London Crossrail Project at ENR.
Project Related
Project Profile of Devil’s Slide Tunnels
This is a great piece that covers a lot of ground about the project. The author included information on the background of the original highway, and a nice discussion of the political aspects that drove […]
Project Related
Tunnel Proposed to Link Europe and Africa at Straits of Gibraltar
The proposed railway tunnel will link Spain and Morroco underneath the Straits of Gibraltar. The depth of the straits ranges from 1,000-ft to nearly 3,000-ft. To put that in perspective, the English Channel is only 150-ft deep, and the Chunnel is another 130-ft below the sea floor. (Photo by chodaboy)
Failures
Subway Tunnel Collapse in Cologne Germany
Early indications are that a collapse of a subway tunnel station still under construction was to blame for the sinkhole that destroyed Cologne’s Historical Archive, home to documents dating back to 922 A.D. More info after the break. (Photo by DPA via Spiegel Online)