A good brick earth should fulfill the following requirements:
1. It must have proper proportions of sand, silt and clay.
2) It must be homogeneous
3) It should have sufficient plasticity (so that the bricks can be properly and conveniently moulded with sharp and well defined edges)
4) It must be free from lumps of lime or nodules of kankar.
5) It must be free from earth containing alkaline salts, kankar or reh etc.
6) It must be free from pebbles, grits and lumps of earth.
7) It must not contain vegetable and organic matter.
8) It should not be mixed with salty water.
9) It should be well brunt.
1. It must have proper proportions of sand, silt and clay.
2) It must be homogeneous
3) It should have sufficient plasticity (so that the bricks can be properly and conveniently moulded with sharp and well defined edges)
4) It must be free from lumps of lime or nodules of kankar.
5) It must be free from earth containing alkaline salts, kankar or reh etc.
6) It must be free from pebbles, grits and lumps of earth.
7) It must not contain vegetable and organic matter.
8) It should not be mixed with salty water.
9) It should be well brunt.
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