沈宇鹏, 王卿, 何井运, 白明洲. 2015: 基于电磁波属性特征探测城市地下水管漏水病害的研究. 工程地质学报, 23(s1): 786-792. DOI: 10.13544/j.cnki.jeg.2015.s1.121
    引用本文: 沈宇鹏, 王卿, 何井运, 白明洲. 2015: 基于电磁波属性特征探测城市地下水管漏水病害的研究. 工程地质学报, 23(s1): 786-792. DOI: 10.13544/j.cnki.jeg.2015.s1.121
    SHEN Yupeng, WANG Qing, HE Jingyun, BAI Mingzhou. 2015: BASED ON THE ELECTROMAGNETIC PROPERTIES TO DETECT THE DISASTER DUE TO LEAKAGE IN URBAN UNDERGROUND WATER PIPE. JOURNAL OF ENGINEERING GEOLOGY, 23(s1): 786-792. DOI: 10.13544/j.cnki.jeg.2015.s1.121
    Citation: SHEN Yupeng, WANG Qing, HE Jingyun, BAI Mingzhou. 2015: BASED ON THE ELECTROMAGNETIC PROPERTIES TO DETECT THE DISASTER DUE TO LEAKAGE IN URBAN UNDERGROUND WATER PIPE. JOURNAL OF ENGINEERING GEOLOGY, 23(s1): 786-792. DOI: 10.13544/j.cnki.jeg.2015.s1.121

    基于电磁波属性特征探测城市地下水管漏水病害的研究

    BASED ON THE ELECTROMAGNETIC PROPERTIES TO DETECT THE DISASTER DUE TO LEAKAGE IN URBAN UNDERGROUND WATER PIPE

    • 摘要: 城市输水管道破损泄露会导致次生的地面坍塌等地质灾害。通过对特定泄露位置和泄露程度的电磁波场有限差分模拟来分析泄露引起的电磁波波场变化特征, 分析得到利用均方根振幅属性可以较好的识别出管道漏水的严重程度, 特别是对上管道和下管道大面积漏水识别效果较好, 结合甜点属性, 压制了多次波的干扰效应, 更好地识别出上水和下水管道的具体位置和漏水程度, 分频属性技术可以很好地分辨漏水为上水大面积漏水或上下均大面积漏水, 通过3个不同属性的结合, 提出了更好地利用探地雷达数据对城市水管泄露导致的地质工程灾害进行识别和监控的有效方法。

       

      Abstract: There are many ground collapses and other geological disasters due to leakages of urban underground water pipes. Through finite difference method for specific leak location and extend of the electromagnetic field leakage, the variation of electromagnetic wave field leakage are analyzed. The root mean square amplitude attribute analysis utilized severity can better identify pipeline leaks, especially for the pipe and a large area of the pipeline leaks better recognition. Combined with sweetness property, suppress multiple wave interference effects, to better identify the specific location and leakage extent in supply pipes or drainage. It is good method to distinguish large area leaking in supply pipes or drainage using divider attribute technology. By combination of three different properties, some effective methods to detect leakage disaster in urban underwater pipes using ground-penetrating radar are proposed.

       

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