The man who saved the Leaning Tower of Pisa

Pearson, A.

The man who saved the Leaning Tower of Pisa - 2000 - Building 265(8153) 15 September 2000, 51-53(3) .

Describes how London academic, John Burland, has stopped the Leaning Tower of Pisa from collapsing whithout destroying its famous lean. Highlights the various solutions considered before the team opted for a technique called soil extraction, which works by creating lots of little tunnels to create a controlled form of subsidence. Contrasts Burland's approach in Pisa with his work on stablising Big Ben, needed following the excavations for the extension of the Jubliee Line.


PISA
SUBSIDENCE
JUBILEE LINE EXTENSION
BIG BEN
SOIL MECHANICS