Abstract
AbstractCurrently, the City of Edmonton's public transportation system in Edmonton, Canada is being expanded by the addition of a new line – the Valley Line. The first stage, a 13.1 km long section, includes besides other feature a 400 m long twin tube tunnel, which southern portal was secured by an AT–Pipe Umbrella System with threaded nipple couplings. (Foto: DSI Underground)
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
