Answer / shabarish

Water absorption of brick is nothing but the % of water
that the brick can absorbs when it is placed in water.

It isshould not be more that 15 to 20 % of its weight.

Answer / prakash

The water absorption of brick is the quantity of water
absorbed by the brick when submerged under water for 24 hrs
expressed as % of its dry weight.

Answer / nanthakumar.c

As per IS 456 2000 If brick is subbmerged in water for 24
hours its weight should
not more than 20 % of its own dry weight

Answer / devendranchandrasekar

During the time of manufacturing bricks mixture of minerals
like silica, clay,ash,sand,etc this propotionate should
vary in all every production and also watercontent plays
very major role in the bricks
as per IS CODE SAYS 15 TO 20 PERCENT is the max limit of
water absorption brick in 24 hrs
water absorption in bricks depend only voidratio of bricks
and also poor compaction ,
well burnt bricks it should be burnt on all sides equally
good shape also all dimensions should be in proper and
clear

Answer / sonu

it also depend upon the pre moisture content by bricks

Answer / rakesh kumar

brick is su8bmerged in water for 16 hours its weight should
not exceed more than 20 % of its dry weight

Answer / rabitha panat

As per IS:3495,the average water absorption shall not be
more than 20 persent by weight upto class 12.5 and 15
persent by weight for higher classes in 24hrs.Bricks,which
do not conform to this requirement shall be rejected.Over
or under burnt bricks are not acceptable for use in the
works.

Answer / kavitha

water absorption of bricks depends on classification of
bricks.
for first class bricks water absoption should be less than
20% and for second class bricks it should be less than 22%
and for third class bricks it is less than 25% by dry
weight of bricks

Answer / pankaj kumar sahu

What will be the strength of different type/class of bricks
as per Indian Standard?

Answer / pankaj kumar sahu

Please clarify the classification of bricks as per water
absorptions as per IS Codal provisions.

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