高级检索

    等值反磁通瞬变电磁和直流充电法在金属矿山水害来源探查中的应用

    Integrated exploration of water disaster sources in metal mines using the Equivalent Reverse Flux Transient Electromagnetic Method and DC Charging Method

    • 摘要: 金属矿山水害是威胁矿山安全生产的重要原因。水害的发生不仅影响生产进度,更有甚者会直接造成人员伤亡和重大财产损失。金属矿山水害主要是通过潜在的地下裂隙进行渗漏,随着渗漏时间的累积,可引发作业区塌陷等危及矿山安全事故,所以查明造成金属矿山水害的潜在因素尤为重要。本文通过对东秦岭金堆城钼矿矿坑出现的不明水害进行追根溯源,优选等值反磁通瞬变电磁法及直流充电法对工作区进行无损探测,经综合分析,查明引起水害的来源为矿坑旁侧的河水渗漏,并根据物探电阻率、电位、电位梯度极值变化特征准确判断出隐伏的渗水通道,为进一步开展水害治理提供了依据。

       

      Abstract: Water disasters in metal mines constitute a critical threat to mine safety and production.Their occurrence not only disrupts production progress but may also directly result in casualties and substantial property losses.Such water disasters in metal mines primarily manifest as seepage through concealed underground fractures.Over time,the accumulation of seepage can trigger accidents that endanger mine safety,such as collapses in working areas.Therefore,identifying the potential factors that lead to water disasters in metal mines is of paramount importance.This paper focuses on tracing the source of an unidentified water disaster occurring in the Jinduicheng Molybdenum Mine in the East Qinling Mountains.The equivalent reverse flux transient electromagnetic method and the DC charging method were optimally selected for non-destructive detection in the study area.Through comprehensive geophysical analysis,the source of the water disaster is identified as river water seepage adjacent to the mine pit.Furthermore,the concealed water seepage pathways are accurately delineated based on the extreme variation characteristics of geophysical parameters,including resistivity,potential,and potential gradient.The results provide a reliable basis for the subsequent implementation of water disaster control measures.

       

    /

    返回文章
    返回