对地板微地震反应在超厚煤层采矿过程中的动态演变和评估进行调查
Haorui Wang1,2, Shangxian Yin3, Huiqing Lian3
1College of Geology and Environment, Xi'an University of Science and Technology, Xi'an, 710054, China. wanghr2333@163.com.
Scientific reports
|December 25, 2025
概括
微震 (MS) 监测有效地评估了厚煤层采矿中地下水冲入风险. 这项研究开发了一个使用MS活动的动态评估模型,改进了安全预测.
科学领域:
- 采矿工程 采矿工程 采矿工程
- 地质技术工程 地质技术工程
- 地质物理学 地质物理学
背景情况:
- 厚厚的煤层采矿大大扰乱了地板层,增加了水的冲入风险,特别是在弱水域和底层含水层.
- 微震 (MS) 监测是一种可靠的技术,用于评估地下水在采矿操作中的冲击风险.
- 现有的方法通常依赖于静态的地质参数,因此需要专注于动态指标进行风险评估.
研究的目的:
- 调查地板微地震 (MS) 活动的演变特征及其相关的水冲入风险在极厚的煤层开采过程中.
- 开发和验证地面水的定量评估模型,用于厚层采矿中的冲击危险.
- 为分析动态地板损坏过程提供理论和数据支持,并改进水冲入风险预测.
主要方法:
- 采用微地震 (MS) 监测来分析厚层采矿期间的地板活动.
- 开发了一种地板水冲入风险评估模型,使用分析层次过程-重法 (AHP-EWM).
- 相关联的MS监测指标 (影响区,故障深度,能量释放) 与现场数据 (水流入,矿井压力).
主要成果:
- 大多数地板MS事件都集中在研究工作面的太原形成中.
- 斯洛伐克州监测指标与观察到的水流量和矿井压力有很强的相关性.
- 综合动态MS指标的AHP-EWM模型与现场监测结果保持良好一致.
结论:
- 微地震监测为评估厚煤层采矿中地下水冲入风险提供了关键的动态指标.
- 开发的AHP-EWM模型提供了一种定量和可靠的系统,用于预测水冲入的危险.
- 这种方法通过改善地板损坏和水冲入的理解和预测来提高矿山安全.
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