System and method for real-time guidance and mapping of a tunnel boring machine and tunnel
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United States of America Patent
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Issued Date -
Aug 17, 2017
app pub date -
Feb 11, 2016
filing date -
Feb 11, 2016
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Abstract
A system and methods are disclosed for providing the location of a tunnel boring machine (TBM) by establishing of a plurality of known locations or “monuments”; from these monuments located at least on, over or within the TBM's start point, known in the art as a “pit”. The present invention provides among other things an integrated navigation system that provides real-time parametric guidance information to the TBM, relative to the tunnel origin, past course and current trajectory, while simultaneously employing a non-contact measuring system in concert with said origin and course information for the final provision of an as-built map of tunnel dimensions and centerline.
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