List of products by author: R. Holley

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  The Use of Satellite Technology on Sydney Metro Northwest Tunnel Construction

  Abstract: The recently opened Sydney Metro North West Line includes 15km of twin running tunnels that were constructed in rock using four double shield TBMs. The selected route, with an open cut station at Cherrybrook, passes through a designated landslip zone along a steep sided ridge line. The station is in the middle of the landslip zone, with shallow tunnels either side required in order to avoid a...

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