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Title:	Innovative NATM solutions for major subway stations in North America - An overview of recent developments and project case histories
Abstract:	Since the first mined subway stations were constructed in Washington, DC in the mid-80s, European engineers and construction professionals have been promoting the benefits of the conventional tunneling method for major urban infrastructure projects throughout North America. In recent years, significant advances have been made in the use of numerical design tools, innovative construction approaches, fiber reinforced shotcrete mixes and the increased use of robotics and laser-scanning equipment. This article provides an overview of key technologies and innovations applied on recent projects, including Chinatown Station in San Francisco; Parliament, Lyon and Rideau Stations in Ottawa; and Laird, Avenue and Oakwood Stations in Toronto.
Source:	Geomechanics and Tunnelling 12 (2019), No. 5
Page/s:	450-455
Language of Publication:	English/German

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