A 6km single-tube tunnel will be excavated from the Vikhroli shaft towards the under-construction Mumbai Bullet Train station.

The tunnel, which connects Baltal in Kashmir with Minamarg in Ladakh, will bypass the avalanche-prone Zojila Pass and reduce travel time from more than three hours to about 15-20 minutes, providing ye ...

Local mining expert says drill and blast tunneling method could cost half of the U.S. Army Corps of Engineers’ proposed ...

SAN FRANCISCO--(BUSINESS WIRE)--Petra, the first robotics company capable of undergrounding critical utilities through hard geologies, today announced the successful completion of a 20-foot ...

The synthesis authors reviewed relevant literature to capture experience with and effective practices for controlling leaks in tunnels around the world. Sources used for the literature search included ...