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Steel props aid construction of new Thames tunnel
A series of steel tubular props are being installed to aid the construction of the Silvertown Tunnel, which will provide a new road link under the River Thames …
40 Years Ago: Separating the Mersey Tunnel
Taken from Building with Steel 1969 In 1935, when the Birkenhead to Liverpool Tunnel under the River Mersey (the Queensway Tunnel) was opened, the total number …
