New Civil Engineer
reports Adrian Greeman.
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Driving conditions Tight tolerances and critical control are key features for the new Hamburg harbour tunnel
9-Apr-1998
It might be thought that driving a tunnel over 14m in diameter would give you a margin for error in proportion to its size. And that a tunnel boring machine the size of a small block of flats would handle like the civil engineering equivalent of a supertanker. -
Driving conditions Tight tolerances and critical control are key features for the new Hamburg harbour tunnel
9-Apr-1998
It might be thought that driving a tunnel over 14m in diameter would give you a margin for error in proportion to its size. And that a tunnel boring machine the size of a small block of flats would handle like the civil engineering equivalent of a supertanker. -
Driving conditions Tight tolerances and critical control are key features for the new Hamburg harbour tunnel
2-Apr-1998
It might be thought that driving a tunnel over 14m in diameter would give you a margin for error in proportion to its size. And that a tunnel boring machine the size of a small block of flats would handle like the civil engineering equivalent of a supertanker.
