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.

Manoranjan Singh said:   2 years ago
In concrete, for chemical reaction 0.23% water content is required & 0.15% water content required for evaporation loss.

Therefore 0.23 + 0.15 = 0.38 => 0.40.
(3)

Engr khan said:   3 years ago
And For durable concrete is 0.8.
(1)

Nawaz Khan said:   3 years ago
Min is 40.
Max is 60.

Am I right?
(3)

Bilal said:   5 years ago
@Maaz.

It is a ratio, so no units.
(1)

Maaz Khan said:   5 years ago
0.40 what is this?

Please explain me the unit.

DIPANKAR BARAI said:   5 years ago
Min - 0.35.

Anil said:   6 years ago
Minimum 0.35 & maxmum 0.45.

Dev ch said:   6 years ago
Thanks @Radadiya.

S.sujith said:   6 years ago
Correct answer is 0.36.

J J Radadiya said:   6 years ago
In concrete, for chemical reaction 0.23% water content is require. and 0.15% water content require for evaportion loss. 0.23 + 0.15 = 0.38.

But on-site for convenience, we take 0.38 as 0.40
(6)


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