Making It Work: Up and Over
Located at the heart of Salt Lake City's financial district, 111 Main is a 24-story, 501,455 sq ft Class A office tower that anchors a larger urban redevelopment project in the area....

Double Duty: Approach Structures
The new Sarah Mildred Long Bridge, which connects the cities of Kittery, Maine, and Portsmouth, New Hampshire, features precast, posttensioned concrete, segmental box girder approaches in a stacked configuration...

Landslides Driven by Extreme Events: Can We Learn More from More of Them?
Extreme events, such as earthquakes, hurricanes, or major storms, typically cause thousands of landslides in mountainous topography over the course of minutes to hours (Figure 1). In the last few years...

Dried Lakes Do Tell Tales: Seismic Soil Amplification in Mexico City
Mexico City is a vibrant, urban metropolis — a living and breathing example of an "old layered city," where past civilizations coexisted with one another. Standing more than 2.2 km above sea level, surrounded...

A New Approach to Mitigate Subsidence Problems: A New Approach to Mitigate Subsidence Problems
Mexico City has a decades-old problem with severe consequences: its lacustrine zone is subsiding due to pumping of potable water from the main aquifer. The geotechnical team assigned to work on the problem...

Geotechnical Aspects Of Coastal Impacts During Hurricanes Harvey And Irma: Logistical and Technical Challenges During Reconnaissance
As designers and managers for society’s infrastructure, civil engineers, including the geotechnical community, must understand and predict the most severe expected loadings from physical or environmental...

Geo-Resilience By Soil Improvement: Contrasting the Performance of Two Embankments during a Megathrust Mw 7.8 Earthquake
The west coast of Ecuador forms the eastern side of the Pacific "ring of fire" along the Nazca tectonic plate boundary (Figure 1). The epicenter of the Ecuador earthquake on April 16, 2016 (Mw 7.8), was...

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...

Connecting Continents: Challenges of the Eurasia Tunnel in Istanbul
The Eurasia Tunnel, the first bored tunnel crossing of the Istanbul Strait (Bosphorus) in Istanbul, Turkey, is a site that presents many unique challenges, including very poor ground conditions, unusually...

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...

Designing Secret Cities
Before the U.S. government could develop the first atomic bombs in World War II, it first had to design and construct three “secret cities” at which that work would be completed. Created almost entirely...

Embracing Disruption
The benefits of strategically embracing technology research and development within architecture, engineering, or construction companies’ business models are varied. But at its core, doing so can enable...

Bridging the Genesee River Gorge Has a Complex History (part of "Replacing an Icon")
In the early 1850s, the Buffalo and New York City Railroad, a subsidiary of what would later be known as the Erie Railroad, expanded westward from the New York City area toward Buffalo, New York. As part...

Options Open
The 60,000-seat Optus Stadium was designed to blend in with its surroundings while serving as an icon for the Perth, Australia, metropolitan area. Engineered to be truly multipurpose, the venue is able...

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....

Turn for The Better
The Johnson Street Bridge has served as a critical link to the city of Victoria, British Columbia, Canada, for many years. A single-leaf bascule bridge that is functional and visually appealing replaced...

Monumental Makeover
Visitors to St Louis's iconic Gateway Arch can now enjoy an even more monumental experience, thanks to an expanded underground museum with a new glazed entrance. The $380-million project also features...

Energy Star
The recently opened corporate headquarters of United Therapeutics is one of the largest net-zero energy office buildings in the world. Geo-exchange wells, an earth labyrinth, natural ventilation, and electrochromic...

Discouraging Women from STEM Careers Would Violate ASCE's Code of Ethics
The chief executive of a national engineering society writes a column that discouraging women from pursuing career in the science, technology, engineering, and mathematics (STEM) fields. If he has had...

Case Study Examines the Ethics of Professional Development
A supervisor sacrifices the professional development of his team for his own growth. Is the supervisor in violation of the Cannon 7 of ASCE's Code of Ethics?...

 

 

 

 

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