...H R DAVIES The Jubilee Line Extension took the London Underground network for the first time into the difficult waterlogged sands and gravels in the south east of the capital. However, there were very few problems with the now tried-and-tested technology of earth pressure balance tunnelling...

... and the project site management team. Geolos The geological horizons at the site areThames Gravel overlyingthe Woolwich and Reading Beds over Thanet Sands on h p of chalk.These strata have two main aquifers.The upper, in the Thames Gravel,is affected by the Thames and the impoun& ed dock water level. The lower...

... FOUNDATIONS PILES GRAVEL CLAYS LONDON CLAY SUPERSTRUCTURES FRAMES ROOFS CLADDING HEATING VENTILATION COOLING ELECTRICITY PROTECTION FIRES STAIRWAYS LONDON ARK LONDON HAMMERSMITH LILLA HUSET UK SWEDEN © Thomas Telford and ICE 1994 Proc. Instn Civ. Engrs Civ. Engng, 102...