Powering Your Electric Vehicle: Affordability Starts with Properly Engineered Geomembrane Liner Systems
Lithium is a vital battery component, and lithium-ion batteries are especially interesting because in addition to being rechargeable, they present a high-energy density and low self-discharge, which means...

Beyond the Water’s Edge: Geotechnics in the Wet
Gaining insight into the subsurface and developing an understanding of what’s hidden below ground is a key to the design and construction process. Geotechnical engineers and geologists often develop their...

The Best Places for Civil Engineers 2021
Houston, Los Angeles, and Denver top the list of the 10 best places to be a civil engineer this year — as they did last year. What’s new? Seattle and the Research Triangle area of North Carolina have slipped;...

Seismic Performance of a Deep Soil Mixing Grid: A Magnitude 7.1 Load Test at the Port of Alaska
The Port of Alaska in Anchorage (Port) has embarked on a multiphase modernization program that includes the development of a new petroleum and cement terminal (PCT) berth. The berth consists of a pile-supported...

Years of Planning for the South San Francisco Bay Shoreline Project: Now It’s Time to Build! Rapidly but Gently!
When a complicated project is completed, and you ask the engineers, "What was the most challenging part of this project?" a couple of difficulties usually come to mind. We’ve all heard war stories from...

Site Constraints Complicate a Bulkhead Replacement: It Takes a Team to Overcome the Challenges
North American Aggregates (NAA), a leading supplier of aggregates in the New York area, recently constructed a new processing facility in Perth Amboy, NJ. One of the final components of the new facility...

Reinvested Space
Over the last 12 years, the District of Columbia Public Library has undertaken the renovation and modernization of 22 libraries, including the Martin Luther King Jr. Memorial Library, arguably the most...

Design of Shoreline Protection Measures : The Importance of Geotechnical Engineering in Waterfront Design
Over the past decade, there’s been an increased realization of the need to better protect our shorelines, particularly in urban environments along coastlines that have already been impacted by storm surge...

One Park, Many Functions
The Eastern Glades project in Houston has added a new artificial lake and other amenities to the city’s Memorial Park. As a highlight of the park’s 10-year master plan, the multifunction Hines Lake provides...

Replaced with a Replica
Nearly a decade ago, a 144-year-old covered bridge in Michigan was destroyed by arson. Its recently completed replacement was designed to look as identical as possible to the original structure while meeting...

Preparing for Wind and Water
Engineers have played an essential role in preparing cities and states for the 2021 hurricane season.Their efforts to protect the public and public infrastructure range from sea walls to sewer systems,...

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...

Highway Embankment Failure on Soft Clay: Bad Input = Bad Output
Our ability to analyze and compute 2D and 3D factors of safety for embankments and slopes, including finite element and finite difference analyses, has increased greatly in the last decade. However, use...

Learning From Pile Driving Failures: Out of Sight Can't be Out of Mind
The design of driven pile foundations for static service and strength limit state loading conditions is meaningless if the piles cannot be driven to the required depth and nominal resistance without sustaining...

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...

Flexible Rockfall Barrier Post Support Performance: Deflection as a Positive Attribute
Rockfall has plagued infrastructure for centuries, whether generated by natural weathering of unaltered rock slopes or due to jointing and weaknesses in constructed rock slopes. Rockfall in the U.S. has...

Advanced Data Analytics In Geotechnics: Adapting to the Big Data Era
Everyone is talking about the impact of artificial intelligence (AI) on the future of work. In one camp are people like the industrialist Elon Musk who fear the potential evils of AI and its possible impact...

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...

Rethinking Barrier Island Restoration: Building a Resilient Louisiana Coast
Louisiana stands on the front lines of the United States’ fight against coastal erosion and land loss. A combination of rising sea levels, subsidence, wave action, human development, and sediment depravation...

Charting A Course To Resilience: Geotechnical Efforts Enhance New Jersey’s Navigation System
The New Jersey (NJ) Marine Transportation System (MTS) is comprised of roughly 500 nautical miles of engineered waterways, thousands of docks, berths, and ramps, and two internationally significant ports....

 

 

 

 

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