Angularity Number of Coarse Aggregate

Procedure

Step 1: Click on "Next Step" button to proceed

Step 2: Click on metal cylinder to place it on the weighing balance, then click TARE button to zero the reading

Step 3: Click on beaker to pour water into the metal cylinder carefully

Step 4: Click on cylinder to note down the volume of water filled inside

Step 5: Click on tray to place it on the balance, then click TARE button again

Step 6: Click on tray to take sufficient quantity of aggregate and weigh them

Step 7: Click on "assemble" to arrange sieves in descending order with largest aperture at top and pan at bottom

Step 8: Click on sieve to put the weighed aggregates on the sieve stack

Step 9: Click on lid to cover the sieve stack, place on shaker, start the machine, then remove and record aggregates from each sieve

Step 10: Click on tray to fill aggregate in cylinder in three layers, compact each layer with 100 blows using tamping rod, remove excess

Step 11: Click on cylinder to weigh the aggregates along with the cylinder

Step 12: Repeat the process three times and calculate the average weight of aggregates