Steel augers reportedly from a piling operation at the ground surface broke through a railway tunnel in East London. Fortunately the train drivers noticed and reported the damage before any serious accident occurred. The busy First Capital Connect route was shut down for several days for an investigation and repairs. [Source: BBC News via ASCE SmartBrief. Image: BBC]
From WSDOT’s video description: After nearly a week of tunneling under the Alaskan Way Viaduct, crews are steadily continuing Bertha’s underground drive towards downtown Seattle. This video gives you a behind-the-scenes glimpse into how the […]
A TBM named for Eliza Leggett, an active participant on the underground railroad, and later a suffragist, has been tunneling for the past 6 months on the massive I-75 reconstruction project in metropolitan Detroit. The […]
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)
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