许新刚,岳建华,夏书兵,张莹

• 1:中国矿业大学资源与地球科学学院
• 2:河南省煤炭地质勘察研究总院

摘要(Abstract)：

多层采空区积水情况调查对资源整合型矿井的安全生产至关重要。为了提高瞬变电磁法对多层采空富水性的勘察水平,采用数值技术方法对积水采空区的瞬变电磁场影响规律进行了研究,分析了高、低阻多种电性组合、两层采空区的中心回线响应特征。研究结果表明,多层采空的存在导致大地电性分布更加复杂,浅层采空区积水的存在将影响深部采空区积水情况的甄别,导致瞬变电磁法的垂向分辨率降低。地层电阻率随深度逐渐降低的电性结构有助于瞬变电磁法的垂向分层。

关键词(KeyWords)： 多层采空区;瞬变电磁法;积水采空区;涡流电场;低阻异常

Abstract:

Keywords:

基金项目(Foundation): 国家自然基金项目(41674133)资助

作者(Author): 许新刚,岳建华,夏书兵,张莹

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