Frontiers of Engineering Management
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2024, Volume 11, Issue 1
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Frontiers of Engineering Management >> 2024, Volume 11, Issue 1 doi: 10.1007/s42524-023-0288-7
Technical innovation in the “Beishan No. 1” hard rock tunnel boring machine for high-gradient spiral tunnels
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tunnel boring machine ; extremely hard rock ; continuous small-radius curves ; high gradient ; equipment technology ; innovation
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