Liaoning Dahuofang Reservoir Water Transfer ( Phase Ⅱ) Project is the largest-scale linear engineering project in Liaoning Province that utilizes large-diameter PCCP pipelines. This paper takes this project as an example to introduce the design and application of the cathodic protection and corrosion environment monitoring system for directly buried PCCP. The system can continuously monitor parameters such as the cathodic protection potential, the corrosion rate of the steel reinforcement, and the corrosion status of the PCCP pipelines. By timely assessing the monitoring results, it is possible to predict the corrosion status of the PCCP pipelines, thereby preventing the damage to the water transfer pipelines due to stress corrosion and ensuring the reliability of cathodic protection and anti-corrosion measures. The content of this paper is of significant reference value for similar protects.
关键词
PCCP管道防腐监测/腐蚀环境监测/阴极保护监测
Key words
corrosion monitoring for PCCP pipelines/corrosion environment monitoring/cathodic protection and monitoring
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