岩体破坏微震时空数据分形维数预警研究

IF 2.1 3区 地球科学 Q2 GEOSCIENCES, MULTIDISCIPLINARY
Congcong Zhao , Dazhao Song , Zilong Zhou
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引用次数: 0

摘要

矿山岩体破坏预警研究一直制约着矿山安全管理和企业生产效率的提高。对与矿山灾害相关的微震时空数据进行解译,实现矿区灾害预警。具体而言,在采矿现场收集岩体损伤时间和空间的关键要素,识别和提取与局部潜在损伤相关的事件。然后对其进行分形解释,构造了基于时空分形维数的分析方法。同时,结合现场时空要素分布和分形维数场云图对解译结果进行分析验证。最终构建了以时间和空间为中心的预警模型,形成了基于时空数据的矿山灾害多维预警方法。当分形维数大于等于0.52时,发出预警;预警精度可从103 m3提高到13 m3。通过分形维数的综合评价,结合现场实际预警范围,验证了方法体系的可行性,为矿山安全生产提供了支撑。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Research on fractal dimension warning of microseismic spatiotemporal data for rock mass failure
The research on rock mass failure and early warning mines has always constrained mine safety management and enterprise production efficiency. To interpret microseismic time and spatial data related to mining disasters, to achieve early warning of mining area disasters. Specifically, key elements of rock mass damage time and space are collected at the mining site, and events related to local potential damage are identified and extracted. They are then subjected to fractal interpretation, and an analysis method based on spatiotemporal fractal dimension is constructed. At the same time, the interpretation results are analyzed and verified by combining the distribution of on-site time and spatial elements and fractal dimension field cloud maps. Ultimately, a warning model centered on time and space was constructed, forming a method for multi-dimensional warning of mining disasters based on spatiotemporal data. When the fractal dimension value is greater than or equal to 0.52, a warning is issued; The warning accuracy can be improved from 103 m3 to 13 m3. The feasibility of the method system was verified through comprehensive evaluation of fractal dimension values and combined with the actual warning range on site, providing support for mine safety production.
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来源期刊
Journal of Applied Geophysics
Journal of Applied Geophysics 地学-地球科学综合
CiteScore
3.60
自引率
10.00%
发文量
274
审稿时长
4 months
期刊介绍: The Journal of Applied Geophysics with its key objective of responding to pertinent and timely needs, places particular emphasis on methodological developments and innovative applications of geophysical techniques for addressing environmental, engineering, and hydrological problems. Related topical research in exploration geophysics and in soil and rock physics is also covered by the Journal of Applied Geophysics.
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