Civil Engineering - Building Materials - Discussion

Discussion Forum : Building Materials - Section 2 (Q.No. 27)
27.
Minimum required water cement ratio for a workable concrete, is
0.30
0.40
0.50
0.60
1.0.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
27 comments Page 1 of 3.

Ravi mehta said:   1 decade ago
Studies by multiple authors, including Powers, Brownyard and Copeland, indicated that paste had to have a w/c of about 0.40 in order to fill the spaces between cement particles. If we don't have the minimum required water content, our concrete mix will be too stiff to place.

Srinivas said:   10 years ago
Water cement ratio is nothing but weight of water/weight of cement.

Mrinmoy Nath said:   9 years ago
It should be 0.38 as given in M.S Setty book.

Tushar pATel said:   9 years ago
As a reference of M.S. Setty book, the answer is 0.38.

GAYATRI said:   9 years ago
Yes, that is approximately 0.40.

Siddhant chauhan said:   9 years ago
It should be 0.45 for thin structure and 0.55 for heavy structure lesser is better.

Aarti said:   9 years ago
Yeah, 0.38 tends to 0.4 so, the correct answer is 0.4.

Dhiraj said:   9 years ago
Maximum w/c for durable concrete is?

Kishan said:   8 years ago
0.8 as per R.S. Khurmi.

RAVI said:   8 years ago
Minimum 0.3.
And maximum 0.4.


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