Day: June 19, 2014

Objective This test is intended to study the resistance of coarse and fine aggregates to weathering action and to judge the durability of the coarse aggregate. Apparatus Name Capacity Least count Balance 500 g 0.1 g Balance 5000 g 1 g Oven 105 to 1100C   Sieves 80 mm, 63 mm, 40 mm, 31.5 mm, … Read more

Objective To determine the approximate percentage of light weight pieces (i.e. coal & lignite) in aggregate by means of sink-float separation in a heavy liquid of suitable specific gravity. Apparatus Name Capacity Least Count Balance 500 g 0.1 g Balance 5000 g 1 g Oven 100 to 1100C   Sieve 300 micron, 4.75 mm   … Read more