<p>This paper reviewed the geological exploration, inference, and prediction methods in tunnelling. We summarised many types of geological exploration equipment, which can directly obtain the geotechnical parameters and provide the point data for geological estimation and prediction at various measured points. Then, the geological estimation approaches based on statistical-probabilistic methods were compared to show their capability to evaluate the geological conditions between different boreholes. Additionally, we reviewed various artificial intelligence (AI) methods applied to establish the relationship between shield parameters and geotechnical parameters for the geological types classification, geotechnical parameters prediction, and real-time geological feature identification ahead of the shield cutterhead. Finally, we proposed the next-generation intelligent geological exploration framework for smart shield tunnelling. By implementing the space-air-ground-machine intelligent monitoring and detection system, the construction 4.0 system is established based on Digital Twins, Internet of Things (IoT) techniques, Building Information Model (BIM) technology and Physics-informed neural network (PINN) prediction models. The engineers can adjust tunelling parameters in various formations using a Geographic Information System (GIS) platform and virtual reality technology to improve the efficiency and safety of smart shield tunnelling.</p>

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Geological information in shield tunnelling: exploration, estimation, prediction, and perspectives

  • Tao Yan,
  • Shui-Long Shen,
  • Annan Zhou,
  • Zhen-Yu Yin

摘要

This paper reviewed the geological exploration, inference, and prediction methods in tunnelling. We summarised many types of geological exploration equipment, which can directly obtain the geotechnical parameters and provide the point data for geological estimation and prediction at various measured points. Then, the geological estimation approaches based on statistical-probabilistic methods were compared to show their capability to evaluate the geological conditions between different boreholes. Additionally, we reviewed various artificial intelligence (AI) methods applied to establish the relationship between shield parameters and geotechnical parameters for the geological types classification, geotechnical parameters prediction, and real-time geological feature identification ahead of the shield cutterhead. Finally, we proposed the next-generation intelligent geological exploration framework for smart shield tunnelling. By implementing the space-air-ground-machine intelligent monitoring and detection system, the construction 4.0 system is established based on Digital Twins, Internet of Things (IoT) techniques, Building Information Model (BIM) technology and Physics-informed neural network (PINN) prediction models. The engineers can adjust tunelling parameters in various formations using a Geographic Information System (GIS) platform and virtual reality technology to improve the efficiency and safety of smart shield tunnelling.