DETERMINATION OF CORE DENSITY
Scheme
Date
Equipment Check
Description
28mm HRA Roadbase
Operator
Calibration Check
Test No: 613
Sample No.
Sieve Check
Lab Number
36554
36556
36558
Core Sample No.
1a
2a
3a
Diameter of Core
(mm)
152.0
152.0
152.0
3036.3
Depth of Core
(mm)
1001.1
967.9
Depth of Specimen
(mm)
115.0
118.0
148.0
.
2090.2
1975.5
2068.4
Mass of Dry Core In Air
W1
(g)
4636.2
5212.7
6491.2
.
2047.2
1934.8
2025.8
Max of Waxed Core in Air
W2
4683.1
5251.7
6552.9
.
63
64
65
Mass of Waxed Core in Water
W4
(g)
1992.4
2239.9
2759.8
.
2364.1
2248.9
2341.9
Density of Wax
S5
Mg/m3
0.9
0.9
0.9
2173.3
2046.4
2133.0
Density of Core
D
(g)
2.392
2.375
2.414
273.9
273.8
273.3
Theoretical Density
T
(g)
2.4
2.4
2.4
190.8
202.5
208.9
Air Voids
(%)
1.4
1.4
1.4
1899.4
1772.6
1859.7
10.0
11.4
11.2
1860.3
1736.5
1821.2
Condition of Sample
Averages:
Signed: