Laboratory testing of soils - The Mechanics of Soils and Foundations - page 103

Figure 7.13 Results of drained and undrained triaxial tests - Examples 7.3 and 7.4.

Table 7.4 Results undrained triaxial test - Example 7.4

q (kPa) p (kPa)

Axial force
F a (N)

Change of length
L (mm)

Pore pressure
(kPa)

ε s

0 0 100 0 0 200

58 − 1.95 165 0.026 50 152

96

− 4.29

200 0.056 80 127

124 − 9.36 224 0.123 96 108

136 − 14.04 232 0.185 98 101

148 − 19.50 232 0.257 97 100

Table 7.5 Loading in stress path tests - Example 7.5

q 0 p 0 q e p e

Sample

σ a σ r

d σ a / dt d σ r / dt Drainage

σ ae σ re

(kPa) (kPa) (kPa/h) (kPa/h) (kPa) (kPa) (kPa) (kPa) (kPa) (kPa)

A 200 200 10 0 Drained 300 200 0 200 100 233

B 200 200 − 10 0 Undrained 100 200 0 200 − 100 200

C 250 175

− 10 − 10

Drained 150 75 75 200 75 100

D 250 175 0 − 10 Drained 250 75 75 200 175 133