Our dedicated team of experts are authors and co-authors of several technical papers on the subject of tunneling and geotechnical engineering.
Synopsis: 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…
Read MoreSynopsis: One of the challenges of the 21st century in urban settings is to provide solutions to increasing traffic. The…
Read MoreSynopsis: Pre-support measures for urban tunneling have seen a substantial development in the recent past. Ground improvement techniques, pipe-arch and…
Read MoreSynopsis: Metropolitan Washington Airport Authority is currently undertaking the first Phase of Metro’s Extension to Northern Virginia. A wide range…
Read MoreSynopsis: The use of shotcrete for ground support is well established since several decades. However, the development of high quality…
Read More