评估煤层开采对上覆地层影响的定量标准及应用

IF 1.5 4区 工程技术 Q3 METALLURGY & METALLURGICAL ENGINEERING Mining, Metallurgy & Exploration Pub Date : 2024-03-08 DOI:10.1007/s42461-024-00953-z
Yang Li, Nan Wang, Yifei Song, Xinghai Lei, Tiezheng Li, Lingyun Zou
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引用次数: 0

摘要

关键地层的稳定性对确保煤层开采作业安全有效至关重要。为了最大限度地减少对关键地层的扰动影响,确保关键地层的稳定性,评估采矿活动对关键地层的扰动程度至关重要。本研究提出了 "关键地层扰动度(KSDD)"评价指标,并建立了 KSDD 定量标准,以衡量关键地层的扰动程度。为方便评估过程,开发了 KSDD 智能计算系统。分类标准是综合多个矿井测量的三区高度得出的。利用实地测量数据验证了 KSDD 定量标准的可靠性和准确性。此外,还将 KSDD 定量标准应用于梅花井 23 号矿区,并分析了 KSDD 的分布特征。本研究的结果可为后续采矿作业中减少扰动和提高关键地层的稳定性提供有价值的参考。总之,本研究为评估和减轻采矿活动对关键地层的扰动提供了一种综合方法,对煤层开采中的地面控制领域做出了贡献。
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Quantitative Criterion and Applications for Assessing the Impact of Coal Seam Mining on Overlying Strata

The stability of key strata is of utmost importance in ensuring safe and effective coal seam mining operations. To minimize disturbance impacts on these strata and ensure their stability, it is crucial to assess the degree of disturbance caused by mining activities. This study proposes the evaluation index “disturbance degree of key stratum (KSDD)” and establishes a quantitative KSDD criterion to measure the degree of disturbance on key strata. To facilitate the assessment process, an intelligent calculation system for KSDD is developed. The classification criteria are derived by combining the measured three-zone heights from multiple mines. The reliability and accuracy of the KSDD quantitative criterion are validated using field measurement data. Furthermore, the KSDD quantitative criterion is applied to the Meihuajing mining area No. 23, and the distribution characteristics of KSDD are analyzed. The findings of this study can serve as a valuable reference for reducing disturbance and enhancing the stability of key strata during subsequent mining operations. Overall, this work contributes to the field of ground control in coal seam mining by providing a comprehensive approach to assess and mitigate the disturbance caused by mining activities on key strata.

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来源期刊
Mining, Metallurgy & Exploration
Mining, Metallurgy & Exploration Materials Science-Materials Chemistry
CiteScore
3.50
自引率
10.50%
发文量
177
期刊介绍: The aim of this international peer-reviewed journal of the Society for Mining, Metallurgy & Exploration (SME) is to provide a broad-based forum for the exchange of real-world and theoretical knowledge from academia, government and industry that is pertinent to mining, mineral/metallurgical processing, exploration and other fields served by the Society. The journal publishes high-quality original research publications, in-depth special review articles, reviews of state-of-the-art and innovative technologies and industry methodologies, communications of work of topical and emerging interest, and other works that enhance understanding on both the fundamental and practical levels.
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