and Storm Damage Risk Reduction System that serves the greater...

Digital Water Cooler
To keep employees connected across geographically dispersed offices, help them share knowledge and technical resources, and just better understand their company and their clients, many engineering firms...

Infrastructure Solutions: Transit Transformation
Beset by long-term problems related to underinvestment and inadequate maintenance, the U.S. transit sector confronts challenges pertaining to funding, demographic changes, and an increasing array of new...

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....

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...

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...

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...

Infrastructure Solutions: Schools Offer Resiliency
When natural disaster strike, public K-12 school buildings are often used as emergency shelters. Yet public school infrastructure received a D+ on ASCE’s 2017 Infrastructure Report Card. There are, however,...

Micropiles Support the "Missing Link": Understanding Load Transfer in Challenging Subgrades
Authorized by Congress in 1944, the Foothills National Parkway partly traverses the foothills of the Great Smoky Mountains in Eastern Tennessee. Large sections of the parkway cross high ridges located...

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...

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...

 

 

 

 

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