A Place for Penguins
The Detroit Zoo’s Polk Penguin Conservation Center has created a habitat for Antarctic and subantarctic penguins designed to match their natural environment to the fullest extent possible. In addition...

Assessing Infrastructure’s True Costs
Life cycle cost analysis can help engineers make decisions about materials and design that in turn will affect the operating and maintenance costs of infrastructure over the long term. This data-driven...

Powerful Upgrade
As the northeastern United States moves forward in developing offshore wind energy, marine infrastructure will be required to meet the logistical needs associated with receiving, storing, and preparing...

Parallel Line
The Manahawkin Bay Bridge carries Route 72 from the mainland of Ocean County, New Jersey, to the seaside destination of Long Beach Island. Since the route is the only vehicular link to the island, the...

Making Buildings Move
Advances in mechanization and power electronics have helped to make retractable roofs and large operable walls and doors more practical and efficient to build. In recent years, architects and engineers...

Ready To Move Forward
ASCE’s 2017 Infrastructure Report Card has been released, with mixed results. The overall grade for the nation’s civil infrastructure has remained the same since the last report card, in 2013—a dismal...

Designing a District
Four creatively designed buildings have recently opened in a new district in Miami Beach, Florida. Faena Forum, Faena Bazaar, Faena Park, and Faena Hotel Miami Beach grace a neighborhood that is the first...

Dream Big: Behind the Engineering
In partnership with MacGillivray Freeman Films and the Bechtel Corporation, ASCE will premiere the film Dream Big: Engineering Our World in giant-screen theaters...

Walking on Air
Rising from a beach on the southeast coast of the United Kingdom is the 162 m tall British Airways i360, considered the tallest observation tower in the world to feature a movable level as well as the...

The Ups and Downs of Drone Inspections
Minnesota recently completed a trial using unmanned aircraft systems to inspect bridges. They found that the drones have their advantages—and disadvantages....

Tapping into the Pacific
In its first year of operations, the 54 mgd Claude “Bud” Lewis Carlsbad Desalination Plant, in Carlsbad, California, has greatly boosted the volume and reliability of San Diego’s local water supplies....

The Engineering Economy, 2017
The economy grew in 2016, and overall, the rate of growth in the architecture, engineering, and construction professions was in line with predictions. But there were genuine surprises in certain markets...

Emergency Retaining Wall Replacement: The East 26th Street Slide Repair in Baltimore, MD
During a record rainfall on April 30, 2014, a century-old, stone retaining wall between a dense urban roadway (26th Street) and the CSXT railroad track in Baltimore, MD, failed. The stone retaining wall...

Highway Retaining Walls are Assets: A Risk-Based Approach for Managing Them
Throughout history, retaining walls (RWs) have served a vital role in supporting civil infrastructure. The ruins of dry stone walls that purportedly supported the hills and slopes of ancient Rome can be...

Soil Nailing in the 2010s: Its Evolution and Coming of Age
While the early 2000s witnessed soil nailing as a well-established method in the U.S. for providing temporary and permanent support of excavation (SOE), the technique has since continued to evolve thanks...

Stabilizing Variable and Sloping Ground: Achieving Innovation Through Adaptation
We all know the high price of land development these days, so it's more important than ever for owners and their designers to maximize available land area. Occasionally, this demand is constrained by topography...

Nature Sides with the Hidden Flaw: Lessons Learned from Failures of Earth-Support Systems
In recent years, the demand for excavations and fills of significant height has increased due to many factors, including requirements for below-grade parking for urban buildings and the need to construct...

Post-Earthquake Reconnaissance Using Digital Imagery
A Bird's-Eye View
Over the last decade, remote sensing has played an increasing role in geotechnical earthquake reconnaissance through the use of satellite imagery, LIDAR, and unmanned aerial vehicles (UAVs). These techniques...

The 2010-2011 Canterbury, New Zealand, Earthquake Sequence
Impetus for Rethinking the Way We Evaluate and Mitigate Liquefaction
Liquefaction is a common cause of ground failure during earthquakes and is directly responsible for tremendous damage to infrastructure. Evidence of the impact of liquefaction includes failure of bridge...

You Designed It for the Big One, Right?
Illustrating and Communicating Uncertainty in a Deterministic Seismic Hazard Analysis
In seismic regions of the U.S. and worldwide, engineers design structures to withstand seismic ground motions resulting from a large, rare earthquake. But definitions of "large" and "rare" depend on who...

 

 

 

 

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