Search & filter
Search & filter
Abstract: The Bore Tunnelling Electrical Ahead Monitoring (BEAM) system has been installed in all the 6 TBMs utilized in the excavation of the Gold Line metro of Doha (Qatar). The intent was to get a continuous real-time geological forecast ahead of TBMs, useful to predict the quality of the groundmass and the presence of large quantities of water. The article describes how the system was set up,...