一个数值设计框架,用于在深度矿开采中卸载挖掘
Yiqiang Zhang1, Siarhei Lapatsin2, Michael Zhuravkov1,3
1School of Mechatronics Engineering, Harbin Institute of Technology, Harbin, 150001, China.
Scientific reports
|December 22, 2025
概括
卸载挖掘通过减少岩石断裂区来提高深层矿的稳定性. 这种方法通过模拟和现场数据验证,为地下结构提供有效的安全措施.
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
- 岩石力学 岩石力学 岩石力学
背景情况:
- 在矿的地下深层结构面临稳定性挑战,原因是岩石压力高,岩石质量异质.
- 传统的支持方法往往是不够的,需要创新的策略来确保结构完整性.
研究的目的:
- 调查使用卸载挖掘作为在盐岩群中地下结构的安全措施的有效性.
- 评估通过这种技术在不同深度 (300-1200米) 实现的极限状态区域的减少.
主要方法:
- 利用有限元素方法 (FEM) 模拟,使用复杂的极限状态标准来建模岩石质量行为.
- 验证了FEM模型与来自矿挖掘的长期田地变形数据相对应.
- 分析了卸载挖掘位置和尺寸对稳定性的影响.
主要成果:
- 卸载挖掘的战略位置显著减少了国家边界区域的7%至90%以上.
- 斯塔罗宾矿床的最佳设计参数包括一个直径为3米的卸载挖掘处,距离主要挖掘处1.5-7米.
- 5-6米的放置距离被证明是最小化边界状态区域的最有效方法.
结论:
- 卸载挖掘是提高矿深层地质技术结构稳定的可行技术.
- 该研究提供了初步设计指南,并建议对其他地质工程项目的潜在适用性.
- 这种创新方法为深度地下挖掘所带来的挑战提供了有希望的解决方案.
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