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Civil Engineering - Building Materials - Discussion

Discussion Forum : Building Materials - Section 1 (Q.No. 5)
Building Materials
5.
Pick up the correct statement from the following:
For thin structures subjected to wetting and drying, the water cement ratio should be 0.45
For mass concrete structures subjected to wetting and drying, the water ratio should be 0.55
For thin structures which remain continuously under water, the water-cement ratio by weight should be 0.55
For massive concrete structures which remain continuously under water, the water cement ratio by weight should be 0.65
All the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
21 comments Page 3 of 3.
Deepthi said:   1 decade ago
Strength of concrete primarily depends upon the strength of cement paste. Strength of cement paste depends upon the dilution of paste or in other words, the strength of paste increases with cement content and decreases with air and water content.
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