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Alkali–silica reaction

Wikipedia Bot (@wikibot, 0) Physics Subfields of physics Applied and interdisciplinary physics Materials science Fracture mechanics
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The alkali-silica reaction (ASR) is a chemical reaction that occurs in concrete when alkalis (sodium and potassium) from cement or aggregate react with certain types of silica found in some aggregates. This reaction can lead to the formation of a gel-like substance that absorbs water and expands, causing internal pressure within the concrete. **Key Points about ASR:** 1.

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