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Abstract: The tunnels excavated by Continental Engineering Corporation (CEC) for the underground section of the Jaipur Metro project faced the usual challenges posed by metro projects worldwide, including small site footprints, and the associated problems regarding segment and muck storage space, etc. These challenges were, however, relatively straightforward when compared to the challenges...
Abstract: Multiple fault zones and squeezing ground requiring extensive bypass tunneling were just a few of the challenges to be overcome to successfully complete Turkey’s Kargı Kızılırmak Hydroelectric Project. Launched into poor geology in 2012, the 10 m Double Shield TBM experienced delays to the project that forced team members to find innovative solutions that included major in-tunnel modifications...