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现代矿业 2019, Vol. 35 Issue (1) :1-4    DOI:
地质·测量 最新目录 | 下期目录 | 过刊浏览 | 高级检索 << | Next Articles >>
铝土矿岩溶超前地质预报技术研究及应用
邢修举,蒋齐平,吴正飞*
中煤科工集团西安研究院有限公司
Research and Application of Advanced Geological Prediction Technology for Bauxite Karst
Xing Xiuju,Jiang Qiping,Wu Zhengfei*
Xi'an Research Institute Co.Ltd.,China Coal Technology and Engineering Group Corp.

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摘要 瓦厂坪铝土矿的开采面临岩溶发育及岩溶水害等地质问题。针对铝土层这一相对顶底板围岩是低阻介质的情况,试验了多种物探方法,通过设计合理的矿井瞬变电磁和无线电波透视技术,绘制了相对应的视电阻率等值线拟断面图和电磁波吸收衰减系数等值线平面图,圈定出了工作面内部的岩溶区。结果表明:岩溶发育区在瞬变电磁法成果图中为低阻反应,在无线电波透视成果图中是电磁波高吸收区,2种方法所取得的成果对岩溶发育的位置反应一致,能有效地评价工作面岩溶发育和其导含水情况。
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邢修举
蒋齐平
吴正飞
关键词铝土矿   岩溶发育   超前地质预报   瞬变电磁法   无线电波透视法     
Abstract: The karst development and the serious threat of Karst water damage in the Wachangping Bauxite Mine. The bauxite layer is a low-resistance medium in the case of a relatively high-resistance surrounding rock. A variety of geophysical methods have been tested. By designing a reasonable mine transient electromagnetic and radio wave perspective technique, the corresponding apparent resistivity contours are drawn. The cross-sectional view and the contour map of the electromagnetic wave absorption attenuation coefficient define the karst area inside the working face. The results show that the karst development area is a low-resistance reaction in the results of the transient electromagnetic method,and it is a high-absorption area of electromagnetic waves in the radio wave perspective results. The results of the two methods are consistent with the location of the Karst development, which can effectively evaluate the working surface.Karst development and its water-conducting condition.
KeywordsBauxite   Karst development   Advanced geological prediction   Transient electromagnetic method   Radio wave perspective     
Fund:

*国家自然科学基金项目(编号:NSFC41674133);中煤科工集团西安研究院有限公司青年基金项目(编号:2018XAYQN11)。

引用本文:   
邢修举, 蒋齐平, 吴正飞.铝土矿岩溶超前地质预报技术研究及应用[J]  现代矿业, 2019,V35(1): 1-4
XING Xiu-Ju, JIANG Qi-Ping, WU Zheng-Fei.Research and Application of Advanced Geological Prediction Technology for Bauxite Karst[J]  Modern Mining, 2019,V35(1): 1-4
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