Introduction Of Bricks
|Introduction Of Stones|
- Bricks are one of the oldest building materials.
- Bricks date back to 7000 BC.
- Bricks were discovered in southern Turkey at the site of an ancient settlement around the city of Jericho.
- Bricks have been produced since the dawn of civilization in the sundried form.
- Brick may be made of burnt clay or mixture of sand and lime or of Portland cement concrete.
- Due to its cheapness, durability and easy to handle quality, brick continues to be the most popular and leading construction material.
- Clay bricks are commonly used as these are economical and easily available.
- The cost of construction work is less with bricks.
- Brick has a rectangular shape.
- The length, width and height of brick are as follows:-
- Length of brick = 2*width of brick + thickness of mortar
- Height of brick= width of the brick
- Size of a standard brick should be 19 cm * 9 cm * 9 cm and 19 cm * 9 cm * 4 cm and when placed in masonry the size of a standard brick with mortar becomes 20 cm * 10 cm * 10 cm.
- In India, the standard size recommended by the Bureau of Indian Standards(BIS) is 19 cm * 9 cm * 9 cm and the size of brick including the mortar thickness is 20 cm * 10 cm * 10 cm, which is known as the nominal size of the brick.
- An indent called frog which is 1-2 cm deep is provided in 9 cm high bricks.
- Frog is provided to form a key for holding the mortar and for this reason the bricks are laid with frogs on top. It also indicates the trade name of the manufacturer.
- The weight of 1 cubic meter of brick is 18 kN. So, the average weight of a brick will be around 30-35 kN.
*Self Typed*Source- Internet, Books and Self-Analysis