DETERMINING THE WEIGHT OF BRICK AS PER ASTM C67

 VII. DETERMINING THE WEIGHT OF BRICK AS PER ASTM C67

1. Procedure:

1.1 Drying: Dry the test specimens in a ventilated oven at 110 to 115°C for not less than 24 hours and until two successive weighing at intervals of 2 hours show an increment of loss not greater than 0.2% of the last previously determined weight of the specimen.

1.2 Cooling: After drying, cool the specimens in a drying room maintained at a temperature of 24+8°C with a relative humidity between 30 and 70%. Store the units free from other bricks, Unstacked, with separate placement, for a period of at least 4 hr. Do not use specimens noticeably warm to the touch for any test requiring dry units.

An alternative method of cooling the specimens to approximate room temperature may be used as

follows. Store units, unstacked, with separate placement, in a ventilated room for a period of 4 h,

with a current of air from an electric fan passing over them for a period of at least 2 hr.

WEIGHT OF BRICK,Determining the Weight of a Brick.

2. Calculation and Report :

Calculate the weight per unit area of a specimen by dividing the total weight in Kg (lb.) by the

average area in m^2 (ft^2) of the two faces of the unit as normally laid in a wall. Report results

separately for each unit with the average for five units or more.