Grouting work done earlier in the week was a possible cause of a bulge in the lining of a train tunnel under the River Thames. Two trains hit the bulge before the line was closed, but neither train derailed. [Source: New Civil Engineer]
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)
Press Releases
Grouting project to protect Snake River Plain Aquifer completed ahead of schedule
September 29, 2010 — The Idaho Cleanup Project safely completed a remedial action five weeks ahead of schedule that protects the Snake River Plain Aquifer by grouting buried waste at the U.S. Department of Energy’s […]
Project Related
Underground Leak Sealing Restores Coal Terminal Operations
Coal handling facilities are tough environments for concrete, especially when long-term water intrusion begins to undermine operations below grade. In this NCFI case study, a coal terminal was dealing with persistent underground leaks in a […]