Concrete does not dry; it undergoes a chemical transformation
In short: Most people assume concrete hardens because the water evaporates, but that is a misconception. This video explores the complex chemistry of hydration and why proper curing is essential for structural integrity.
The transition from a wet mixture to a rock-hard material is driven by a chemical process called hydration. Unlike many substances that harden through evaporation or drying out, concrete gains its strength through internal reactions between its components.
Understanding these mechanics explains why concrete continues to gain strength over time and highlights the critical importance of curing. By looking at the science behind this foundational material, we can better appreciate how it supports everything from simple sidewalks to massive skyscrapers.
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Sources
- Summary by Intellect · source: What Actually Happens When Concrete Hardens?
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