Water Absorption Test on Bricks


Objective: To ascertain the percentage of water absorption of bricks

Apparatus

A delicate balance which is capable of weighing within 0.1% of the weight of the sample and aired oven.

Specimen

Three numbers of whole bricks from specimen gathered for testing has to be undertaken.

Process

  1. Put out the sample for drying in a well- ventilated oven at an approximate temperature of 105 °C to 115°C until it acquires considerably constant mass.
  2. Leave the sample to room temperature and acquire its weight ( clip_image002 ) sample too warm to touch should not be utilized for this resolve .
  3. Submerge completely dried sample in clean water at an approximate temperature of 27+2°C for at least a day.
  4. Detach the specimen and wipe out any kind of traces of water with moist cloth and measure the weight of the sample after it has been detached from water ( clip_image004 ).

bricks

Calculation

Water absorption, % by mass, after 24 hours immersion in cold water in given by the formula,

clip_image006

The average of result should be noted down

Result

Water absorption of the given bricks = ………….%