Second Issue of International Journal of Geoengineering Case Histories [Official This Time]
Project Related
TBM Stuck on Pittsburgh North Short Connector Project
ENR reports that a Tunnel Boring Machine or TBM is stuck for the second time in two weeks on Pittsburgh’s light rail expansion project dubbed the North Shore Connector Project. As we described in a previous post, the project will consist primarily of a tunnel underneath the Allegheny River. The drilling began the week of March 3 and has been progressing at a rate of 30-ft/day or 5-ft/day faster than the original goals. Read on for a location map of the project, or download the Google Earth KMZ file showing the project area. (File photo of TBM)
Failures
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 […]
Project Related
Video: Golder’s Tunneling Solution in Toronto for Difficult Ground Conditions
Golder Associates posted the video below describing some of their work on the York University Subway Tunneling Test Monitoring Project, part of the larger Toronto-York Spadina Subway Extension Project in Toronto, Ontario, Canada. The tunnels […]