Abstract
In this study, the durability evaluation of concrete and mortar that mixed fly ash was done through the measurement of the diffusion co efficient of the chloride ion and the electrical resistivity.
To evaluate the durability in the initiation stage, the statistical analysis of the diffusion coefficient of the chloride ion of the offshore structure was done. It was clarified that the initiation stage until the reinforcement corrosion began elongated by mixing fly ash.
Moreover, durability in the acceleration stage was eval uated by the electrical resistivity that is the index that showed resistance to the reinforcement corrosion and impermeability. As the result of the concrete and mortar tests, it was clarified that the durability was improved by mixing of fly ash.
