Different forms and shapes of bricks

DIFFERENT FORMS OF BRICKS Below are described a few important forms in which bricks are made in various shapes to suit the different situations in which they are used. 1. Ordinary bricks. These are ordinary bricks with rectangular faces and of standard size. 2. Perforated bricks. These bricks have cylindrical holes through their thickness (Fig. 2.11). It is done by pushing iron bars through the brick at the time of molding. The advantages and disadvantages of having such bricks are as follows:     Advantages. (a) These dry and burn more easily and quicker as the hot gases can penetrate them. (b)       Because of reduced weight these are easier to handle. (c)       Because of saving in clay more bricks can be cast out of the same quantity of earth. (c)       These are unfit to be used in hydraulic structures. These bricks should be free from cracks, flaws and nodules of…

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