<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>Use of de-icing agents is necessary in winter to maintain appropriate quality of road and airport surfaces. Formate or acetate de-icing agents are safer for aircraft and the environment than the commonly used sodium chloride, but may cause an alkali-silica reaction in concrete. The study investigated the influence of sodium formate and potassium formate on the occurrence of ASR (alkali-silica reaction) in mortars with granite aggregate. Accelerated mortar-bar tests at 80°C using various de-icing agents were performed and detailed studies of the SEM-EDS microstructure were carried out.</p>
</abstract>

Use of de-icing agents is necessary in winter to maintain appropriate quality of road and airport surfaces. Formate or acetate de-icing agents are safer for aircraft and the environment than the commonly used sodium chloride, but may cause an alkali-silica reaction in concrete. The study investigated the influence of sodium formate and potassium formate on the occurrence of ASR (alkali-silica reaction) in mortars with granite aggregate. Accelerated mortar-bar tests at 80°C using various de-icing agents were performed and detailed studies of the SEM-EDS microstructure were carried out.

Influence of Sodium and Potassium Formate on the ASR Reactivity of Granite Aggregate

Structure and Environment

This work is licensed under the Creative Commons Attribution 3.0 Public License.

Use of de-icing agents is necessary in winter to maintain appropriate quality of road and airport surfaces. Formate or acetate de-icing agents are safer for...

Influence of Sodium and Potassium Formate on the ASR Reactivity of Granite Aggregate

Publié en ligne: 15 nov. 2022

Pages: 69 - 75

DOI: https://doi.org/10.30540/sae-2022-008

Mots clés
granite aggregate, alkali-silica reaction ASR, sodium formate, potassium formate, alkali-silica gel, microstructure

© 2022 Aneta Antolik, published by Sciendo

This work is licensed under the Creative Commons Attribution 3.0 Public License.

Influence of Sodium and Potassium Formate on the ASR Reactivity of Granite Aggregate

Publié en ligne: 15 nov. 2022

Pages: 69 - 75

DOI: https://doi.org/10.30540/sae-2022-008

Mots clésgranite aggregate, alkali-silica reaction ASR, sodium formate, potassium formate, alkali-silica gel, microstructure

© 2022 Aneta Antolik, published by Sciendo

This work is licensed under the Creative Commons Attribution 3.0 Public License.

Mots clés
granite aggregate, alkali-silica reaction ASR, sodium formate, potassium formate, alkali-silica gel, microstructure