在一公里深的煤矿中,合作控制技术和软岩路径的支持和修改的应用
En Wang1,2, Shuaifeng Yin3, Xuexi Chen4
1School of Mine Safety, North China Institute of Science and Technology, Langfang, 065201, China.
Scientific reports
|January 14, 2025
概括
深层煤矿的道路面临着变形的挑战. 一种新的协同支持和修改技术有效地确保了这些软岩道的安全性和稳定性,改善了矿山生产.
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
- 岩石力学 岩石力学 岩石力学
背景情况:
- 在几公里深的矿井中,软岩路面遭受了严重的变形,阻碍了安全和高效的煤炭生产.
- 这些道路的定期扩建和维修是昂贵和破坏性的.
研究的目的:
- 分析深层软岩矿区道路变形的主要原因.
- 调查压力场的演变和损伤机制.
- 提出并验证一项新的协同控制技术,用于道路稳定性.
主要方法:
- 分析典型深层软岩路的地面应力和机械特性.
- 构建一个Flac3D数值模型来模拟周围岩石的变形.
- 内镜观察以确定围绕岩石的道路损伤范围.
主要成果:
- Flac3D模型准确地反映了道路变形特征.
- 分析揭示了应力场的演变和损伤机制.
- 建议并应用了支持和修改的协同控制技术.
结论:
- 协作控制技术确保深层软岩道路的安全性和稳定性.
- 本研究提供了安全和智能煤炭开采的初步技术参考.
- 这些发现对于解决深度地下挖掘中变形挑战至关重要.
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