Laboratory Test Sheet
FLAKINESS INDEX DETERMINATION BS 812 : PART 105.1 : 1989
BS EN 933-3 1997
Tests for geometrical properties of aggregates
Part 3: Determination of particle shape Flakiness Index
Client Lab Ref.   
Client Ref. Job No.
Supplier   Source  
Location   Date  
Material Type   Date Format   
Material Name   Specification   
    Aggregate Type   


Sieve Analysis Data Flakiness Index Data
BS Sieve Weight
Retained
%
Retained
Wt.(g) to be
included in
Test Portion
Riffled Wt.
where
allowed 1
Aperture Size Weight Passing Sieve/Gauge*
Actual Corrected
50 mm 63 - 50 mm
37.5 mm 50 - 37.5 mm
28 mm 37.5 - 28 mm
20 mm 28 - 20 mm
14 mm 20 - 14 mm
10 mm 14 - 10 mm
6.3 mm 10 - 6.3 mm
P 6.3 mm  
M1 = Total Mass of Sample  
M2 = Total Mass of Fraction > 5% of M1
M3 = Total Mass of Fraction passing Flakiness Sieve/Guage*
Flakiness Index = (M3 * 100)/M2
 
Comments
 
  Operator Checked Approved