| 斜坡地形条件下地下管线勘察的定位方法 |
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| 引用本文： | 傅平.斜坡地形条件下地下管线勘察的定位方法[J].物探与化探,1991,15(6):439-447. |
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| 作者姓名： | 傅平 |
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| 作者单位： | 中国地质大学·北京 |
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| 摘 要： | 本文给出了在斜坡地形条件下地下管线电流异常磁场的表达式,计算出了在地下管线上方各磁场分量的理论剖面曲线,阐明了各磁场分量的分布规律及其异常特征,提出了利用H_z剖面曲线的哑点及峰点位置对地下管线进行水平定位和确定深度的简便方法。
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| 关 键 词： | 管线 地下 电流 异常 磁场 定位 |
THE LOCATING METHOD IN PIPELINE SURVEY UNDER THECONDITION OF CLINOFORM |
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| Institution: | China University of Geosciences, Beijing |
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| Abstract: | This paper has given the expression for the anomalous magnetic field ofpipeline current under the condition of clinoform, calculated theoretical profilecurves of various magnetic field components over the underground pipeline,described the distribution regularity of various magnetic field camponents andcharacteristics of their anomalies, and suggested a simple and convenientmethod for horizontal location and depth determination of the undergronudpipeline by using the dumb point and peak point on the Hz profile curve. |
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