Laboratory Test Sheet
ELONGATION INDEX DETERMINATION BS 812 : PART 105.2 : 1989
Client
Lab Ref.
Client Ref.
Job No.
Supplier
Source
Location
Date
Material Type
Type 1 General Granular Materials
Type 2 General Cohesive Materials
Type 3 General Chalk Materials
Type 4 - Landscape Fill
Type 5 - Top Soil
Type 6 - Selected Granular Fill
Type 7 - Selected Cohesive Fill
Type 8 - Miscellaneous Materials
Type 9 - Stabilized Materials
Others
Date Format
Default - mm/dd/yy
ISO 8601 - yy-mm-dd
Short - d M, y
Medium - d MM, y
Full - DD, d MM, yy
With text - 'day' d 'of' MM 'in the year' yy
Material Name
Aggregates
Clays
Rocks
Silts
Peats
Soils
Specification
Aggregate Type
Sieve Analysis Data
Elongation 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 Elongation Sieve/Guage*
Flakiness Index = (M3 * 100)/M2
Comments
Operator
Checked
Approved