The use of dynamite to dig a drop shaft for the Metropolitan Sanitary District`s Deep Tunnel project in the western suburbs has been abandoned, and the controversial process may be scrapped for all ...

Novel diamond-enabled cutting technology increases tunneling development speed, reduces costs, and minimizes the environmental impact of construction for the mining, infrastructure, transportation and ...

Komatsu, through its subsidiary, Komatsu Cummins Chile, has agreed with Codelco, a major state-owned mining company in Chile, to collaborate on trialing a new tunnel excavation method using Komatsu's ...

In short: There has been a partial tunnel collapse at the main Snowy 2.0 construction site due to "drill and blast" operations in an adjacent tunnel. Progress at another site has slowed due to fresh ...

DETROIT, Mich. — The future of the Enbridge Line 5 tunnel project hangs in the balance as the Canadian-energy company and the state of Michigan are embattled in litigation, but the preparation work ...

DETROIT, Mich., (WPBN/WGTU)— The U.S. Army Corps of Engineers has released its draft environmental impact statement for the Line 5 tunnel project, a comprehensive document nearly 500 pages long with ...

LUCKNOW, India (AP) — Forty-one workers remained trapped in a collapsed road tunnel in northern India for a seventh day Saturday as a new drilling machine arrived on site to replace the damaged one.