Laboratory Test Sheet
Particle size distribution (sieving)
BS 1377 : Part 2 : 1990
BS 1377 : Part 2 : 1990
Particle size distribution (sieving)
Location
Job ref.
Borehole/Pit no.
Soil desc
ription
Sample No.
Depth
m
Test method
BS1377: Part 2:
1990: 9.2/9.3/9.4
Date
Initial dry mass
m1 g
Initial Riffle Facor
Mass retained g
Percentage
Cumulative
BS test sieve
actual
corrected
retained
percentage
m
(m/m1)*100
passing
75 mm
63 mm
50 mm
37.5 mm
28 mm
20 mm
Passing 20 mm
m2
Total
(Check with m1)
riffled
m3
riffled and washed
m4
Correction factor
(m2/m3)
14 mm
10 mm
6.3 mm
Passing 6.3 mm
m5
Total
(Check with m4)
riffled
m6
Correction factor
(m2 / m3) * ( m5 / m6)
5 mm
3.35 mm
2 mm
1.18 mm
600 um
425 um
300 um
212 um
150 um
63 um
Passing 63 um
mf or me
Total (check with m6)
*Delete as appropriate
Operator
Checked
Approved
Form 2M