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BTS 2014 Conference and Exhibition – 23rd / 24th September

register your delegate place today … click here

register your delegate place today … click here

look who’s exhibiting … www.btsconference.com

in association with

Navigate Tunnelling with VMT

Navigate Tunnelling … VMT navigation systems have been developed for different types of advance machines and ensure that tunnels of even several kilometres in length will be driven to their destination with millimetre accuracy. They calculate all information automatically and in real-time that is necessary for navigating along the designed tunnel axis. They feature a modular software structure and easy-to use menu-guided operation, together with the latest measurement and communication technology  click here


‘A Catalogue of Tunnel Collapses’ … Updated to October 2012

Tunnelling Journal is giving every reader free access to an exhaustive listing of international Tunnel Collapses. The document ‘Catalogue of Notable Tunnel Failure Case Histories’, courtesy of, and compiled by, the Mainland East Division, Geotechnical Engineering Office, Civil Engineering and Development Department of Hong Kong details 36 international collapses, and a further 6 specifically in Hong Kong. Each case, subject to the information available, includes a basic description of the event (many illustrated), the probable cause, the remedial measures undertaken, and the consequences and lessons learned. Some 60 references are also included for further reading. The document is live and will be updated from time to time. To download this must-have listing go to:

http://www.cedd.gov.hk/eng/publications/geo/doc/HK%20NotableTunnel%20Cat.pdf

Tunnelling Journal Exclusive

Hong Kong’s Geotechnical Engineering Office has recently issued the GEO Report No. 249, “Ground Control for Slurry TBM Tunnelling.” Download your free copy of this ‘must read’ paper from the Civil Engineering and Development Department website, using the link below:  http://www.cedd.gov.hk/eng/publications/geo_reports/geo_rpt249.htm