By Dave Mast and Paul Nicholas Tunneling is a growth industry outpacing any other construction market. It is estimated at…
With roots tracing back to the first half of the 20th century, roadheaders have a long history in the underground…
Jay Dee Contractors’ essential workers keep critical infrastructure safe When considering the essential workers who have kept construction projects safe…
Since its opening in 1964, the Chesapeake Bay Bridge–Tunnel (CBBT) has not only been regarded as a critical travel route,…
Every four years, the American Society of Civil Engineers (ASCE) puts together a Report Card for America’s Infrastructure that gives…
On April 24, 2020, the largest hard rock TBM ever to bore in the United States began to operate. The…
“The Most Expensive Mile of Subway Track on Earth” is the title of an investigative report written by Brian M.…
Insights into the tunnel industry trends – present and future By 2050, it is anticipated that as much as 87%…
For projects involving tunnel boring machines (TBM) to be successful, we need to know what lies beneath the surface. The…
Dealing with groundwater is among the top challenges in underground tunnel, structure and pipeline projects. Groundwater in excavation sites can…