Integrated three-dimensional visualization and soft-sensing system for underground paste backfilling

Published in Tunnelling and Underground Space Technology, 2022

This study addresses the challenge of accurately monitoring cemented paste backfilling (CPB) processes in harsh underground environments by proposing a 3D visualization and soft-sensing system. Using a GeoSLAM ZEB-HORIZON laser scanner, the system captures detailed 3D models of underground goafs and estimates backfilling height in real time based on accumulated paste volume. The framework further enables web-based simulation and visualization of the filling process, improving operational awareness and decision-making. Field validation in a real copper mine demonstrates that the proposed soft-sensing technique achieves a relative error below 10%, confirming its practical reliability and value for production management in CPB operations.

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Recommended citation: Zhaolin Yuan, Xiaojuan Ban, Fangyuan Han, Xingquan Zhang, Shenghua Yin, Yiming Wang, "Integrated three-dimensional visualization and soft-sensing system for underground paste backfilling." Tunnelling and Underground Space Technology, 2022.
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