Classification Of Bricks

• Introduction

Bricks are the most important construction material.It is mainly made up of Clay but with the advancement of technology,now Fly Ash is also used to manufacture Bricks. 

• Types of  Bricks

On the basis of classification bricks are classified in various categories.

This Classification are very Important for competitive exams.

1. First Class Bricks -

     These bricks are well burnt having smooth and even surface with perfect rectangular shape and uniform radish colour.

2. Second Class Bricks -

    These bricks are slightly over burnt having rough surface and not perfectly rectangular in shape.

3. Third Class Bricks -

    These Bricks are not properly burnt ( under burnt ) in the kiln ang hence these are 

soft and can easily be broken.

4. Jhama Bricks -

     These bricks are over burnt with irregular shape.These bricks are dark bluish in colour.

• Important Points on Bricks

1. The standard size of bricks are 19cm x 9cm x 4cm  or  19cm x 9cm x 9cm.

2. Specific Gravity of bricks is about 2.

3. The no of bricks required for one cubic meter of brick masonry are 550.

• Some Special Types of Bricks

1. Squint Bricks - These bricks are used in construction of acute and obtuse                                                           squint quoins.

2. Refractory Bricks -A good refractory brick should have the capability of                       withstanding high temperature and low coefficient of expansion and contraction.

                               Thank You