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Construction of Time-Space Structure Model of Deep Stope and Stability Analysis

机译:深采场时空结构模型的建立与稳定性分析

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摘要

To quantitatively characterize the evolution process of disaster-causing stress fields and to analyze the whole time domain characteristics of a stope from moving to stability, we constructed the four-dimensional time-space structure model of deep stope using PFC discrete element modeling software, and embedded transducers in the goaf area to monitor overlying strata movement characteristics. Targeting the gangue in the goaf area, the compression characteristics, energy absorption characteristics, and evolution of hulking coefficient over time during compaction are analyzed under different mining conditions. Results indicate that:
机译:为了定量地描述致灾应力场的演化过程并分析采场从迁移到稳定的整个时域特征,我们使用PFC离散元建模软件构建了采场的三维时空结构模型,并且在采空区嵌入传感器,以监测上覆岩层运动特征。针对采空区煤the石,分析了不同开采条件下压实过程中的压缩特性,能量吸收特性和压实系数随时间的变化。结果表明:

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