Interference of Second-building Grounding Electrode on Buried Pipeline

The influence of second-building grounding electrode on buried pipe was simulated by related software and the influence rules of the distance between second-building gruunding electrode and pipeline on pipeline potential distribution were discussed. The following conclusions were obtained:the effect of grounding electrode on pipeline was achieved by affecting both the original current loop and direct action. When second-building grounding electrode was close to pipeline, if the polarity of two grounding electrodes near pipe was the same, the influence was strengthened; on the contrary, it was weakened.