2015
DOI: 10.22260/isarc2015/0074
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Analytical Tunnel-Boring Machine Pose Precision and Sensitivity Evaluation for Underground Tunnelling

Abstract: PracticalTunnel-boring Machine (TBM) guidance systems usually use sophisticated instruments to obtain the orientation of the TBM. These systems require frequent calibration and work shutdown, making the procedure complex and time consuming. Besides, the majority of current TBM guidance solutions cannot provide the position of the invisible cutter head analytically including commonly used laser point tracking system. This makes it impossible to check the accuracy of the TBM positioning for ensuring the quality … Show more

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