BRICK

The brick may be made from clay, shale, soft slate, calcium silicate, concrete, or shaped from quarried stone.Normally, brick contains the following ingredients: Silica, Alumina, Lime, Iron oxide and Magnesia.
 * What are they made of? **

They are used for the constructions of building, block paving and pavement or other structure.
 * What are they used for? **

Six: Mud bricks, Dry pressed bricks, Extruded bricks, Calcium silicate bricks, Concrete bricks and Loose bricks.
 * How many types of brick are there? **

They are used for the bricklaying procedure to achieve a efficiency that involves doing the work with the fewest possible motions and each motion should have a purpose and should achieve a definite result.
 * What is the meaning of brick laying techniques? **

**Running:** After of built the first row of bricks, in the second row, will place a brick over the point of contact of the two bricks of the first row.  **Stack:** After of built the first row of bricks, in the second row, will place a brick over other brick of the first row.   **Advantages:** The number of designs that allow suit the needs of the user. They are fire resistant and maintenance free short-term.
 * Describe 2 brick laying techniques **
 * What are their advantages and disadvantages? **

<span style="font-family: 'Lucida Console',Monaco,monospace; font-size: 130%;">**Disadvantages:** They are heavy so that stability is a matter of techniques and his court is difficult as they only have a size of manufacturing.

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<span style="font-family: 'Lucida Sans Unicode','Lucida Grande',sans-serif; font-size: 130%;">Brick offers the opportunity to build harmonious structures with its context. They are easy to transport and handle so that the work not will become tedious. Since there are several types of bricks the constructor has the opportunity to choose one that best suits their needs in relation to the work being performed.

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 * <span style="color: #800080; font-family: 'Lucida Sans Unicode','Lucida Grande',sans-serif; font-size: 130%;">Post Read "Brick" **

<span style="color: #191952; font-family: 'Lucida Sans Unicode','Lucida Grande',sans-serif; font-size: 130%;">a. Comparison and contrast Brick __compares__ favorably with stone as a structural material

<span style="color: #191952; font-family: 'Lucida Sans Unicode','Lucida Grande',sans-serif; font-size: 130%;">b. Description Standard modern types provide __a ratio of width to length of slightly less than 1:2 to permit a wide variety of bonding patterns within a consistent module, or standard of measurement.__

<span style="color: #191952; font-family: 'Lucida Sans Unicode','Lucida Grande',sans-serif; font-size: 130%;">c. Exemplification Special shapes can be produced by molding to meet particular structural or expressive requirements __(for example__, wedge-shaped bricks are sometimes employed in arch construction and bricks with rounded faces in columns).

<span style="color: #191952; font-family: 'Lucida Sans Unicode','Lucida Grande',sans-serif; font-size: 130%;">d. Cause/Effect The size of bricks __is limited by__ the need for efficient drying, firing, and handling,

Bricks may be used in construction __only in conjunction with__ mortar, since the unit is too small, too light, and too irregular to be stabilized by weight.

<span style="color: #191952; font-family: 'Lucida Sans Unicode','Lucida Grande',sans-serif; font-size: 130%;">e. Chronology but shapes, along with the techniques of bricklaying, have varied __widely throughout history.__

The commonest __ancient Roman__ bricks were cut into triangles and laid with the base out and the apex set into a concrete filling that provided additional strength.

Brick which __has been used since the 4th millennium BC__, was the chief building material in the ancient Near East. The versatility of the medium was expanded in ancient Rome by improvements in the manufacture of both brick and mortar and by new techniques of laying and bonding. __Employed throughout the Middle Ages,__ brick grained greater popularity from the 16th. Century on, particularly in northern Europe. It is widely used in the 20th Century, often for nonbearing walls in steel frame constructions.