German authorities haven’t yet determined what brought down the structure, which housed Cologne’s historical archive, but the city is building a new subway line under the buildings that collapsed. Amsterdam is also building a subway line underneath its historic center, and buildings along the project have already sustained damage.
Tag: Noord/Zuid lijn
The fire brigade has removed the occupants of four buildings at Vijzelgracht, in Amsterdam center, because their homes had subsided during then night as a direct result of construction work for a new leg of Amsterdam’s subway system
Seventeenth-century masons built Amsterdam on a foundation of wooden poles planted in soggy, sandy ground, leaving behind a beautiful architectural “museum “– but one with walls prone to sinking or crumbling without warning. So how do you dig a subway tunnel underneath it? Very carefully.