Two tunnel boring machines (TBMs) called Karen and Madeleine will dig the final 4.5 miles (7.3km) of tunnels that will bring ...

Boring machines cut the inside of a bore to enlarge its diameter. Boring machines are developed to make a bore in the shortest time and produce the highest possible surface finish and tolerances.

Two tunnel boring machines (TMBs) named Karen and Madeleine will dig the final stretch of tunnels to bring HS2 into Euston ...

Line boring and blind boring of 1.375 to 24 in. in cramped places where others won't fit Patented Spherical Bearing Mounts allow quick setup with up to 5 degrees misalignment Up to 650 ft.- ...

This is set to begin next year after preparatory work is finished by the end of December. HS2 says engineers have begun ...

BENTONG: The two tunnel boring machines (TBM) that will be used to excavate the twin-bore Genting Tunnel portion of the East Coast Rail Link (ECRL) are the biggest of its kind in South-East Asia ...

The Delhi Metro Rail Corporation (DMRC) is expanding its network in Phase 4, developing 40 kilometers of new underground ...

The TBMs have been given female names after prominent women in history. One machine is called Karen after Karen Harrison, the ...

Two tunnel boring machines (TMBs) named Karen and Madeleine will dig the final stretch of tunnels to bring HS2 into Euston station. There are currently 4.5 miles (7.3km) of tunnels left to bore ...