London Crossrail Project at ENR.
Project Related
Ground Freezing and Tunneling for New York MTA’s Second Ave Subway
GeoPrac sponsor Moretrench is a key team member of the Second Avenue subway team, performing ground freezing on a 150-ft stretch of tunnel alignment in preparation for the second tunnel. ENR reports that approximately 7,200 […]
Failures
Himalayan Highway Tunnel Collapses, Trapping 40
The collapse of a Himalayan highway tunnel in Uttarakhand, India, trapped 40 workers, sparking a challenging rescue operation. The incident occurred on November 12, 2023, and the workers are reported to be in good health, […]
Project Related
Backfilling the 1931 Tucker Tunnel in St. Louis with Geotechnical Fill, Geofoam Blocks
Constructed in 1931 by the Illinois Terminal Railroad, the Tucker Tunnel is located underneath Terminal Boulevard in downtown St. Louis. Over the years, the tunnel condition has deteriorated and the concern is that the failure […]