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building materials -
composition of brick
TNPSC AE/ JDO -BUILDING MATERIALS - BRICKS NOTES - COMPOSITION OF BRICKS
Composition of brick : SILICA: 1. Silica prevents the cracking, shrinkage and warping of the bricks, thereby imparts uniform shape of it. 2. It decreases shrinkage in burning and increases refactorines. 3. If it is in excess it destroy cohesion between the particles, h…
Building materials - notes
TNPSC AE/JDO - BUILDING MATERIALS --BRICKS & FROG SIMPLE NOTES
BRICKS: A small rectangular block typically made of dried or sun-dried clay used in construction. A brick is rectangular in shape an d of size that can be conveniently handled with one hand. Brick may be made of burnt clay or mixture of san d an d lime of portlan…