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Q: The addition of pozzolana to Portland cement causes
  • A. increase in shrinkage
  • B. reduction in bleeding
  • C. reduction in permeability
  • D. All of the above
Correct Answer: Option D - Advantage of addition pozzolana to Portland cement– • Increase in shrinkage • Reduction in bleeding • Reduction in permeability • Less heat of hydration • Increase curing time • Increase workability.
D. Advantage of addition pozzolana to Portland cement– • Increase in shrinkage • Reduction in bleeding • Reduction in permeability • Less heat of hydration • Increase curing time • Increase workability.

Explanations:

Advantage of addition pozzolana to Portland cement– • Increase in shrinkage • Reduction in bleeding • Reduction in permeability • Less heat of hydration • Increase curing time • Increase workability.