Our dedicated team of experts are authors and co-authors of several technical papers on the subject of tunneling and geotechnical engineering.
Synopsis: The construction of shallow mined tunnels in urban settings is frequently undertaken by use of conventional tunneling methods. In…
Read MoreSynopsis: The Devil’s Slide Tunnel project, located south of San Francisco along Highway 1, consists of twin bore tunnels approximately…
Read MoreSynopsis: In the last 20 years the Sequential Excavation Method (SEM) or the New Austrian Tunneling Method (NATM) has been…
Read MoreSynopsis: The first application of soft ground NATM in the US was on Washington, DC Metro Section E5 Fort Totten…
Read MoreSynopsis: Historically, conventional tunneling also referred to as NATM and more recently SEM in the US has been executed in…
Read MoreSynopsis: The New Austrian Tunneling Method (NATM), also referred as Sequential Excavation Method (SEM), has found application in soft ground…
Read MoreSynopsis: The first application of soft ground NATM in the US was on Washington, DC Metro’s Section E5 Fort Totten…
Read MoreSynopsis: The conventional tunnel design of the Devil’s Slide Tunnel project near San Francisco, California anticipates relatively large deformation in…
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