| Title |
Evaluation of Chloride Attack Resistibility in Concrete and Matrices Collapse by Freezing-Thawing |
| Authors |
Oh Sang-Gyun ; Kim Jung-Kil ; Hwang Hyo-Jae |
| Keywords |
Chloride Attack ; Freezing-thawing Damage ; Service Life ; Chloride Ion Migration Coefficient ; Admixture |
| Abstract |
Recently, the number of concrete building structures in marine environment increases because many people prefer to the excellent landcape and the good view. By this, it is increased the damage as a chloride from the sea. Thus, concern of long-term durable is growing larger and many researches of chloride study are predicting the chloride. it is important to study and predict the durability and the compound deterioration along admixture addition and the high strength concrete itself which is appraised through the promotion chloride ion migration coefficient test by freezing-thawing damage. The concrete's resistance against freezing and thawing is tested based on KS F 2456, while its chloride ion migration coefficient is evaluated based on NT BUILD 492. In results of this study obtained as follows; (1) As high strength concrete is exposed to freezing and thawing process, the compressive strength and service life decreases, but the amount of chloride ion diffusion coefficient increases. (2) As concrete is exposed to freezing and thawing process, the compressive strength and the amount of chloride ion diffusion coefficien and service life does not change according to addition of admixture. |