Page 24 - Unit 2: Pavement Material

Civil Engineering Department | DCC3113 : Highway & Traffic Engineering

Type of test The objectives of tests on road construction materials

Aggregate Impact Value Test (BS 812:Part 112 :1990)
• To determine percent crush due to impact load

• Size used is aggregate passing 14 mm retained 10 mm. Aggregate is placed in the mould
and compacted in a mould with 25 times of rodding. Then, it is subjected to 15 times of
impact loading. After impact, calculate the weight crushed using 2.36 mm sieve size and
determine the AIV :

AIV = Weight pass sieve 2.36 mm x 100
Weight Original

AIV Equipment
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Prepared by : SITI ZURAIFA BINTI MD SAH, zuraifa@pmu.edu.my