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
Foundation Rig Drills Into Subway Line in Turkey
The video below from X user @githii shows a startling sight: what appears to be a foundation drill rig punched right through the crown of a subway tunnel in Istanbul, Turkey several days ago. Reportedly […]
Press Releases
Nicholson Awarded a Contract on the MTA’s Second Avenue Subway Project
PITTSBURGH, PA – January 18, 2010 – Nicholson was recently awarded a subcontract by E.E. Cruz and Tully Construction Co., a Joint Venture that includes approximately 200,000 SF of diaphragm walls for the construction of the 96th Street station box as part of New York City’s Second Avenue Subway project. Nicholson’s contract also includes jet grouting for a subgrade strut, water cutoff, and temporary support of excavation; compensation grouting for two buildings at excavations for ancillary structures; micropiles within an existing building; and curtain grouting in rock. The project owner is the Metropolitan Transit Authority. [Editor] Click through for the entire press release from GeoPrac.net sponsor Nicholson Construction. [/Editor] […]
Comings and Goings
Golder Associates to Acquire Alan Auld Group
Golder Associates will acquire the U.K.-based Alan Auld Group of companies with offices in the U.K., Canada, and the U.S. Alan Auld Group is a global provider of specialized engineering design and construction services for underground […]