Civil Engineering - Building Materials - Discussion
Discussion Forum : Building Materials - Section 7 (Q.No. 32)
32.
The presence of sand in brick earth prevents:
Discussion:
16 comments Page 2 of 2.
Azeem Khan said:
6 years ago
Correct answer is Shrinkage.
Excess of silica cause brittleness.
Excess of silica cause brittleness.
Er.Mithlesh yadav said:
6 years ago
I think shrinkage is the answer.
Pankaj yadav said:
5 years ago
The shape of brick is depend on silica so prevent warping of the brick.
Mushtaq khan said:
4 years ago
Warping is the correct answer!
James said:
4 years ago
Good quality bricks contain 50-60% silica. Silica prevents raw bricks from cracking, shrinking and warping. The higher the proportion of sand, the more and shapely and uniform in texture will be the brick. Although, excess silica destroys cohesion between the brick clay particles and makes brick brittle and weak.
Rc Budhathoki said:
3 years ago
As per my knowledge, silica prevents cracking, warping and shrinkage.
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