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...

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...

A Good Cause for a Causeway: How Geotechnology and Project Delivery Restored a Roadway Embankment Crossing a Historically Challenging Soft Ground Site
As part of a Minnesota Department of Transportation (MnDOT) design-build project, a causeway was constructed in 2017 to replace an aging bridge in the southwest metropolitan area of Minneapolis. The causeway...

Turning Imagination Into Reality (part of "The House That LEGO Built")

Embracing the Bricks (part of "The House That LEGO Built")

Proactive Management of Landslide- and Rockfall-Prone Slopes: A New Program for Federal Land Management Agencies
Most people realize that the nation's transportation infrastructure is aging faster than federal, state, and local governments can manage with traditional methods. In fact, a national and international...

NTSB Issues Preliminary Report on Florida Bridge Collapse (part of Infrastructure Solutions: Bridges Move Forward)
In late May, the National Transportation Safety Board (NTSB) released its preliminary report about the March 15 structural failure and collapose of a partially-constructed pedestrian bridge in Miami....

Supporting A National Treasure: Spruce Tree House Alcove Arch Stabilization
Mesa Verse National Park, located in southwestern Colorado, honors the cultural significance of the fantastic cliff dwellings of the Ancestral Pueblo people, who lived in the area from AD 600 to 1300....

Stabilizing the Cliffs of Alcatraz Island: It My Be "The Rock," but it Still Needs Attention!
California's Alcatraz Island was described by some early explorers as an unusually lush rock sticking out of the sea. The rock on the island consists of shale and sandstone members of the late Mesozoic-aged...

Remote Mapping in Alaska's Wilderness: Accessing Resources in the Last Frontier
The rich, natural resources of Alaska have long been the focus of many pioneers seeking fortune in the Last Frontier. As captured in historical images of dedicated Klondike Gold Rush miners seeking their...

Restoring Steinbeck's Carmel River: The Removal of San Clemente Dam
If you've read John Steinbeck's 1945 classic "Cannery Row," then you're already familiar with the Carmel River, which he described as "…a lovely little river. It isn't very long, but in its course it has...

When Things Became Muddy: TVA's Response to Seepage Discharge at Boone Dam
In October 2014, the Tennessee Valley Authority (TVA) profited from investments in a robust dam safety program. This profit did not come in the form of money, but more importantly in the protection of...

Connecting Faculty in Geotechnical Engineering: Thriving in a Networked World
A robust social network, defined as a group of individuals and organizations with career-related and/or personal relationships with one another, is essential for operating successfully in today's business...

NSF Workshop on Geotechnical Fundamentals: How Researchers Can Contribute to Today's Real-World Challenges
A 2 ½ day National Science Foundation (NSF)-sponsored Workshop (Award No. CMMI-1248053) was held in July 2016 at the NSF headquarters in Arlington, VA. The Workshop focused on fundamental principles that...

Guidelines for Construction Vibrations: How Much Rattle is Too Much?
The study of construction/blast-related ground vibrations on structures, people, and objects is a surprisingly diverse field. Vibration sources vary from blasting, all types of construction equipment,...

Canals, Cutoffs, and the Vicksburg Campaign
During the American Civil War, the term “Union” was used to refer to the United States of America, and specifically to the national government and the 20 free states and five border slave states that supported...

Translating the Language of Soils: Developing a Soil Classification System for International Engineering Projects
Soil classification systems are used to help predict soil behavior and provide information to farmers, engineers, builders, agricultural extension agents, homeowners, community planners, and government...

Foundation Reuse and Enhancement: A Viable Option for Bridge Widening and Replacement Projects
The transportation system in the U.S. includes over 607,000 bridges for grade separations, interchange configurations, and stream crossings. As governmental entities embark on the rehabilitation and rebuilding...

Answering the $64,000 Question: Geotechnical Risk in Design-Build Projects
Subsurface risk may well be the aspect of most construction projects that has the greatest potential impact on a project's success or failure. Even when a thorough geotechnical investigation is conducted...

What Does the Case Law Say? Geotechnical Risk on Design-Build Projects
The growth of design-build (DB) contracting, particularly on public-sector civil projects, has generated a great deal of industry discussion over the age-old question of who should bear the risk of unforeseen...

 

 

 

 

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