Cooperation Keeps Construction on Track
As with the design process, each phase of construction of the Antero Dam rehabilitation saw Denver Water, RJH Consultants Inc., HDR, the Colorado Division of Water Resources (also known as the State Engineer's...

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...

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...

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...

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...

Geotechnics of the Suez Canal Construction: 150 Years Old, but Nearly Four Millennia in the Making
Construction of the Suez Canal created one of the most important waterways in the world, connecting the Mediterranean and Red Seas. Its construction from 1854 to 1869 created three cities, Port-Said, Ismailia,...

Advances In Geosynthetic Solutions For Sustainable Landfill Design: Geosynthetics Really Do Last!
Even though geosynthetics are now a well-established discipline within geotechnical engineering, ingenuity continues to play a significant role in projects involving their use. This is because it’s possible...

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....

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...

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...

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....

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...

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...

Adventures in Managing Water
Real-World Engineering Experiences
Sponsored by the River Basin Planning, Policy, and Operations Technical Committee of the Planning and Management Council of the Environmental and Water Resources Institute of ASCEAdventures in Managing...

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....

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,...

Restoration Through Reclamation
The people of the Netherlands have a long history of reclaiming land from the sea. In one of the lasted examples, the construction of an artificial archipelago represents a remarkable collaboration among...

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...

 

 

 

 

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