Water added to cement paste beyond the amount needed for hydration mainly creates
Correct answer: A. Capillary pores after evaporation
- A. Capillary pores after evaporation
- B. Additional cementing compounds
- C. Higher aggregate strength
- D. Greater resistance to carbonation
Explanation
Excess mixing water eventually leaves the paste and forms capillary voids. These voids increase permeability and usually reduce the strength of hardened concrete.
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About Concrete Technology
Concrete technology covers cement, aggregates, water and admixtures, including their properties, proportioning and effect on fresh and hardened concrete. It explains workability, water-cement ratio, setting, hydration, strength, durability, curing, mix design and common defects, while distinguishing segregation and bleeding from general loss of workability.
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