Aggregate should have the following qualities Quality Requirements of Aggregate Aggregates should be strong, hard, dense, durable, clear and free from veins and adherent coating. Aggregates should be free from injurious amounts of disintegrated pieces, alkalis, vegetable matter and other deleterious substances. Flaky and Elongated pieces should not be present in aggregate mass. Aggregate crushing … Read more
General Quality Bricks shall be free from cracks and flaws and nodules of free lime. Bricks shall have smooth rectangular faces with sharp corners. Bricks shall be uniform in colour. Frog size of a hand moulded brick having height of 90 mm or 70 mm shall be as per the figure shown below. Dimensional … Read more
Objective For determination of bulk density of bricks Equipment & Apparatus Oven (3000C) Scale Balance (0-10kg) Procedure The brick is dried in a ventilated oven at a temperature of 1050 to 1150C till it attains substantially constant mass. The brick is then cooled to room temperature and its mass is recorded.(M) Then the dimensions of … Read more
Objective For determination of compressive strength of bricks Reference Standard IS: 3495 – P (1)-1992-Methods of tests of burnt clay building bricks (Determination of compressive strength) Equipment & Apparatus Compression Testing Machine Scale for measuring dimension of brick Procedure Unevenness observed in the bed faces of bricks is removed to provide two smooth and parallel … Read more
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