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Concrete protection - how and why ?

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Introduction_to_Concrete_Durability_and_Protection RS

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1. 1. What is the primary chemical reaction involved in silicate-based treatments for concrete?
Reaction with calcium carbonate Reaction with calcium hydroxide to form calcium silicate hydrate (C-S-H) Reaction with sodium chloride Reaction with sulfuric acid
2. 2. At what stage of curing should silicate-based treatments be applied for optimal results?
After 28 days of curing During initial hydration and curing stages Before concrete is poured After full hardening of the concrete surface
3. 3. Which of the following silicate-based products offers superior penetration and durability?
Sodium silicate Potassium silicate Lithium silicate Magnesium silicate
4. 4. What is the main benefit of using silicate-based products in concrete protection?
Improving color consistency Reducing permeability and increasing durability Enhancing concrete’s aesthetic appeal Adding flexibility to concrete
5. 5. Which environmental factor is most mitigated by silicate-based treatments?
UV degradation Freeze-thaw damage High humidity Wind erosion
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