Aggregate Impact Tester
Introduction
TBTV-1 is used to determine the aggregate impact value(AIV).
It measures the relative resistance of coarse aggregates to sudden shock or impact, providing a crucial indicator of an aggregate's toughness and durability for construction.
Referring Standard
BS 812-112
Features
1. Rigid frame with specially hardened steel surfaces for minimum wear;
2. Reliable quick-release trigger mechanism which ensures an effective free fall of the hammer when released;
3. A built-in counter automaically indicates the numebr of impacts.
Technical Specification
Impact hammer weight | 13.75±0.25kg |
Height of the falling hammer | 380±5mm |
Impact cup | 102×50mm |
Test sieve | 15.0mm, 10.0mm, 2.50mm |
circular section metal straight stick | 10×230mm, one part is semicircle |
Gauge metal cylinder | (75±1)×(50±1)mm |