开发和性能验证的实时压力提取装置,用于深挖引发的压力
Bojia Xi1, Pengfei Shan1,2, Biao Jiao3
1College of Energy and Mining Engineering, Xi'an University of Science and Technology, Xi'an 710054, China.
Sensors (Basel, Switzerland)
|February 13, 2026
概括
一个新的设备准确地监测深层矿井的现场应力,即使有岩石损伤. 这项创新有助于分析周围岩石的稳定性,防止灾害.
科学领域:
- 地质技术工程 地质技术工程
- 采矿工程 采矿工程 采矿工程
- 岩石机械 岩石机械
背景情况:
- 深度采矿面临着高的现场压力和干扰,影响岩石质量的稳定性和矿山安全.
- 准确的实时监测现场压力对于深度地下工程至关重要.
- 传统的压力监测方法在高压力和强烈干扰条件下是有限的.
研究的目的:
- 开发和验证用于深度采矿条件的新型现场压力监测装置.
- 为了评估设备在各种应力路径和岩石退化水平下的性能.
- 为周围岩石稳定性分析和防灾提供实用解决方案.
主要方法:
- 开发一种新的现场压力监测设备.
- 实验室实验模拟深层周围岩石条件 (卸载-重新加载,双轴不均应力).
- 在完整和预损坏的岩石样本上进行测试 (30%,50%,70%的损伤).
- 使用应变信号采集和声辐射分析进行性能评估.
主要成果:
- 该设备在整个装载-卸载周期中稳定地获得了应变信号.
- 反向应力监测显示了与负载的高一致性 (峰值应力误差<5%,R2>0.95).
- 监测保持稳定,尽管波动增加,初始岩石损伤更高.
- 声辐射数据证实了压力监测结果的可靠性.
结论:
- 开发的设备可以在深度采矿中进行准确和动态的现场应力监测.
- 它提供了一种实际的技术方法来评估周围岩石的稳定性.
- 这些发现有助于加强矿山安全和防灾战略.
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