| 摘要 |
PROBLEM TO BE SOLVED: To provide a coating film resistance measurement method of in-propulsion pipe piping, for achieving the shortening of water injection/discharge time in coating film resistance measurement, the improvement of measuring accuracy and the reduction of retry man-hours in defect determination.SOLUTION: The coating film resistance measurement method of in-propulsion pipe piping comprising a propulsion pipe 21 and in-propulsion pipe piping 22 embedded underground between a pair of vertical shafts 11 and 12 includes: a seal part installation step of installing a seal part between the propulsion pipe and the in-propulsion pipe piping to form a space for storing water W; and an electric resistance confirmation step of injecting water to the space between the propulsion pipe and the in-propulsion pipe piping, and for confirming an electric resistance between the coating film layers of the in-propulsion pipe piping. |
