Laboratory Test Sheet
Insitu Californian Bearing Ratio - BS 1377 : Part 5 : 1990
Insitu Californian Bearing Ratio
Location
Job ref.
Test no.
Soil description
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
Sample no.
Aggregates
Clays
Rocks
Silts
Peats
Soils
Date
Group/Type
Date Form
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
Test Method
BS 1377 : Part 9 : 1990 :
4.3
NOTE: Test applicable only when maximum particle size beneath plunger does not exceed 20 mm
Area of annulus of disc used
mm2
Jack/load ring no.
Mass of surcharge
kg
Calibration ref.
RECORDINGS
Moisture content of sample
NOTE : Penetration and force reading after seating load zeroed.
Penetration
Force on
Mean Calibration
N/Division
of plunger
plunger
mm
Load
kN
gauge
0.25
0.5
0.75
1
1.25
1.5
1.75
2
2.25
2.5
2.75
3
3.25
3.5
3.75
4
4.25
4.5
4.75
5
5.25
5.5
5.75
6
6.25
6.5
6.75
7
7.25
7.5
RESULTS
Penetration
Force
Standard
CBR
force
mm
kN
kN
%
2.5
13.2
5.0
20.0
In-situ CBR value
Operator
Checked
Approved
Form 9F