.
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
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			%