電気化学的立場から見た反応性骨材の迅速判定方法試案

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タイトル別名
  • A TRIAL RAPID JUDGEMENT OF REACTIVE AGGREGATE FROM THE VIEW POINT OF THE ELECTRO-CHEMISTRY
  • デンキ カガクテキ タチバ カラ ミタ ハンノウセイ コツザイ ノ ジンソク

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説明

This study is investigated to rapid judge on alkali silica reaction of aggregate by the method of electro-chemistry.The Na^+ ,k^+ ,Ca^<2+> and other alkaline ion from cement and silicate ion from aggregate in aqua solution were eluted, consequently, the current was caused by moving of electron. An electro chemical cell was formed by potential differece. Alkali component was more rich existed at cathod, and silica component at anode. The potential difference curves vs. time were measured by potentiometer, these results were classified into three patterns such as deleterious aggregate, potentially deleterious aggregate,innocuous aggregate. This method is effectively as rapid judgement.

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