| ACVG、DCVG技术在输气管道外检测中的应用 |
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| 引用本文： | 车飞,高海霞,刘新鄂,张健.ACVG、DCVG技术在输气管道外检测中的应用[J].管道技术与设备,2011(3):51-53. |
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| 作者姓名： | 车飞 高海霞 刘新鄂 张健 |
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| 作者单位： | 北京西管安通检测技术有限公司; |
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| 摘 要： | 外防腐层是埋地钢制管道控制腐蚀的重要部分,ACVG和DCVG是基于不同原理的两种外防腐层检测技术.文中通过对某在役管道ACVG、DCVG地面间接检测结果进行分析比较,并在直接开挖结果对上述两种检测结果验证的基础上,总结了ACVG和DCVG对外防腐层缺陷检测的不同优势,此两种检测方法配合使用可以大大提高外防腐层缺陷的检测...
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| 关 键 词： | 埋地管道 腐蚀 防腐层缺陷 电位梯度 |
Application of the ACVG and DCVG Technology to the Detection of Coating Defects in Buried Pipelines |
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| CHE Fei,GAO Hai-xia,LIU Xin-e,ZHANG Jian.Application of the ACVG and DCVG Technology to the Detection of Coating Defects in Buried Pipelines[J].Pipeline Technique and Equipment,2011(3):51-53. |
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| Authors: | CHE Fei GAO Hai-xia LIU Xin-e ZHANG Jian |
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| Institution: | CHE Fei,GAO Hai-xia,LIU Xin-e,ZHANG Jian (Beijing West Tube Inspection Technology Co.,Ltd.,Beijing 100012,China) |
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| Abstract: | Packing anticorrosive coating on steel pipes is one of the important methods to prevent the corrosion of buried pipes,ACVG and DCVG are two kinds of detecting technology based on different principles.The paper analyses the results of detecting in ACVG and DCVG,and verifies the final results in comparison with the direct digging results.It summarizes the different advantages of the ACVG and DCVG detectability to anticorrosive coating defects and proves that the combined use of the two kinds of detecting meth... |
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| Keywords: | underground pipeline corrosion deficiency of protection coating voltage gradient |
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