Search Results: 'Hitachi'

The Seattle Saga
27 June, 2014
After six months of tunnelling standstill, construction is tarting on an access shaft to repair the TBM mining the SR 99 bore in Seattle, the largest diameter machine in the world. Nicole Robinson explores the machine’s initial journey and downtime.

How the west was won
27 June, 2014
Tunnelling work is as diverse and plentiful as the geography in the West Coast.

Shake and bake – Seismic and Geoelectric Prediction
26 March, 2014
Tucked in a corner of Bauma 2013, Geo Exploration Technologies set up their stand to showcase Bore Tunnelling Electrical Ahead Monitoring (Beam). The geoelectric system, developed a decade on from the introduction of geo-seismic predictive technology to the tunnelling industry, has a few key advantages claimed, while Amberg’s offering of Tunnel Seismic Prediction gets a revamp. Alex Conacher reports