基于多因素决策理论的煤岩压力评估
Zhenming Sun1, Youlong Chen1, Yunbing Hou1
1China University of Mining and Technology-Beijing, China.
Heliyon
|May 30, 2024
概括
预测煤炭表面的岩石压力强度对于安全至关重要. 一种新的双维评估方法使用沉积物压力,微地震和钻探数据来准确评估岩石压力,防止事故.
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
- 岩石机械学 岩石机械学
背景情况:
- 煤炭开采期间的岩石压力行为每年造成大量人员伤亡和设备损坏.
- 准确预测煤炭表面的岩石压力强度对于预防事故至关重要.
研究的目的:
- 提出和验证一个新的"双维岩石压力强度评估方法"用于煤层.
- 为了提高岩石压力强度的预测准确性,并减轻与采矿有关的事故.
主要方法:
- 应用了沉积物压力控制定律和微地震监测数据来得出初始岩石压力强度指数 (I).
- 在煤表面尺度上利用欧几里德距离公式,结合岩石压力控制机制,以获得第二个岩石压力强度指数 (I).
- 使用岩石压力强度等级矩阵对两个指数进行相互校正,确定最终的煤面岩石压力强度等级.
主要成果:
- 双维评估方法在煤炭表面应用时显示出准确的预测.
- 预测的结果与煤炭表面实际观察到的条件密切一致.
结论:
- 拟议的双维岩石压力强度评估方法为预测岩石压力强度提供了可靠的理论参考.
- 这种方法可以大大有助于防止采矿操作中的岩石压力事故.
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