黄金科学技术 ›› 2024, Vol. 32 ›› Issue (3): 523-538.doi: 10.11872/j.issn.1005-2518.2024.03.039
李昌1(),张见2,陈资南2,阚忠辉2,赵锐2,王晓军3,4()
Chang LI1(),Jian ZHANG2,Zinan CHEN2,Zhonghui KAN2,Rui ZHAO2,Xiaojun WANG3,4()
摘要:
准确判识岩石破裂对保障矿山安全生产具有重要意义。为此,提出了一种双元数据趋势融合分析方法,以单一趋势指标Ti、融合趋势指标C_Ti和趋势变化率R组合判别岩石破裂阶段。针对应力、位移和声发射3种岩石破坏的伴生信息,构建了象限坐标双元数据趋势融合预警模式,实现了岩石破裂等级的准确判识与预警,并分别采用室内试验数据和现场监测数据进行了验证。研究表明:双元数据趋势融合分析方法可以准确判识室内试验不同岩性岩石的破裂阶段;将该方法应用于现场监测数据分析,其预警结果在象限坐标中的分布具有明显特征,预警危险信号位于第四象限;现场验证该方法的预警结果与实际地压活动情况高度吻合。
中图分类号:
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