使用统计分析来识别与露天采矿中的岩石流相关的有影响力的斜坡参数
Josef Bourgeois1, Sean Warren1, Jorge Armstrong2
1CDC/NIOSH/SMRD, Spokane, WA.
概括
研究人员使用统计软件分析了岩石落的流失距离,并比较了刚体和块质量模型. 这项研究通过检查关键影响因素,为更安全的露天采矿实践提供了信息.
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
- 计算式岩石落分析分析
背景情况:
- 岩石落分析对于矿山安全和运营规划至关重要.
- 复杂的建模工具,包括刚体和块质量模型,可在统计软件中找到.
- 不同的工程师对这些模型的经验需要明确指导参数输入和结果解释.
研究的目的:
- 为了研究斜坡高度,角度,材料和岩石大小对岩石布流出距离的影响.
- 在二维统计分析中比较刚性体和块质量模型的性能.
- 为了确定岩石落水对输入参数变化在开放式采矿环境中的敏感性.
主要方法:
- 用一个二维统计分析程序来模拟岩石落.
- 调查了刚体和块质量模型.
- 选定的输入参数范围 (斜坡高度,角度,材料,岩石大小) 基于文献和行业输入,用于开采采矿.
主要成果:
- 量化了各种参数组合的90%的岩石落冲走距离.
- 评估了岩石落水对单个输入参数的敏感性.
- 建立了一个比较数值模拟数据与经验性岩石落数据的基础.
结论:
- 统计分析软件提供了关于岩石落的有价值的见解.
- 了解模型参数及其影响对于准确地预测采矿中的岩石落至关重要.
- 研究结果将与NIOSH的高墙安全项目中的经验数据进行验证.
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