Blog: Q&A – Building the tunnel, part 1: Nothing boring about boring technology
There is absolutely nothing boring about a tunnel boring machine (TBM). Today’s TBMs resemble massive subterranean factories, capable of cutting through harder rock and against higher water pressures than ever before. TBMs can now operate in mixed ground conditions and in a host of other environments that would have been impossible as recently as the 1970s and 1980s.