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 ...

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

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

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 ...

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

NGE and Webuild celebrated the arrival in Gennevilliers (Paris region) of the tunnel boring machine (TBM) that will excavate the 7 km of Package 2 on Grand Paris Express Line 15 West, between ...

Caltrans announced on Aug. 20 that the Last Chance Grade tunnel project has advanced into its design phase. Once completed, the project will improve travel times and safety through Del Norte County on ...

Technical presentations are one of the hallmarks of the North American Tunneling Conference. More than 1,200 attendees convened in Anaheim, California, this week for the North American Tunneling ...

Halmar International traces its roots to the incorporation of Halmar Construction in 1962, a firm that grew steadily as a heavy civil contractor delivering transportation and infrastructure projects ...

Scott M. Anderson, FACI, is Vice President and General Manager of Keystone Structural Concrete (Keystone), a concrete contractor based in Houston, TX. Keystone is part of the Stewart Holdings Group, a ...

Current requirements of ACI CODE-318-19(22), “Building Code Requirements for Structural Concrete,” 1 and ACI CODE-350-20, “Code Requirements for Environmental Engineering Structures,” 2 relate almost ...