Page 29 - HIGHWAY ENGINEERING LABORATORY_FLIP BUILDER
P. 29
FLAKINESS INDEX TEST
BS 812 : Section 105.1 :1989
Laboratory : Highway and Trafic Laboratory Type of Material :
Sources :
Location :
Testes By : _ Date :
Weight
Weight
SIEVE SIZE Retaine Flakiness
Weight Weight Weight Passing d On Index (%)
of of Sieve of On Flakiness (Individu
Retained Sieve + Sample Flakiness Gauge al Size)
on Sieve (g) Sample (g) Gauge (g) B
mm (g) (g) A
50
(33.9 mm slot)
37.5
(26.3 mm slot)
28
(19.7 mm slot)
20
(14.4 mm slot)
14
(10.2 mm slot)
10
10 (7.2 mm slot)
6.3
(4.9 mm slot)
TOTAL MASS (g)
% Flakiness Index (Multiple Size)
Check : Weight Sample = Weight passing + Weight
Retained
% Flakiness Index = TOTAL PASSING X 100
TOTAL PASSING + TOTAL RETAINED
Higway Engineering Laboratory page 16
