Brick

Brick

What are they made of? A block or clay tempered with water, sand, etc., molded into a regular form, usually rectangular, and sun-dried, or burnt in a kiln, or in a heap or stack called a clamp.

What are they used for? They can be used as a building and paving material.

How many types of brick are there?
 * 1) Common burnt clay bricks
 * 2) Heavy duty bricks
 * 3) Burnt clay perforated bricks.

What is the meaning of //brick laying techniques//? Differents ways of laying and binding building materials, such as brick and concrete block (you can say that the latter is in the brick´s family)

Describe 2 brick laying techniques

The running bond is the simplest techniques, which consisting of all stretchers*. Because the bond has no headers, metal ties usually form the structural bond. The running bond is used largely in cavity wall construction, brick veneer walls, and facing tile walls made with extra wide stretcher tile.

The common, or American, bond is a variation of the running bond, having a course of full-length headers at regular intervals that provide the structural bond as well as the pattern. Header courses usually appear at every fifth, sixth, or seventh course, depending on the structural bonding requirements




 * A 'stretcher' is the length of a brick run along a wall

What are their advantages and disadvantages? The brick is consider as one of the longest lasting and strongest building materials used throughtout history but in the begin of the 20th century shows a great disadvantage. It can´t resist earquakes.

Bibliography

http://www.answers.com/topic/brick [|http://wiki.answers.com/Q/How_many_types_of_bricks#ixzz1vw0761jp] http://constructionmanuals.tpub.com/14045/css/14045_151.htm http://www.ehow.com/about_6548860_bricklayer-information.html