抄録
Atmospheric corrosion of the steel surface of a bridge is largely due to salt spays generated over the ocean. The observed data indicate that the salt sprays first adhere to the steel, after which the extent of Cl− on the steel surface increases; however, the mechanism by which these processes occur has not yet been investigated. Our research objectives are to examine the relationship of atmospheric Cl− concentration with the extent of Cl− adhering to the steel surface and to clarify the effect of surface winds on the extent of Cl− adhesion. The results show that the extent of Cl− adhesion is positively correlated with atmospheric Cl− concentration and that the extent of Cl− adhesion depends on surface winds.
Therefore, when estimating Cl− on a steel surface, we must consider the atmospheric Cl− concentration and the surface winds.
