Civil Engineering - Concrete Technology - Discussion

Discussion Forum : Concrete Technology - Section 2 (Q.No. 11)
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 8 of 8.

Civilguy said:   10 years ago
The concrete is assumed to never gain its complete strength. Hence answer D I guess.

Rima said:   1 decade ago
Answer must be A.

Concrete gets harder after initial setting time and its continuous also after 28 days.

Ashish BIjalwan said:   1 decade ago
The concrete gains strength in first 28 days after that it gains strength very slowly.

Hassan said:   1 decade ago
Why not option A?

When concrete 1st placed it quickly sets termed as initial setting after which it dries and increase hardening at a decreased rate.


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