Risk in Geotechnical Practice: Dealing With Uncertain Ground
Tools for identifying and managing risk in geotechnical engineering projects. Risk is an inherent component of all types of projects, no matter the size or discipline. Geotechnical engineering projects...

Niagara Transformed
A $65-million capital rehabilitation project improved attractions, facilities, and services across the 400-plus acres of New York State’s Niagara Falls State Park. Throughout the five-year construction...

Did You Know? Geostrata Is 20
Spring 2000 was the first issue of Geo-Strata (now GEOSTRATA). That issue included articles on academic-industry partnerships, implementing innovative technology, marketing advice from "The Old Rainmaker,"...

Making It Work: 'Unbuildable' Site
As the amount of space available for constructing new buildings in cities decreases, urban sites previously considered unattractive for development or simply unbuildable are seeing renewed interest....

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...

The Present And Future Of Virtual and Augmented Reality In Geotechnical Engineering: This Technology Has Gone Way Beyond Gaming!
One of the greatest challenges with subsurface construction has always been our relative inability to visualize underground conditions that are often comprised of spatially variable soil and rock strata,...

Automated Model And Parameter Selection: Incorporating Expert Input into Geotechnical Analyses
Excavation for construction of MIT Stata Center in Cambridge, MA. This complex soil-structure interaction problem required advanced numerical methods and soil constitutive models. A) PLAXIS 3D model of...

Basements On The Beach: Overcoming South Florida's Shoreline Excavation Challenges
The South Florida beachfront is awash with an ever-increasing number of high-rise condominiums. As land becomes scarcer and increasingly expensive, and building regulations change to require above-grade...

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...

Under-Slab Utility Installation with Aggregate Piers: It's All About Planning
Aggregate pier ground improvement is commonly used in North America to support buildings. The technology has expanded in the last decade thanks to refinement and introduction of new techniques, more rigorous...

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...

Student Solutions
A multidisciplinary team of students from the University of Michigan worked at the Willow Run site in 2014 on a constructed wetlands system to help remediate contaminated groundwater....

Making the Most of Digital Tools
From the outset, the Westadium consortium considered efficient procurement, constructability, long-term maintenance, and asset management in the design of Optus Stadium. For these reasons, Arup's engineers...

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...

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,...

From Fame to Failure: The St. Francis Dam (Part 2)
In the July/August issue, History Lesson examined the construction of California's St. Francis Dam and its catastrophic failure in 1928. This month's instalment examines the causes and aftermath of the...

Next-Generation Sonar Improves on Best Existing Technology
A sonar system capable of visualizing underwater environments in real time can be used for underwater bridge inspections and other construction-related tasks....

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....

An Evolving Alignment
As it pursued its plans to design and construct a critical sewer pipeline, the city of Springfield, Ohio, had to make numerous changes to the project's complex alignment to address the concerns of multiple...

Restored & Revived
A multidisciplinary restoration project returned the iconic Minnesota State Capitol to its original stature while updating architectural and engineering systems for 21st-century functions. Weaving state-of-the-art...

 

 

 

 

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