Add Yahoo as a preferred source to see more of our stories on Google. Next year, the first modern tunnel-boring machines ever used in New Jersey will arrive in North Bergen to begin drilling the first ...

A colossal project to reduce traffic in the underground tunnels connecting the Virginia cities of Norfolk and Hampton just had a big breakthrough — literally. Since 1957, the two cities have been ...

Giant tunnel-boring machines can get stuck in the rock they’re digging through, revealing flaws in the internal control of ...

The study of disc cutter wear in tunnel boring machines (TBMs) is fundamental to optimising both the economic and operational performance of subterranean construction projects. Disc cutter wear ...