Lu says the surveyors claim they don’t feel threatened by the alignment-and-surveying tool. “They told us we’re lending a big hand to help alleviate their resource constraints," Lu says. "They need this real-time data online for tunnel-alignment survey.”
New Alignment System for Tunneling Machines To Be Tested
Monitoring the device requires a laptop and a lot of know-how.
Courtesy University of Alberta
Because of an obscured field of vision, different tactics and algorithms were developed for micro-tunneling and drainage tunneling.
Courtesy University of Alberta
Three prism sensors are necessary to fill out the equation that triangulates the location of the entire length of the TBM.
Courtesy University of Alberta
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