Investigation of Mechanisms for Establishing Accelerated Testing method on Carbonation and Chloride Ion Permeation in Concrete Using Admixture

2017 Fiscal Year Final Research Report

• Project/Area Number: 15K06169
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Multi-year Fund
• Section: 一般
• Research Field: Civil engineering materials/Construction/Construction management
• Research Institution: Shibaura Institute of Technology
• Principal Investigator: IYODA TAKESHI 芝浦工業大学, 工学部, 教授 (20549349)
• Project Period (FY): 2015-04-01 – 2018-03-31
• Keywords: 中性化 / 塩分浸透 / 促進試験 / 実環境 / コンクリート / セメント水和物

Outline of Final Research Achievements

The Accelerated testing method are proposed because it takes a very long time to discuss deterioration caused by penetration from the outside into concrete such as carbonation and chloride ion penetrate. The accelerated testing method have so far been established with concrete using Ordinary Portland Cement. On the other hand, considering the reduction of the environmental impacts, the use of mixed cement is also expanding. However, there are reports that the results of the accelerated test differ from the actual results. Therefore, in order to establish an optimum accelerated testing method, we obtained results which clarified the mechanism of material transfer.

Free Research Field

セメント化学、コンクリート工学