多手段物探技术在露天矿山边坡地质勘探中的应用
投稿时间:2018-11-06  修订日期:2018-12-02  点此下载全文
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作者单位E-mail
黄正均 北京科技大学 土木与资源工程学院 huang_jun.0518@163.com 
张英 北京科技大学 土木与资源工程学院 ccuummttdd@163.com 
中文摘要:为确定露天矿山边坡地质体的地下分布和形态,采用多手段物探方法(AGI高密度电阻率法和EH4大地电磁法)对露天矿山边坡进行了地质探测研究,充分利用AGI高密度电阻率法的抗干扰能力强、浅层测量精度高和EH4大地电磁法探测深度大、覆盖范围广的优点,较为准确地探测出矿山边坡地质构造情况。结果表明:该矿区西部边坡赋存两组大的断层构造,且构造带较宽,次生构造也较发育,富含水区域面积大、深度较深,对矿山边坡的整体稳定性具有不利影响。探测结果可为后续矿山开采设计和安全生产提供有力保障。
中文关键词:高密度电阻率法  大地电磁法  地质勘探  边坡稳定
 
Application of multi-method geophysical techniques in geological exploration of open-pit mine slope
Abstract:In order to investigate the underground distribution and morphology of open pit mine geological bodies, multi-method geophysical methods (AGI high-density electrical method and EH4 electromagnetic surveying method) were used to conduct geological exploration on open pit mine slope, making full use of that the anti-interference ability is strong, and the shallow measurement accuracy is high of the AGI high-density electrical methods, and the EH4 electromagnetic surveying has the advantages of large depth of detection and wide coverage, and the geological structure of the mine slope is accurately detected. The results show that there are two large fault structures in the western slope of the mining area, and the structural belt is wide and the secondary structure is relatively developed. The water-rich area is large and deep, which has an adverse effect on the overall stability of the mine slope. The detection results can provide a strong guarantee for the subsequent mining design and safe production.
keywords:high-density resistivity method  electromagnetic surveying method  geological exploration  slope stability
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