


Impact Test of Aggregate | Lab Test Procedure - Aggregate Impact Value Test - Procedure & Uses - [Civil …
2.0 THEORY 2 Basically the Aggregate Impact Value (AIV) is the percentage of fines produced from the aggregate sample after subjecting it to a standard amount of impact. The standard amount of impact is produced by a known weight, i.e. a steel cylinder, falling from a set height, a prescribed number of times, onto of aggregate of a standard ... · Procedure: Weigh a certain amount of sample and oven dry it at a temperature of 110-115. Sieve the aggregate sample to discard those which are not residing in our standard limits. Add up the aggregates in the measuring cylinder in three layers, each layer being filled by 1/3 rd part by the tamping rod giving a total of 25 gentle blows per layer ...
