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AN EVALUATION MODEL OF PIPELINE COATING |
San He;Zongming Yuan |
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Abstract Current coating detection technology and evaluation index are summarized. A method of fast monitoring coating is studied according to the existing coating detection technology, and the relevant mathematical model and evaluation method is discussed. In practice, one can evaluate coating using data of cathode protection system directly or using data from test by himself. The application to one pipeline in Sichuan indicated that the method is fast and valid, which can make the sequential tracking and dynamic monitoring of coating status come true, and the method can locate the coating defects quickly and decrease the maintenance cost of pipeline.
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Received: 20 August 2003
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