在埋地或水下金属管道 上进行 密间隔 电位 检测 与直流 表面电位梯度 检测 Close-interval DC pipe-to-electrolyte potential surveys on buried or submerged pipelines. For those operating pipelines or performing, interpreting & regulating surveys.
在埋地或水下金属管道 上进行 密间隔 电位 检测 与直流 表面电位梯度 检测
Presents procedures for performing close-interval DC pipe-to-electrolyte potential surveys on buried or submerged metallic pipelines. This standard addresses the potential survey component of hybrid survey techniques such as trailing-wire DCVG or intensive measurement surveys, but does not address other surveys such as cell-to-cell techniques used to evaluate the direction of current or the effectiveness of the coating. This standard is intended for use by corrosion control personnel involved with operating pipelines, contractors performing close-interval surveys, corrosion professionals interpreting close-interval survey data, and regulatory agencies. Key words: cathodic protection, corrosion control, underground pipelines, close-interval potential survey, DC surface potential gradient survey.
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