Rising Costs and Delays in Seattle Area Wastewater Plant and Tunnels

February 25, 2008 rockman Project Related Comments Off on Rising Costs and Delays in Seattle Area Wastewater Plant and Tunnels

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Sinkhole in a Beijing Street on April 26, 2011 - possibly resulting from tunneling ground loss from Beijing subway construction
Failures

Tunneling ground loss sinkhole opens in Beijing street, swallows truck

June 6, 2011 rockman Failures Comments Off on Tunneling ground loss sinkhole opens in Beijing street, swallows truck

On April 26, a sinkhole opened up in a busy Beijing street in China’s capital city, swallowing up a truck. According to news reports, the driver and passenger jumped out of the vehicle before it […]

Ad van Zwieten lived on the Vijzelgracht until his house was declared unfit for habitation, after subsidences caused by the metro construction work. Photo Maurice Boyer, nrc.nl
Failures

Amsterdam Looking at Cologne Tunnel Collapse – Project Similarities?

April 8, 2009 rockman Failures Comments Off on Amsterdam Looking at Cologne Tunnel Collapse – Project Similarities?

City officials and residents in Amsterdam, Netherlands are looking at the recent Cologne tunnel collapse and wondering if the construction of their fourth metro line could have similar problems. Although the tunnels themselves have not […]

561 pallets of rock core for the Crossrail project will be stored in a salt mine
Project Related

London’s Crossrail Cores Going to Salt Mine

May 14, 2013 rockman Project Related Comments Off on London’s Crossrail Cores Going to Salt Mine

London’t mega-project known as Crossrail that involves the construction of 118 km (73 mi) of new rail line with 42 km (26 mi) of new tunnels. The geotechnical investigation for Crossrail included rock coring, and […]