There is a moment on every hard rock bore when the machine either earns your trust or doesn’t. The cutterhead engages, the ...

As Program Delivery Partner, the AECOM and Jacobs joint venture will support the procurement and delivery of the metro system ...

The Gateway Development Commission on Sept. 28 celebrated the start of boring as part of the Hudson Tunnel Project.

Akkerman has named Justin Akkerman as its new CEO, marking the next generation of leadership for the equipment manufacturer.

DC Water celebrated the christening of TBM Emily on Sept. 19. It’s the second giant tunnel boring machine (TBM) that will ...

The federal government has dropped its appeal of a federal court ruling that barred the U.S. Department of Transportation from withholding funding for the $16 billion Hudson Tunnel Project, clearing ...

“The Most Expensive Mile of Subway Track on Earth” is the title of an investigative report written by Brian M. Rosenthal of The New York Times in December 2017. It examined some of the subway tunnels ...

Tunneling and underground construction in urban areas is increasing throughout the world for various reasons. This requires handling of complex challenges for safe construction and to minimize impacts ...

Typically waterproofing of conventionally excavated tunnels has been done by installing prefabricated sheet membranes between the primary temporary support lining and the secondary permanent inner ...

Editor’s Note: This is the first in a series of articles from Dr. Gary S. Brierley reflecting on the history of tunneling. This first article examines tunneling from its ancient roots to the present ...

Nowadays, 100-year service is typically demanded for many combined sewer overflow (CSO) tunnel systems. This article describes the measures required to protect such systems against degradation and ...