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Civil Engineering - Concrete Technology - Discussion

Discussion Forum : Concrete Technology - Section 2 (Q.No. 11)
Concrete Technology
11.
Hardening of cement occurs at
rapid rate during the first few days and afterwards it continues to increase at a decreased rate
slow rate during the first few days and afterwards it continues to increase at a rapid rate
uniform rate throughout its age
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
74 comments Page 5 of 8.
Nakum said:   8 years ago
Option A is correct.
Rajesh said:   8 years ago
I think option A is correct.
Vipul said:   8 years ago
Option A is correct.
MAMATHA said:   8 years ago
Option A is right.
Dipankar halder said:   8 years ago
Yes, option A is correct.
Zahir said:   8 years ago
The correct answer is A because in first 7 days it gains 66% of strength after 28 days it is assumed to gain full strength but after 28 days also there will be an increase in strength gain at the lower rate.
Sujeet said:   8 years ago
Yes, I also agree that option A is correct.
Harshdeep said:   9 years ago
It is cement not concrete. So it setting hardening depends upon many factor and one is type of cement.
(1)
Venkat said:   9 years ago
Answer a correct. I also agree with it.
Mopi said:   9 years ago
Mainly Due to Hydration of cement only concrete matrix is formed and also strength achievement. Then C2S is responsible for ultimate strength means, why the rate of hydration occurs for longer period.
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