Object For determination of consistency of concrete where the nominal maximum size of aggregate does not exceed 38 mm using slump test apparatus. Reference Standards IS : 1199 – 1959 – Method of sampling and analysis of concrete. Equipment & Apparatus Slump cone Tamping rod Procedure The internal surface of the mould is thoroughly cleaned … 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
Objective For determination of efflorescence of bricks Reference Standards IS: 3495 – Part(3)-1992 Equipment & Apparatus Oven (3000c) Procedure A shallow flat bottom dish containing sufficient distilled water to completely saturate the specimens is used for the test. The ends of the bricks are placed in the dish, the depth of immersion in water being … Read more
Objective For determination of water absorption of bricks Reference Standards IS : 3495 (Part-2)-1992,RA 2011 Equipment & Apparatus Balance (0-10 kg) Procedure The specimen is dried in a ventilated oven at a temperature of 105 to 1150C; till it attains substantially constant mass. The specimen is cooled to room temperature and its weight is recorded … Read more