定向钻穿越技术被广泛应用于管道建设工程,由于定向钻穿越管道(HDD管道)施工工艺的局限性,采用常规的检测手段很难对其防腐蚀层和阴极保护效果进行检测评价.对国内外HDD管道防腐蚀层和阴极保护的检测方法进行总结,并对HDD管道防腐蚀层和阴极保护评价方法的发展趋势进行了展望.
Directional drilling technology has been widely used in pipeline construction projects.Because of the limitation of construction technology for horizontal directional drilling (HDD) pipeline,it is hard to evaluate the anticorrosion layer and cathodic protection effect to the HDD pipeline through routine test.The current evaluation methods of anticorrosion layer and cathodic protection of HDD pipeline at home and abroad are summarized,and the research trend of the evaluation methods of HDD pipeline is discussed.
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