Civil Engineering - Concrete Technology - Discussion
Discussion Forum : Concrete Technology - Section 1 (Q.No. 39)
39.
The high strength of rapid hardening cement at early stage, is due to its
Discussion:
56 comments Page 2 of 6.
Jahgu said:
3 years ago
It is due to the large proportion of lime grinded finer than the normal cement.
(1)
Vivek G said:
4 years ago
Only option A is right.
(1)
Dr. Buch said:
4 years ago
In rapid hardening, cement has high percentage of tricalcium silicate and a low percentage of dicalcium silicate.
(1)
Masum said:
5 years ago
I think the right answer will be D.
SAGAR said:
7 years ago
Higher content of tricalcium silicate.
Ghulam Nabi said:
6 years ago
All the difference of rapid hardening cement to that of ordinary portland cement is the quantity of lime stone (tri-calcium silicate) used as raw material, which gives the high early strength to the cement.
Rahul khan said:
7 years ago
Burning at high temperature and fine grinding gives more strength of cement.
MARI said:
7 years ago
Option D is correct. Because early strength (i.e) the first 7 days strength depends upon tricalcium silicate. But we have the only option to increase the calcium content by increase the lime cement.
Nitin said:
7 years ago
The heat of hydration increased by c3s content increased so early strength develop and if fineness of cement increases with an increase in strength.
Manisha Parajuli said:
7 years ago
It is option D.
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