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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...
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...