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基于最小平方原理的开采矿山坡度稳定的上限限分析研究
Zhen Wang1, Ang Li1, Tianhao Yang1
1School of Engineering, Huanghe Science and Technology College, Zhengzhou, China.
Heliyon
|September 17, 2024
概括
这项研究引入了一种新的可视化方法,用于使用上限极限分析分析分析露天矿山坡度稳定性. 该方法准确地识别了故障机制,并确保了速度分离,以实现更安全的斜坡演变.
科学领域:
- 地质技术工程 地质技术工程
- 岩石力学 岩石力学 岩石力学
- 采矿工程 采矿工程 采矿工程
背景情况:
- 在露天采矿操作中,斜坡稳定性至关重要.
- 传统的分析方法在复杂的岩石质量故障中可能存在局限性.
- 准确预测故障机制对于矿山安全和效率至关重要.
研究的目的:
- 扩大对露天矿山坡度稳定的上限限分析的应用.
- 提出一种新的可视化方法来分析岩石质量剪切失败.
- 开发一个循环算法,用于稳定性分析,并纳入能量平衡.
主要方法:
- 基于塑料力学原理的岩石质量故障机制的分析.
- 离散数学理论和最小平方原理用于对数螺旋可视化的应用.
- 使用能量平衡条件开发稳定性分析周期算法.
- 与结果评估的极限平衡方法的整合.
主要成果:
- 拟议的对数螺旋可视化方法与原始曲线具有很高的一致性 (相关系数平方>0.9995).
- 上限极限分析在斜坡工程应用中表现出超高的准确性.
- 鉴定到的关键滑动面满足了速度分离的要求,解决了斜率演变中的问题.
- 该方法有效地解决了斜率演变期间的速度问题.
结论:
- 开发的可视化方法和上限极限分析为露天矿山坡度稳定提供了高度准确和可靠的方法.
- 该方法确保速度分离的能力提高了其在预测和管理斜率演变中的适用性.
- 这项研究为在开放式采矿工程中应用先进分析技术提供了更坚实的基础.
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