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List of products by author: A. Thomas
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ITAtech design guidance for precast fibre rein-forced concrete segments
Abstract: The ITAtech Subactivity group on fibre reinforcement for precast concrete segments intends to publish its guideline at the end of 2015. This paper is intended to present the salient features of the guideline for what is an increasingly popular but at times poorly understood technology. Fibre reinforcement offers many advantages over traditional bar reinforcement of tunnel lining segments. Not...
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The design of the Fehmarnbelt Tunnel
Abstract: Since the signing of the treaty in September 2008 by the Danish and the German Ministers of Transport, many various options for the crossing of the Fehmarnbelt have investigated. All the hard work done by the Ramboll-Arup-TEC (RAT) joint venture was justified by the decision in 2011 by the Danish Parliament to develop a Plan Approval and Tender design for an immersed tunnel as the preferred...
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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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