Using Geophysics to Assess Geohazards Before Construction: Increase Your Odds for Success!
Understanding subsurface conditions is the key to any successful construction project, including new construction, excavation, and drilling. The consideration and understanding of the subsurface geology...

Helicopter-Based Geophysical Reconnaissance of Levees: A Faster, Cost-Effective Tool for Assessing Their Risk
As with much of the nation's infrastructure, people are becoming more and more aware of the condition of levee systems in the United States. The media cast a spotlight on the New Orleans levee failures...

Avoiding Impacts of Collapsed Mines on Railways: A Multidisciplinary Geophysical Detective Approach
The presence of abandoned mine workings can pose a significant risk to the use and development of surface structures above them, including railway lines. Typically, the adverse and often sudden effects...

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...

Sustainability and Resilience in Transportation Infrastructure Geotechnics: Integrating Advanced Technologies for Better Asset Management
The 2030 Agenda for Sustainable Development, adopted by the United Nations General Assembly in September 2015, enumerates 17 sustainable development goals (SDGs) to be achieved by the member countries...

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...

When Bridges, Roadways, and Dams Need Our Help: Innovative Techniques Can Help Save Our Nation's Critical Infrastructure
The nation's infrastructure is showing its age. The signs are obvious with structure distress, lack of functionality, and failure reported frequently over the last several decades. Specialty geotechnical...

The New Lightweight Contender: Ultra-lightweight Foamed Glass Aggregate Finds the U.S. Market
Geotechnical engineers are often confronted with sites where the existing soil is prone to settlement or where there are subsurface utilities sensitive to additional load. If relocation or realignment...

ASCE-ASME Journal of Risk and Uncertainty in Engineering Systems, Part A: Civil Engineering
The journal will meet the needs of the researchers and engineers to address risk, disaster and failure-related challenges due to many sources and types of uncertainty in planning, design, analysis, construction,...

ASCE-ASME Journal of Risk and Uncertainty in Engineering Systems, Part B: Mechanical Engineering
he ASCE-ASME Journal of Risk and Uncertainty in Engineering Systems, Part B: Mechanical Engineering will serve as a medium for dissemination of research findings, best practices and concerns, and for discussion...

Risky Business: Identifying an Acceptable Rockfall Standard
For many parts of the U.S. highway system, cut slopes in rock are as common as bridges and embankments. These cut slopes, as well as some natural ones, produce rockfalls that pose risks to highway conditions...

Rock Glue Gets the Job Done: Reducing Rockfall Hazards along the G.W. Parkway
After a large rockfall damaged the road and disrupted traffic along the George Washington Memorial Parkway in 2002, the National Park Service was looking for solutions to stabilize the slope against additional...

A Sunken Submarine Full of Mercury: Safe, Controlled Construction of a Counter Fill for Seabed Slope Stabilization at about 155 to 177 Meters
On December 5, 1944, with World War II still raging and peace in Europe still six months away, the German submarine U-864 set out on her maiden voyage on a secret mission to deliver strategic war supplies...

Eyes in the Heavens: Satellite Technologies in Remote Site Monitoring
Installation and maintenance of instrumentation to monitor geotechnical projects in remote locales is usually more challenging than sites in urban areas for both technical and logistical reasons. In most...

Difficult-Access Rockfall Mitigation: Design and Construction Way Up High!
Rockfall mitigation projects frequently require work at elevated positions. This is not something that comes naturally for many engineers and geologists. Palms sweat, knees knock, and voices may start...

Design of Submarine Pipelines Against Upheaval Buckling
This paper describes part of a comprehensive joint-industry project on upheaval buckling. It develops a semi-empirical simplified design method and detailed design methods based on a new numerical analysis,...

Appraisal of Lightweight Moorings for Deep Water
This paper outlines the potential advantages of using lightweight fiber ropes for mooring floating production platforms. The influence of tether properties on mooring system response is discussed. It is...

Fire in the Hole: Emergency Repairs to the Robinson Creek Tunnel
On the eve of April 26, 2014, an arsonist set fire to the CSX Transportation (CSXT) Robinson Creek tunnel. The tunnel is located about 120 mi. southeast of Lexington, near Pikeville, KY. The 742-ft-long...

Railroad Tunnel Clearance Improvement and Linear Replacement: What Happens with Unexpected Ground Conditions during Tunnel Construction?
To increase the capacity and efficiency of transporting waste by rail to an existing landfill, Enviro Solutions Inc., the landfill owner, and CSX Transportation (CSXT), the rail line owner, sought the...

Railway Geotechnical Asset Management in Great Britain: How Modern-Day Techniques Help Monitor Railway Infrastructure Dating to the 1800s
This article discusses asset management, risk management, and earthworks failures as experienced by Network Rail (NR), the owner, operator, and asset manager of the majority of the rail network of Great...

 

 

 

 

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