基于冲击风险量化评估模型的采掘方案优化案例研究

doi:10.11799/ce202305002

Abstract

Abstract: The quantitative rock burst risk assessment model, a theory-based and data-driven fusion of rock burst risk assessment method, has broad prospects in the field of rock hazardous burst, but there is still relatively little research on the application of this technique to assess impact hazards. In this paper, the quantitative rock burst risk assessment model is combined with real-time monitoring data to perform a real-time quantitative risk assessment of the hazards during the retrieval process of the 7302 working face in the Heze Zhaolou coal mine, and the area of strong rock burst risk assessment (risk assessment value > 0.75) is analyzed and verified. It was found that the strong rock burst risk area was proportional to the electromagnetic radiation value and had good consistency, which verified the feasibility of the quantitative rock burst risk assessment model. On this basis, the rock burst risk prediction for the subsequent mining process was carried out using the current data. By comparing and analyzing the changes and evolution of the risk zone, a reduction plan with a relatively low Rock burst risk was identified.

CLC Number:

TD324

References

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Case Study of Extraction Plan Optimization Based on Quantitative Rock Burst Risk Assessment Model

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