Geology Reference
In-Depth Information
Soils Testing Laboratory
California Bearing Ratio Test
18
SR 2128
Sample No.
Project No.
Indian Trail, N.C.
5
Location
Boring No.
3 ft
5/26/08
Depth of Sample
Date of Test
Brown silty clay
Description of Soil
John Doe
Tested by
Method Used for Preparation and Compaction of Specimen ASTM D 698, Method D
[A] Moisture Content Determination
Average
Top 1-in.
Moisture
Layer
Content
Before
After
after
after
Compaction
Compaction
Soaking
Soaking
Can no.
1-A
1-B
1-C
1-D
Mass of wet soil
can (g)
315.94
326.01
304.71
356.37
Mass of dry soil
can (g)
273.69
283.37
261.53
305.82
Mass of can (g)
45.23
47.82
43.44
46.59
Mass of water (g)
42.25
42.64
43.18
50.55
Mass of dry soil (g)
228.46
235.55
218.09
259.23
Moisture content (%)
18.5
18.1
19.8
19.5
18.3
Average moisture content before soaking
%
19.5
Average moisture content after soaking
%
Before
After
[B] Unit Weight Determination
Soaking
Soaking
9,020.90
9,036.81
(1)
Mass of mold compacted soil specimen (g)
4,167.50
4,167.50
(2)
Mass of mold (g)
(3)
Mass of compacted soil specimen (g)
[(3) (1) (2)]
4,853.40
4,869.31
6.00
6.00
(4)
Diameter of mold (in.)
Area of soil specimen (in. 2 )
28.27
28.27
(5)
5.00
5.00
(6)
Height of soil specimen (in.)
Volume of soil specimen (in. 3 ) [(7) (5) (6)]
141.35
141.35
(7)
(3)
453.6
1728
(7)
Wet unit weight (lb/ft 3 )
130.8
131.2
(8)
(8)
18.3
19.5
(9)
Moisture content (%) (from part [A])
(8)
(9) 100
Dry unit weight (lb/ft 3 )
110.6
109.8
(10)
(10)
100
407
 
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