Show constituents of bricks, Civil Engineering

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Q. Show Constituents of bricks?

The brick is manufactured out of special. Type of brick earth consisting of clay and sand the proportion of clay and earth should be such that when water is added, It can be easily moulded and dried with out cracking or warping. It should also contain a small quantity of finely divided lime and oxide of iron.

The approximate chemical composition of a good brick earth is an under -

i. Clay or alumina - 20%

ii. Sand or Silica - 60%

iii. Other ingredients like lime, iron oxide, calcium, maganese, magnesium, sodium, and potassium. - 20 %


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