Alkali-Silica Reaction (ASR) is a destructive chemical process that affects the durability and lifespan of concrete structures. It occurs when the alkalis in cement react with reactive silica in certain aggregates, resulting in the formation of an expansive gel. This gel absorbs water, swells, and creates internal pressure that leads to cracking, spalling, and significant […]
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Have you ever noticed a white, chalky substance mysteriously appearing on your concrete surfaces? This common phenomenon is known as efflorescence in concrete – a natural but often frustrating issue that affects structures worldwide. Efflorescence occurs when water-soluble salts migrate to the concrete surface and crystallise as the moisture evaporates, leaving behind distinctive white deposits.
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