Civil Engineering - Building Materials - Discussion
Discussion Forum : Building Materials - Section 2 (Q.No. 47)
47.
A 1st class brick immersed in water for 24 hours, should not absorb water (by weight) more than
Discussion:
36 comments Page 1 of 4.
Prem sagar said:
5 years ago
1st class brick 15%to20%.
2nd class brick 22%to25%.
3rd class brick 25%to 30%.
IS code standard 1st class brick 20% or 2nd class brick 25% 3rd class brick 30% after 24 immersion cold water water absorption by weight.
2nd class brick 22%to25%.
3rd class brick 25%to 30%.
IS code standard 1st class brick 20% or 2nd class brick 25% 3rd class brick 30% after 24 immersion cold water water absorption by weight.
(1)
Amit sahota said:
8 years ago
Water absorption of bricks after 24 hours immersion,
First class bricks : 20%,
Second class bricks : 22 %,
Third class bricks : 25%.
Heavy duty machine made bricks should not absorb more than 5% of their weight.
First class bricks : 20%,
Second class bricks : 22 %,
Third class bricks : 25%.
Heavy duty machine made bricks should not absorb more than 5% of their weight.
OPSC AEE said:
6 years ago
1st class - 20% of its dry wt
2nd class - 22%
3rd class - 25%
Those who are telling 15% is the ans, based on SSC JE ans key, but actual book has written 20%. So the given ans is correct.
2nd class - 22%
3rd class - 25%
Those who are telling 15% is the ans, based on SSC JE ans key, but actual book has written 20%. So the given ans is correct.
SUDHANSHU SINGHAL said:
1 decade ago
AS per IS-1077: 1992, if a brick have a class designation (CD-10) called first class bricks.
And requirement of water absorption shall not be more than 20% up-to CD-12.5
And requirement of water absorption shall not be more than 20% up-to CD-12.5
Imran ahmad said:
5 years ago
The maximum limit for water absorption for first class is 15%.
The second class is 20%.
And the third class is 25%.
According to the new code.
The second class is 20%.
And the third class is 25%.
According to the new code.
(1)
Jayram Ray said:
4 years ago
1Class brick water absorption 15 to 20% and 2nd class brick water absorption 20 to 22% &3rd class brick water absorption 25%.
(1)
Kshitij mishra said:
9 years ago
1 quality bricks absorb only 12 to 15% water by weight for reference check engineering textbook of building material.
Chetan said:
6 years ago
As per IS 1077-1973,
For first class bricks, the water absorption capacity should not be more than 20% by weight.
For first class bricks, the water absorption capacity should not be more than 20% by weight.
Prem Sagar said:
5 years ago
After water absorption 24 hr.
1st class brick 20%.
2n class brick 25%.
3rd class brick 30 more than.
1st class brick 20%.
2n class brick 25%.
3rd class brick 30 more than.
Sandeep kumar said:
9 years ago
For 2nd class brick the absorption should not more than 22% by weight when soaked in water for 24 hr.
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