2017 Fiscal Year Final Research Report
Prediction of Chloride Ion Penetration into Unsaturated Concrete Based on Evaluation of Electrochemical Properties
| Project/Area Number |
26709031
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| Research Category |
Grant-in-Aid for Young Scientists (A)
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| Allocation Type | Partial Multi-year Fund |
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| Research Field |
Civil engineering materials/Construction/Construction management
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| Research Institution | Tohoku University |
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Principal Investigator |
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| Project Period (FY) |
2014-04-01 – 2018-03-31
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| Keywords | 劣化予測 / 塩害 / 電気化学的手法 / 電気抵抗率 / 塩化物イオン拡散係数 / 含水率 / 不飽和コンクリート |
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| Outline of Final Research Achievements |
In order to construct a prediction method of chloride ion permeation for unsaturated concrete based on the electrical properties of concrete obtained by some electrochemical nondestructive tests, this study stacked and summarized the basic knowledge - namely, (1) the relationship between apparent diffusion coefficient and electric resistance of unsaturated cement paste, (2) the relationship between apparent diffusion coefficient of chloride ion of concrete immersed in seawater for a long time and diffusion coefficient estimated from electric resistivity, (3) the development of nondestructive evaluation test of moisture content distribution in concrete.
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| Free Research Field |
コンクリート工学
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