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 ...

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 ...

Analysis of Rib Spalling Issues and Prevention Measures in Railway Tunnel Construction. Open Journal of Applied Sciences, 15, ...

KANEOHE, OAHU (HawaiiNewsNow) - A 160-ton tunnel boring machine from the City and County of Honolulu is about set to start digging through Windward Oahu grounds, drilling a new 3-mile tunnel from ...

Stockholm is a city known for its waterways. Founded on an archipelago of some thirty thousand islands, bodies of water are rarely more than a stone's throw away in the Swedish capital. An ...

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 ...

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 ...

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.