Geology Reference
In-Depth Information
Figure 22-5
Shear Diagram for Triaxial Compression Test
NUMERICAL
EXAMPLE
An unconsolidated undrained triaxial compression test was performed
on a soil specimen in the laboratory according to the procedure
described. The following data were obtained:
[A] Specimen Data
Diameter of specimen,
D
0
2.50 in.
Initial height of specimen,
H
0
5.82 in.
Mass of specimen
920.20 g
Water content data:
Mass of wet soil plus can
939.92 g
Mass of dry soil plus can
811.07 g
48.62 g
The specific gravity of the soil is known to be
2.78
Mass of can
[B] Triaxial Compression Data
Chamber pressure on test specimen,
σ
3
10.0 psi
Rate of axial strain
0.02 in./min
Proving ring calibration
6,000 lb/in.
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