In this study, the detailed crevice corrosion shape of the gusset plate connections and the attached plates that were made from the two connections (P25d and P72u as shown in Photo 1) of the steel truss bridge were measured by using the laser measurement equipment, and the actual crevice corrosion state of the above specimens were evaluated on the basis of the corrosion depth distribution of these surfaces.Based on the detailed results of corrosion measurement, the crevice corrosion and the corrosion characteristics of the gusset plate connection were clarified. |