Essay
The minimum water- cement ratio for complete hydration of Portland cement is approximately 0.4. However, we generally need a larger w- c ratio in concrete mixes. Why is that so, and what is the effect of
greater- than- minimum w- c ratio?
Correct Answer:
Verified
A w- c ratio > 0.4 is required...View Answer
Unlock this answer now
Get Access to more Verified Answers free of charge
Correct Answer:
Verified
View Answer
Unlock this answer now
Get Access to more Verified Answers free of charge
Q67: The test specimen used for determining the
Q68: Why is the setting and hardening of
Q69: Which type of Portland cement is commonly
Q70: List various types of Portland cement and
Q71: Explain the difference between air entrainment and
Q73: The finishing operations of a concrete surface
Q74: Describe how lime- sand mortar hardens and
Q75: What is a water- reducing agent (WRA)and
Q76: In a high- rise building, the concrete
Q77: Quicklime is most commonly used in building