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...

Ditch the Ditch
The Michigan Ditch tunnel project is noteworthy because of its unique mix of challenging engineering problems, risk mitigation measures, novel evaluation and design, and innovative delivery method. The...

BIM Belowground
Despite the wider use of building information modeling (BIM), the practice frequently focuses on aboveground details to the exclusion of those below the surface. But the BIM techniques used in the design...

Third Tunnel Planned for Los Angeles County Sanitation Districts

Emergency Retaining Wall Replacement: The East 26th Street Slide Repair in Baltimore, MD
During a record rainfall on April 30, 2014, a century-old, stone retaining wall between a dense urban roadway (26th Street) and the CSXT railroad track in Baltimore, MD, failed. The stone retaining wall...

Applying Scanning Technology to Tunnel Inspections: Leveraging Technology to Reduce the Public Agita
A large number of transit and vehicular tunnels in the New York Metropolitan area were inundated by the tidal surge caused by Super Storm Sandy on October 29, 2012. The storm created major...

Ground Freezing in a Congested Urban Area
Artificial ground freezing is a method of providing temporary earth support and ground water control for deep excavations and tunnels. The technique has been used for over 100 years in...

Challenges and Risks of Jet Grouting in a Congested Urban Environment
In the heart of London, one of Europe's largest jet grouting contracts is nearing completion. The jet grouting is part of the overall 7-year-long upgrade project to London...

Back-Analysis in Tunneling: Current State and Future Endeavors

Long Tunnels Are Different

Managing Risks Associated with Tunneling Projects

Geotechnical Challenges of the Caldecott Tunnel Fourth Bore

Excavating and Lining Very Wet and Soft Ground Tunnels

Applications for Other Excavations and Foundations
This section discusses the application of GBRs for other excavations and foundations projects, projects involving construction operations other than tunneling....

Lessons Learned
This chapter discusses feedback obtained during two industry workshops that were specifically directed at capturing lessons learned. The first workshop, held in association with a national...

Journal of Highway and Transportation Research and Development
The Journal of Highway and Transportation Research and Development is a Chinese language journal that includes road and transportation related...

Tunneling in the Park

Repairing Pittsburgh's Portal
Engineering the rehabilitation of Pittsburgh's Fort Pitt Bridge and Fort Pitt Tunnel involved an extensive inspection of their condition and a detailed evaluation of alternative...

Light at the End of the Tunnel
As part of a comprehensive program to control combined sewer overflows in Richmond, Virginia, engineers designed a deep tunnel 5,900 feet long to store the polluted water during severe...

 

 

 

 

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