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List of products by author: D. J. Och
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Identification of a Fine "Tuff" Lamination in the Rouse Hill Siltstone Member of the Ashfield Shale, Sydney Basin,...
Abstract: The Sydney Metro is Australia’s largest public transport project, and historical and recent ground data is being collected and used at an unprecedented scale to create robust rock models for the proposed tunnel alignments. Geotechnical investigations target the Triassic Wianamatta Group, Mittagong Formation and Hawkesbury Sandstone of the Sydney Basin. Despite these geological units being well...
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Sydney Metro - Site Investigation and Ground Characterisation for the Sydney Harbour Crossing
Abstract: Sydney Metro is Australia’s largest public transport project, extending 65 km from the northwest of Sydney, under the iconic Sydney Harbour, through the CBD and then towards Bankstown to the west. The harbour crossing is a key element of Sydney Metro. Limited geotechnical information existed prior to the project. As such, detailed geophysical and geotechnical investigations to facilitate early...
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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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