| 基于探地雷达原位试验的空区探测研究 |
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| 引用本文： | 金解放,赵奎. 基于探地雷达原位试验的空区探测研究[J]. 矿冶工程, 2011, 31(5): 4-8 |
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| 作者姓名： | 金解放 赵奎 |
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| 作者单位： | 1. 江西理工大学 建筑与测绘工程学院, 江西 赣州 341000; 2. 中南大学 资源与安全工程学院, 湖南 长沙 410083 |
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| 基金项目： | “十一五”国家科技支撑计划(2008BAB32B03); 江西省教育厅科技资助项目(GJJ09250) |
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| 摘 要： | 选用露天矿山边坡已揭露的空区进行探地雷达原位试验, 利用媒质的介电常数以及电磁波在地下介质中的反射和衰减特性, 结合空区露头的实际情况以及钻探资料对探测结果进行识别解释;进而归纳出该矿山边坡不同地质条件下电磁波反射特征。将原位测试得到的规律应用到该矿山其他位置处的空区探测, 并用现场钻孔和地质资料对其可靠性进行检验。研究结果表明, 基于原位试验获取拟探测矿山的雷达资料解释电磁波在同一矿山空区及其围岩中的传播规律的方法可行。
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| 关 键 词： | 空区探测 探地雷达 原位试验 识别机理 露天边坡 |
| 收稿时间： | 2011-05-13 |
Study on Mined-out Area Detection Based on In-situ Test with Ground Penetrating Radar |
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| JIN Jie-fang,ZHAO Kui. Study on Mined-out Area Detection Based on In-situ Test with Ground Penetrating Radar[J]. Mining and Metallurgical Engineering, 2011, 31(5): 4-8 |
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| Authors: | JIN Jie-fang ZHAO Kui |
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| Affiliation: | 1. School of Architectural and Surveying Engineering, Jiangxi University of Science and Technology, Ganzhou 341000, Jiangxi, China; 2. School of Resources and Safety Engineering, Central South University, Changsha 410083, Hunan, China |
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| Abstract: | In-situ testes with ground penetrating radar(GPR) were conducted for the known mined-out area under open pit slope.Utilizing permittivity of medium and attenuation characteristic of electromagnetic wave during its propagation in heterogeneous underground medium,detection data were identified and interpreted based on the field observation of outcrops in mined-out area and drilling data.Reflection characteristics of electromagnetic wave were induced under different geological conditions.Results obtained from ... |
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| Keywords: | cavity detection ground penetrating radar(GPR) in-situ test identifying mechanism open pit slope |
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