Geology Reference
In-Depth Information
Soils Testing Laboratory
Specific Gravity Determination
Sample No.
15
Project No.
SR 2828
Boring No.
B-21
Location
Newell, N.C.
Depth
3 ft
Description of Sample
Reddish brown silty clay
Tested by
John Doe
Date
1/26/08
Trial No.:
1
2
Mass of dish coated with petroleum jelly
wet soil, M
w
(g)
38.51
Mass of dish coated with petroleum jelly
oven-dried
soil, M
D
(g)
32.81
Mass of dish coated with petroleum jelly (i.e., empty
coated dish), M
T
(g)
11.30
Mass of wet soil pat, M (g)
27.21
Mass of oven-dried soil pat, M
o
(g)
21.51
Mass of water in wet soil pat, (g)
5.70
Water content of soil when placed in dish, w(%)
26.5
Volume of wet soil pat (i.e., volume of dish), V(cm
3
)
15.26
Volume of oven-dried soil pat, V
o
(cm
3
)
12.83
1
V
V
o
2
ρ
w
c
d
15.2
Shrinkage limit, SL(%)
w
100
M
o
M
o
V
o
ρ
w
R
1.68
Shrinkage ratio,
Note:
ρ
w
1.0 g/cm
3
111
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