Geology Reference
In-Depth Information
With these data known, calculations proceed as follows:
Calibration Data
[A] Determination of Bulk Density of Sand
Volume of container:
V 1 GT
(14-1)
G 4,921 2,782 2,139 g
T 1.00268
from Table 14—2 for a temperature of 24 o C
1
2
V 1
1
2,139
21
1.00268
2
2,145 mL
Bulk density of sand:
M 1
V 1
(14-2)
r 1
M 1 6,139 2,782 3,357 g
V 1 2,145 mL
3,357
2,145
1.565 g
>
mL
r 1
62.43 r 1
(14-3)
g 1
62.43
1.565
97.7 lb
ft 3
g 1
1
21
2
>
[B] Determination of Mass of Sand Required
to Fill Funnel and Base Plate (M 7 )
M 7 8,045 6,378 1,667 g
Determination of Density and Unit Weight of Soil in Place
[A] Moisture Content of Material from Test Hole
M 2
M 3
w
100
(14-4)
M 3
M 2
295 . 6
42 . 6
253.0 g
M 3
250 . 7
42 . 6
208.1 g
253.0
208.1
208.1
w
100 21.6%
[B] In-Place Density and Unit Weight
M 4
M 5
(14-5)
1
0.01
21
w 100
2
M 4 2,669 815 1,854 g
 
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