Geology Reference
In-Depth Information
Soils Testing Laboratory
Consolidated Undrained (CU)
Triaxial Compression Test
Sample No.
Project No.
Location
Boring No.
Depth
Date of Test
Description of Soil
Tested by
[A] Specimen Data
(before consolidation) (Specimen no.
)
(1)
Type of test performed
(2)
Type of specimen (check one)
□
Undisturbed
□
Remolded
(3)
Diameter of specimen, D
0
in.
in.
2
(4)
Initial area of specimen, A
0
(5)
Initial height of specimen, H
0
in.
i.e.,
(5)
(3)
(6)
Height-to-diameter ratio
in.
3
(7)
Volume of specimen, V
0
[i.e., (4)
(5)]
(8)
Mass of specimen
g
i.e.,
(8)
1,728
(7)
lb/ft
3
(9)
Wet unit weight of specimen
453.6
(10)
Water content of specimen
%
(a)
Can no.
(b)
Mass of wet soil can
g
(c)
Mass of dry soil can
g
(d)
Mass of can
g
(e)
Mass of water [i.e., (b) (c)]
g
(f)
Mass of dry soil [i.e., (c) (d)]
g
i.e.,
(e)
(f)
(g)
Water content
B
* 100
R
%
(9)
(10) + 100
* 100
lb/ft
3
(11)
Dry unit weight of specimen
B
i.e.,
R
[B] Specimen Data
(after consolidation)
(1)
Chamber consolidation pressure
psi
(2)
Volume of water extruded from specimen during consolidation [i.e., volume of
water accrued in burette], V
cm
3
or
in.
3
in.
3
(3)
Volume of specimen after consolidation, V
c
[i.e., V
0
V ]
Area of specimen after consolidation, A
c
[i.e., A
0
(V
c
/V
0
)
2/3
]
in.
2
(4)
Height of specimen after consolidation, H
c
[i.e., H
0
(V
c
/V
0
)
1/3
]
(5)
in.
369
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