Alembic Blog

A Look Inside the Brunels' Thames Tunnel

In a city that's famous for its tunnels, one stands out. The Thames Tunnel between Rotherhithe and Wapping was the first tunnel to be successfully constructed under a body of water. It was designed and built by the engineer Marc Brunel, whose soon-to-be-famous son, Isambard Kingdom Brunel, also worked on the project. Among the new technologies involved was Brunel's innovative tunneling shield, which supported the structure of the tunnel as workers dug it out and paved the sides. This was the precursor to modern tunnel boring machines, such as those used to build Crossrail today.

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