[an error occurred while processing this directive]

Coal Engineering ›› 2026, Vol. 58 ›› Issue (6): 62-68.doi: 10.11799/ce202606009

Previous Articles     Next Articles

Research on fault prediction technology based on seismic-while-excavating monitoring #br#

  

  • Received:2025-11-25 Revised:2026-04-02 Online:2026-06-15 Published:2026-06-24

Abstract:

Exploration-production imbalance has long been a core bottleneck to safe, efficient, and intelligent coal mining in China. This study employs Seismic-while-excavating (SWE) technology for dynamic fault monitoring within the working face. First, adaptive filtering, empirical mode decomposition (EMD), and time-window segmentation preprocess vibration signals from the road header collected by the geophone array. Then, using an SWE interferometry imaging method, long-term continuous seismic signals measured in the roadway are cross-correlated with concurrent near-source wavelet signals from the road header. By leveraging principles of artificial controlled sources, this process generates virtual shot gathers resembling conventional seismic data. Finally, dynamic seismic imaging technology utilizes these equivalent shot gathers and precise road header positioning to detect geological structures within the working face. Predicted results align closely with actual conditions, confirming this technology enables refined dynamic monitoring of internal faults.

CLC Number: