構造物調査・診断(3)／振動

[V-671] Evaluation of the effect of carbonation on concrete 80 years ago

〇Shingo Nagai¹ (1.East Japan Railway Company )

Keywords:Neutralization acceleration test, Cooperative presumption, Reproduced specimen

It is important to predict the future performance of existing concrete structures from the viewpoint of maintenance and utilization of existing structures. However, it is difficult to predict the future of concrete of unknown composition, such as structures constructed in the old age.
In this paper, we report the results of the evaluation of the indication composition and the promotion of carbonation for concrete structures 80 years after construction in indoor environment, and the results of the evaluation of the effects of carbonation in the future.