| 摘要 |
PROBLEM TO BE SOLVED: To provide a corrosion speed measurement method capable of precisely measuring the corrosion speed of the steel material in a structure in a noncontact state, and to provide a corrosion speed measuring probe.SOLUTION: The corrosion speed measuring method includes: a counter electrode measuring process S1 for performing electrochemical measurement by an electrochemical measuring instrument, in a state that a steel material electrode wire is connected to a counter electrode, a counter electrode wire is connected to the steel material and a reference electrode wire is connected to a reference electrode to measure the polarization resistance of the counter electrode; a steel material measuring process S2 for performing electrochemical measurement by the electrochemical measuring instrument in a state that the steel material electrode wire is connected to the steel material, with the counter electrode wire being connected to the counter electrode and the reference electrode wire is connected to the reference electrode to measure the apparent polarization resistance of the steel material; a correction preparation process S3 for forming the correction characteristic curve related to the steel material and the counter electrode by the analysis of a potential distribution, on the basis of the geometrical shapes and relative position of the steel material, the counter electrode and the reference electrode; and then a correction execution process S4 for calculating the corrected polarization resistance of the steel material by performing correction based on the correction characteristic curve, with respect to the apparent polarization resistance. |
